EP4168864A1 - Technik zum verarbeiten und austauschen von feldsignalen - Google Patents
Technik zum verarbeiten und austauschen von feldsignalenInfo
- Publication number
- EP4168864A1 EP4168864A1 EP21732321.1A EP21732321A EP4168864A1 EP 4168864 A1 EP4168864 A1 EP 4168864A1 EP 21732321 A EP21732321 A EP 21732321A EP 4168864 A1 EP4168864 A1 EP 4168864A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- control
- connection
- control system
- field
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Program control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/041—Function-oriented details
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Program-control systems
- G05B19/02—Program-control systems electric
- G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Definitions
- the invention relates to a technique for processing and exchanging field signals.
- a field control system for processing and exchanging electrical signals a processing component for processing electrical signals exchanged between at least one field device and a control component for exchanging electrical signals, and a control component for exchanging the electrical signals are provided.
- Plants for processing oil and gas are exemplary examples.
- the field devices include, for example, sensors and actuators.
- the sensors transmit input signals, which represent the status of process variables, to the controller.
- the actuators receive output signals from the controller and take measures to influence the process variables.
- the document US 9,971, 727 B2 discloses a universal interconnection system for processing input and output signals of a field device between the field device and a process controller.
- the interconnection system includes a base unit and a signal processing unit.
- the signal processing unit is plugged onto the base unit and processes the signals exchanged between the field device and the process controller.
- this interconnection system requires technology for signal processing that is adapted to the interconnection system and technology for process control that is adapted to the interconnection system. Furthermore, changing the plug-on signal processing unit may require the process control to be adapted.
- the signal processing must be connected to input and / or output channels (short: I / O ports) of the process control, which are used for the function of the signal processing fit.
- I / O ports input and / or output channels
- UIO cards universal I / O cards
- these UIO cards require additional installation space, are a possible cause of set-up errors and functional failures of the system, and increase the set-up time and the set-up costs.
- the invention is therefore based on the object of providing a more compact technology for processing and exchanging field signals, which simplifies the establishment and conversion.
- a more specific or alternative task is to enable the signal processing to be changed without having to change the hardware of the process control.
- a first aspect relates to a field control system which comprises a control component which is designed to exchange electrical signals with at least one field device. Furthermore, the field control system comprises a processing component which is designed to process the electrical signals exchanged between the at least one field device and the control component.
- the processing component and the control component are mechanically connected or connectable and connected or connectable in an electrically conductive manner. In the connected state, the electrical signals are interchangeable between the at least one field device and a control system connected to the field control system by means of the processing component and the control component.
- exemplary embodiments can dispense with UIO cards.
- These or other exemplary embodiments can include a control component that is designed to provide input and / or output channels (I / O ports for short) that are connected to the function via the electrical connection to the processing component, for example a bus coupler are adapted or adaptable to the processing component.
- the control component can be designed to provide I / O ports for exchanging the electrical signals via the electrically conductive connection as a function of the function of the processing component.
- the control component can preferably be designed to set a communication direction (for example for input signals or for output signals) and / or a signal form (for example for analog signals or for coded or logical or digital signals) for exchanging the electrical signals via the electrically conductive connection Processing component to adapt to the function of the processing component.
- a communication direction for example for input signals or for output signals
- a signal form for example for analog signals or for coded or logical or digital signals
- control component is designed to provide at least one adaptable I / O port and / or at least one adaptable communication direction and / or at least one adaptable signal form for the electrically conductive connection with the processing component
- embodiments enable a more compact field control system for processing and exchanging the electrical signals.
- UIO cards When setting up or upgrading such a field control system, there is no need to use UIO cards.
- These or further exemplary embodiments can enable the signal processing to be changed without changes to the hardware of the control component being necessary.
- the field control system can be designed, for example, as a housing that is designed to accommodate the processing component and / or the control component. Furthermore, the housing can be designed to be arranged within a subrack, for example a rack or a control cabinet. Furthermore, the housing can be designed to be arranged outside of a subrack, for example a rack or a control cabinet.
- the electrical signals can be, for example, digital and / or analog electrical signals. Furthermore, the electrical signals can be input and / or output signals, for example. Furthermore, for example, the electrical signals can be electrical logic signals.
- the processing component can also be referred to as a signal processing unit.
- the control component can be designed to carry out process control.
- the control component can be designed to the to detect and / or process electrical signals from the at least one field device (for example a sensor).
- the recorded and / or processed signals can be input signals which indicate the status of process variables.
- the control component can be designed to send the electrical signals to the at least one field device (for example an actuator).
- the signals sent can be output signals that control or regulate the process variables.
- the actuators can be designed to receive the output signals from the control component and to take measures to influence the process variables.
- the electrical signals can include one or more values (for example an actual value in the input signal or a setpoint value in the output signal) and / or can be used to transmit one or more values.
- the values can relate to process variables.
- the at least one field device can include an actuator and / or a sensor.
- the actuator can for example comprise an actuator or a valve.
- the sensor can for example comprise a measuring transducer.
- the control component can use the exchanged electrical signals to monitor or control (preferably regulate) a process, in particular an automation process or a technical system.
- the at least one field device can be part of a (for example manufacturing or process engineering) plant and / or a technical device in the field of automation technology, for example it can be used or can be used in an automation process.
- the at least one field device can be arranged remotely from the field control system.
- the at least one field device can be remotely controlled by means of the electrical signals from the field control system.
- the at least one field device can be connected to the processing component in an electrically conductive manner by means of a field bus.
- one channel of the processing component can be electrically conductively connected to one of the at least one field device.
- the processing component can, for example, comprise an isolating amplifier or a relay for each channel.
- the processing component can send the electrical signals to the at least one field device and / or receive them from the at least one field device.
- the control component can send the electrical signals to the control system and / or receive them from the control system.
- the electrical signals can include status information or control signals.
- the control component can be designed to control, preferably regulate, the at least one field device.
- the control component can be designed to send control signals to the at least one field device by means of the electrical signals and / or to receive information from the field device by means of the electrical signals.
- the control component can be designed to be controlled by means of signals received from the control system and / or to send information from the at least one field device to the control system by means of the electrical signals.
- the control component can also be designed to control (preferably regulate) the at least one field device (for example in accordance with the control system). Alternatively or additionally, the control component can be designed to control (preferably regulate) the at least one field device independently of the control system, for example for a first period of time.
- control system can be designed to control and / or regulate the processing component and / or the at least one field device.
- the control component and the control system can hierarchically control the at least one field device.
- the control component can be designed to control the at least one field device (for example its process variables) in real time and / or to control it autonomously or independently of the control system over a first period of time.
- the control system can be designed to control the control component, for example to control process parameters of the control component.
- the control system can specify the process parameters for a second period of time which is greater than the first period of time.
- the connected state can relate to the processing component and the control component.
- the processing component and the control component can be mechanically connected irreversibly and / or by means of a common housing.
- the electrically conductive connection and / or the mechanical connection can be irreversibly or non-destructively detachable.
- the processing component and the control component can be connected to one another in an electrically conductive and mechanical manner in a common housing of the field control system.
- the control component can exchange the electrical signals between the at least one field device and the control system in that the control component sends individual or aggregated or all signals from the at least one field device to the control system.
- the control component can exchange the electrical signals between the at least one field device and the control system by the control component receiving process parameters or setpoints for control variables from the control system and controlling or regulating the at least one field device in accordance with the received process parameters or setpoints.
- the regulation can include recording actual values for the controlled variables in the electrical signals (preferably processed by the processing component) from the at least one field device and / or sending control values or control instructions for the controlled variables in the (preferably to be processed by the processing component) include electrical signals to the at least one field device.
- the control values or control instructions can depend on a deviation, preferably a difference, between the setpoints and the actual values.
- the processing component and the control component can also be designed to transmit status information of the processing component to the control component.
- the status information can include, for example, information about a functional scope (in short: a function), an operating state, in particular an error state, and / or identifiers of the control component and / or the processing component.
- the status information of the processing component can include or specify a functional scope (for short: a function) of the processing of the electrical signals carried out by the processing component (for example by means of a function identifier of the function).
- the status information can specify or determine a communication protocol and / or an interface and / or a signal form for exchanging the electrical signals between the processing component and the control component.
- the processing component and the control component can each comprise a control component connection or a processing component connection.
- the control component connection and the processing component connection can be designed to connect the processing component and the control component to one another in an electrically conductive manner, preferably also mechanically, in the connected state.
- the control component connection and the processing component connection can each comprise a connector half.
- Each of the connector halves can have a plug, a contact strip or one or more plug contacts.
- the connector half can be designed for mechanical connection and for electrically conductive connection.
- the field control system may further comprise a housing for mechanically connecting the control component and the processing component.
- the housing for example the control component bay and the processing component bay of the housing, can define or arrange the processing component and the control component relative to one another.
- the mechanical connection can be implemented by means of a control component slot in the housing, which is designed to accommodate the control component, and a processing component slot in the housing, which is designed to accommodate the processing component.
- the field control system can comprise a field control system interface, for example a bus coupler.
- the field control system interface can be designed to control the control component and the processing component Components in the connected state (for example, in the directly connected state or in the state received in the respective shaft) to be connected to one another in an electrically conductive manner.
- the field control system interface can be integrated into the housing.
- a socket in the processing component slot can be connected in an electrically conductive manner to a socket in the control component slot.
- the socket in the processing component slot can be electrically conductively connected to the control component connection when the processing component is in the received state.
- the socket in the control component slot can be electrically conductively connected to the processing component connection when the control component is in the received state.
- the respective socket of the control component slot and / or of the processing component slot can be designed for the electrically conductive and mechanical connection of the control component or the processing component.
- the field control system may include one or more control component bays and / or one or more processing component bays.
- the field control system can be of modular design with the control component received in the control component slot and the processing component received in the processing component slot.
- the field control system interface can, for example, comprise an electrically conductive signal bus (for example a serial data bus) which connects the processing component to the control component in an electrically conductive manner.
- the field control system interface can be designed to exchange the electrical signals between the one or more processing components and the one or more control components.
- the field control system can further comprise a supply component.
- the supply component can be designed to supply the field control system, the control component, and / or the processing component with electrical energy.
- the supply component can comprise at least one supply connection for receiving the electrical energy.
- the processing component can do this be designed to conduct the electrical energy consumed to a slot of the processing component and / or to the control component.
- the supply connection can be formed for connecting an electrical energy source.
- the electrical energy source can comprise a power grid, a battery and / or a voltage source / current source.
- the supply component can be designed to convert, rectify and / or smooth a voltage.
- the supply component can have two or more supply connections.
- the supply component can be designed to receive the electrical energy optionally from a first supply connection of the two or more supply connections and from a second supply connection of the two or more supply connections.
- the optional absorption of the electrical energy from the two or more supply connections can ensure a redundant supply of the field control system, preferably the control component and / or the processing component, with the electrical energy.
- the supply component can also be designed to transmit status information of the supply component to the field control system, preferably to the control component.
- the control component can be designed to control the supply component depending on the status information.
- the status information of the supply component can indicate a functional scope (short: function) of the supply component.
- the status information of the supply component can include a status of the at least one supply connection or each of the supply connections.
- the status information can indicate which supply connection is used to take up the electrical energy and / or which voltage is applied to the or each supply connection and / or which current is taken up at the or each supply connection.
- the status information can include an operating state of the supply component and / or an error state of the supply component and / or an identifier of the supply component. Furthermore can io the status information includes further information on the supply component, such as information on the electrical energy output, on configurations and / or on the hardware installed in the supply component.
- a second aspect relates to a processing component for forming a field control system, preferably according to the first aspect, and / or for processing electrical signals exchanged between the at least one field device and the control component.
- the processing component comprises at least one field device connection which is designed for electrically conductive connection to the at least one field device outside of the field control system.
- the processing component comprises a control component connection which is designed for electrically conductive connection to the control component within the field control system.
- the processing component is designed to process the electrical signals exchanged between the at least one field device connection and the control component connection.
- the processing component may further comprise any feature disclosed in the context of the first aspect or the field control system, or a corresponding feature.
- the control component connection can comprise a connector half, preferably a plug contact or a contact strip.
- the processing component can include an external control component connection, which is used for electrically conductive connection to an external control module, for example a programmable logic controller (PLC) and / or a control system, preferably a process control system (PLS, also: "Distributed Control System”) or DOS), is designed outside of the field control system.
- the processing component can be designed to transmit the electrical signals between the at least one field device connection and the control component connection and / or the external control component connection.
- the external control module can provide or enable a control function that is redundant with respect to the control component.
- the formation of the field control system can comprise the electrically conductive and mechanical connection of the processing component to the control component.
- the processing component can be connected or connectable directly to the control component in an electrically conductive and mechanical manner.
- the processing component with the control component can or can be accommodated in a housing.
- control component connection can also be designed for mechanical connection to the control component within the field control system.
- processing component can have a housing which is designed to be mechanically connected to the control component and / or to accommodate the control component.
- the processing component can further comprise at least one slot.
- the or each slot can be designed to connect a signal processing module to the processing component in an electrically conductive and mechanical manner.
- the or each slot can, for example, comprise a connector half, for example a contact strip socket.
- the slot can comprise a field-side portion in which the processing component is connected in an electrically conductive manner to the field device connection.
- the slot can comprise a control-side portion in which the processing component is connected to the control component connection in an electrically conductive manner.
- the processing component can comprise at least one signal processing module which is plugged or can be plugged into the at least one slot.
- the or each signal processing module can be detachably plugged or plugged into the slot.
- the or each signal processing module can comprise a connector half, preferably a contact strip connector, for the electrically conductive connection to the slot.
- the connector half on the signal processing module can comprise a field-side portion which, when plugged in, is electrically conductively connected to the field-side portion of the slot.
- the connector half on the signal processing module can comprise a control-side portion which, when plugged in, is electrically conductively connected to the control-side portion of the slot.
- the or each signal processing module can be designed to process the electrical signals exchanged between the at least one field device connection and the control component connection and / or the external control component connection.
- each slot can be assigned to a field device or a channel for exchanging the electrical signals with the at least one field device.
- the or each signal processing module can process the electrical signals exchanged via the assigned channel or with the assigned field device.
- the processing component can also be designed to provide status information of the processing component, preferably status information of the at least one signal processing module, at the control component connection and / or at the external control component connection.
- the or each signal processing module can transmit its functional scope (briefly: function) of processing the exchanged signals as status information of the processing component to the control component.
- the processing of the electrical signals can include, for example, converting (for example scanning, digitizing or amplifying) and / or evaluating (for example discretizing) the electrical signals.
- the or each signal processing module according to the function can be a signal input and / or signal output for the at least one or assigned field device.
- the function can be configured or configurable, for example from the control component.
- the or each signal processing module can transmit the electrical signals between the at least one field device and the control component.
- the processing component can be designed to send the functional scope to the status information of the signal processing module that provides it.
- the status information indicating the scope of functions can be sent (preferably to the control component) in response to the electrically conductive connection (for example of the signal processing module with a corresponding slot) and / or in response to the electrically conductive connection of the processing component to the control component and / or in response to a request for the scope of functions received from the control component (for example wirelessly or via the slot).
- the processing component for example the or each signal processing module
- the signal processing module can, according to the functional scope, include a digital input (Dl), a digital output (DO), an analog input (AI) and / or an analog output (AO), preferably on the field-side portion of the connector half on the signal processing module or the Slot.
- the DI can be an input for acquiring and / or processing digital electrical signals.
- the DO can be an output for processing and / or outputting digital electrical signals.
- the AI can be an input for acquiring and / or processing analog electrical signals.
- the AO can be an output for processing and / or outputting analog electrical signals.
- the functional scope of the signal processing module can include at least one of the following signal processing operations.
- a first signal processing comprises converting an electrical signal detected from the field-side portion of the slot to a D1 of the control component that is electrically connected through the control-side portion of the slot.
- a second signal processing comprises converting an electrical signal detected by a DO of the control component through the control-side portion of the slot to the field-side portion of the slot.
- a third signal processing includes converting an electrical signal detected from the field-side portion of the slot to an AI of the control component that is electrically conductively connected through the control-side portion of the slot.
- a fourth signal processing includes converting an electrical signal detected by an AO of the control component through the control-side portion of the slot to the field-side portion of the slot.
- a fifth signal processing includes providing a digital DI for at least one field device on the field-side portion of the slot, the DI being designed to detect the electrical signals of the at least one field device.
- a sixth signal processing includes providing a DO for the at least one field device at the field-side portion of the slot, the DO being designed to output the electrical signals to the at least one field device.
- a seventh signal processing includes providing an AI on the field-side portion of the slot for the at least one field device, the AI being designed to detect the electrical signals of the at least one field device.
- An eighth signal processing includes providing an AO on the field-side portion of the slot for the at least one field device, the AO being designed to output the electrical signals to the at least one field device.
- the scope of functions can include at least two alternative states of the signal processing of the signal processing module.
- the processing component for example the or each signal processing module
- the processing component can be designed to receive control signals from the control component via the control component connection.
- the control signals can specify a state of the alternative states.
- the processing component can also be designed to accept the predetermined state of the signal processing.
- the or each signal processing module may comprise a converter for the electrical signals.
- analog or digital electrical signals can be converted.
- the converter can be an analog-to-digital converter or a digital-to-analog converter.
- a third aspect relates to a control component for forming a field control system according to the first aspect and / or for electrically conductive and mechanical connection to a processing component according to the second aspect.
- the control component comprises a control module, preferably a programmable logic controller (PLC), which is designed to exchange the electrical signals with the at least one field device.
- PLC programmable logic controller
- the control component comprises at least one configurable connection module and a processing component connection, which are designed to connect the control module with the processing component for exchanging the electrical signals via the configurable connection module in an electrically conductive manner.
- the control component further comprises at least one system connection via which the control module is connected or can be connected to a control system in an electrically conductive manner. When connected, the electrical signals can be exchanged with the control system.
- the control module can comprise a programmable logic controller (PLC) and / or a control system, preferably a process control system (PLS, also: “Distributed Control System” or DCS).
- PLC programmable logic controller
- PLS process control system
- the control component can be mechanically connected or connectable to the processing component by means of the processing component connection.
- the control component can have a housing which is or can be connected to the processing component and / or in which the processing component is received or can be received.
- the control module can also be designed to control the at least one field device, preferably in accordance with the control system.
- the control component can be electrically conductive and mechanically connected or connectable to the processing component by means of the processing component connection, preferably in front of a connector half. In the connected state, the electrical signals between the at least one field device and the control system can be exchangeable by means of the processing component and the control component.
- the processing component connection can be designed for an electrically conductive connection to the processing component via the field control system interface and / or directly to the control component connection of the processing component.
- the processing component can process the electrical signals exchanged between the at least one field device and the control component, for example converting their signal form, preferably for controlling the field devices and / or for forwarding the processed signals to the control system.
- the at least one configurable connection module can comprise at least one connection line or a connection contact of the processing component connection.
- the or each configurable connection module can provide an input and / or output channel (I / O port for short) for the control component at the processing component connection.
- the input and / or output channel (I / O port) provided by the configurable connection module can also be referred to as a configurable input and / or output channel (configurable I / O port).
- the at least one configurable connection module can be designed to selectively detect or output the electrical signals (for example the electrical signals either to capture or output).
- the at least one configurable connection module can be designed to send analog or digital electrical signals (for example either analog or analog) to the at least one connection line or the at least one connection contact of the processing component connection, depending on the configuration of the (or the respective) configurable connection module or digital electrical signals).
- analog or digital electrical signals for example either analog or analog
- connection line can be a connection line between the configurable connection module and the processing component connection, for example a conductor track.
- the connection contact can be a contact in the processing component connection.
- the configurable connection module can be designed to operate the at least one connection line of the processing component connection either as a signal input or as a signal output and / or to optionally process analog or digital signals on the at least one connection line of the processing component connection.
- the configuration of the configurable The connection module (e.g., a mode of the configurable connection module) can determine whether the electrical signals are either detected or output and / or whether the electrical signals are analog or digital.
- the control module can furthermore be designed to control (for example determine) the configuration (for example the mode) of the connection module.
- the control module can also be designed to change the configuration of the configurable connection module in response to the detected status information of the processing component.
- the configuration of the configurable connection module can be adapted to the function of the signal processing module that is connected to the control module via the configurable connection module.
- the control component and / or the control system determine whether a (for example functionally) correct or sufficient signal processing module is available and / or whether the signal processing module is plugged into the correct slot.
- control component and / or the control system when changing or expanding a process controlled by the control component and / or the control system (which is implemented using the at least one field device, for example), it can be determined whether this process can be carried out using the functions of the signal processing module according to the scope of functions.
- control component and / or the control system can check a sequence control of the process step-by-step to the effect that a function required in each step is included in the specified scope of functions.
- the (preferably processed) electrical signals from the processing component can be sent to the control system by means of the control component.
- AI- the electrical signals (preferably to be processed) can be received by the control system by means of the control component and passed to the processing component.
- the control component can be designed to control and / or regulate the at least one field device, for example in accordance with an automation process.
- the control component can read out status information from the at least one field device and / or send control signals to the at least one field device.
- the control component for example the control module, can comprise a processor and a memory that can be read by the processor and in which a control or user program is encoded, and when it is executed the processor reads out the status information and / or sends control commands.
- the control component can be activated and / or read from a further control component (for example the external control component) and / or a control room (for example the control system).
- the control room can comprise a further control component which can be designed to control and / or read out the control component of the field control system.
- the reading out can include reading out the exchanged electrical signals and / or status information of the signal processing modules.
- the control module can be designed to record and / or evaluate and / or process the status information and / or transmit it to the control system.
- the control module can send status information from the control module (for example an operating state and / or an error status of the control module) to the system controller.
- the control component can comprise at least one serial or parallel interface that is connected to the connection module for exchanging the electrical signals (for example the control signals and / or the status information).
- the control component for example the control module
- the control module can comprise a serial or parallel interface which is designed to send the configuration to the connection module.
- the system connection can be a network connection.
- FIG. 1 shows a schematic block view of a first exemplary embodiment of a
- FIG. 2 shows a schematic block view of a second exemplary embodiment of the field control system, which can be implemented as a further development of the first exemplary embodiment with a plurality of slots;
- Fig. 3 is a schematic block view of a third embodiment of the
- FIG. 4 is a schematic sectional view of a fourth embodiment of the field control system
- Fig. 5 is a schematic block view of a fifth embodiment of the
- FIG. 6 shows a schematic block view of a plurality of field control systems that are electrically conductively connected to one another according to one of the exemplary embodiments.
- the field control system 100 comprises a control component 130 which is designed to exchange electrical signals with a field device 140. Furthermore, the field control system 100 comprises a processing component 120, which is designed to be used between the field device 140 and the control component. nente 130 to process exchanged electrical signals.
- the processing component 120 and the control component 130 are mechanically and electrically connected or connectable. In the connected state, the electrical signals are preferably exchangeable between the field device 140 and a control system 150 by means of the processing component 120 and the control component 130.
- the control component 130 is designed to control the field device 140 in accordance with the control system 150.
- the processing component 120 and / or the control component 130 are preferably also designed to send and / or receive status information alternately.
- the processing component 120 and the control component 130 each have a processing component connection 128 (for example a connector half) and a control component connection 132 (for example a connector half), which are designed to electrically, and preferably mechanically, the processing component 120 and the control component 130 when connected to one another , connect to.
- a processing component connection 128 for example a connector half
- a control component connection 132 for example a connector half
- the field control system 100 preferably comprises a housing 101 in which the control component 130 and the processing component 120 are arranged.
- the housing 101 optionally has a control component slot which is designed to accommodate the control component 130 and the processing component 120. Furthermore, the housing 101 has a processing component slot which is designed to accommodate the processing component 120.
- the housing 101 comprises a field control system interface 102, which is designed to electrically connect the control component 130 and the processing component 120, preferably via the control component connection 128 and the processing component connection 132.
- the processing component 120 comprises a field device connection 122, which is designed for an electrically conductive connection to the field device 140.
- the Tax Com- Component connection 128 of processing component 120 is designed to establish the electrical connection to control component 130 within field control system 100.
- the processing component 120 preferably comprises an external control component connection 124, which is designed for an electrically conductive connection to an external control module 160, preferably a programmable logic controller (PLC), outside of the field control system 100.
- PLC programmable logic controller
- the processing component 120 is designed to transmit the electrical signals between the at least one field device connection 122 and the control component connection 128 and / or the external control component connection 124.
- the external control module 160 can, for example, comprise a programmable logic controller (PLC) and / or a control system, preferably a process control system (PLS, technically also: “Distributed Control System” or DCS).
- PLC programmable logic controller
- PLS process control system
- the control module 160 may be “external” in the sense that it is formed outside of the field control system 100.
- the processing component 120 comprises a slot 126 which is designed to connect a signal processing module 170 electrically and mechanically to the processing component 120.
- the signal processing module 170 is designed to process the electrical signals and / or to transmit the electrical signals between the field device connection 122 and the external control component connection 124.
- the slot 126 comprises a field-side portion which is electrically conductively connected to the field device connection, and a control-side portion which is electrically conductively connected to the control component connection 128.
- a connector half 172 on the signal processing module 170 which can be plugged into the slot 126, includes a control-side and a field-side part, which is connected in an electrically conductive manner to the control-side or field-side part of the slot 126 when plugged in.
- the processing component 120 is also designed to provide status information of the processing component 120 (for example the signal processing module 170) and / or of the field device 140 via the control component connection 128 and / or via the external control component connection 124.
- the control component 130 controls the field device 140 (for example in accordance with the control system 150) in that the electrical signals include control signals that are sent to the field device 140. If the field device 140 is regulated by the control component 130, the electrical signals can include feedback from the field device 140, for example actual values.
- the control component 130 comprises the processing component connection 132, a control module 134 (for example a PLC), a configurable connection module 136 and at least one system connection 138.
- the configurable connection module 136 is designed for an electrically conductive connection by means of the processing component connection 132 to the at least one processing component 120 is.
- the configurable connection module 136 is preferably designed for electrically conductive connection via the field control system interface 102.
- control module 134 can be connected to the control system 150 in an electrically conductive manner via the at least one system connection 138, for example an Ethernet connection and / or another industrial bus system.
- the electrically conductive connection can comprise one or more network switches (in technical terms: switches) between the system connection 138 and the control system 150.
- the configurable connection module 134 has at least one connection line which is designed to be configured as a signal input and / or signal output and / or is designed to process analog and / or digital electrical signals (for example, to acquire and / or output) .
- the control module 134 is designed to acquire status information of the field control system 100, the status information being evaluated and processed by the control module 134 and / or being transmitted to the control system 150. Each component or each module of the field control system 100 can provide the status information.
- the control component 130 can comprise a serial or parallel interface for exchanging the electrical signals between the control module 134 and the configurable connection module 136.
- a serial or parallel interface for exchanging the electrical signals between the control module 134 and the configurable connection module 136.
- the configuration of the configurable Connection module 136 determined or changed by the control module 134 via the serial or parallel interface.
- the control module 134 can receive the status information (for example together with the electrical signals or as the electrical signals) via the serial or parallel interface.
- the control module 134 can comprise a further interface (for example a further electrically conductive serial or parallel interface or a radio interface) which is designed to receive the status information.
- FIG. 1 shows a first exemplary embodiment of the field control system 100, in which the field control system 100 is formed from the housing 101.
- the housing 101 comprises the control component slot, which connects the control component 130 in an electrically conductive manner to the field control system 100 and arranges it mechanically on the housing 101.
- the housing also includes the processing component shaft, which connects the processing component 120 in an electrically conductive manner to the field control system 100 and arranges it mechanically on the housing 101.
- the first exemplary embodiment also shows that the field control system interface 102 is designed to electrically connect the control component 130 and the processing component 120 in the received state.
- FIG. 2 shows a schematic block view of a second exemplary embodiment of the field control system 100.
- the second exemplary embodiment can be implemented by itself or as a further development of the first exemplary embodiment with a plurality of slots.
- the processing component 120 comprises at least two slots 126, which are each designed to connect a signal processing module 170 electrically and mechanically to the processing component 120, for example to plug it in.
- Each of the connected signal processing modules 170 processes part of the electrical signals and / or transmits the part of the electrical signals between the at least one field device connection 122 and the control component connection 128 and / or the external control component connection 124.
- the signal processing module 170 is responsible for the electrical signals of another channel to at least one field device 140 or for the electrical signals of another field device 140.
- the slots 126 are preferably uniform.
- each of the signal processing modules 170 can be plugged into one of the slots 126.
- Different slots 126 (for example their field-side portion) can be connected in an electrically conductive manner to different field devices 140 via the field device connection 122.
- connection module 136 can provide at least two UIO ports according to its configuration.
- the control-side portion of different slots 126 can be electrically conductively connected to different U1O ports of the connection module 136, preferably via the control component connection 128.
- control module 134 changes the configuration of the respective UIO port of the connection module 136 so that it matches the function of the respective signal processing module 170 (for example with regard to communication direction and / or signal form).
- FIG. 3 shows a schematic block view of a third exemplary embodiment of the field control system 100.
- the third exemplary embodiment can be implemented by itself or as a further development or expansion of the first and / or second exemplary embodiment.
- the third exemplary embodiment of the field control system 100 comprises a supply component 202.
- the housing 101 has a supply component slot in which the supply component 202 is received or can be received.
- the supply component 202 supplies the field control system 100 (preferably the processing component 120 and / or each slot 126) with electrical energy.
- the supply component 202 can comprise an energy store and / or absorb the energy via an external supply connection 204.
- the supply component 202 can control the control component 130 via a supply line 208 and / or supply the processing component 120 with the electrical energy via a supply line 209.
- the supply component 202 preferably comprises a first supply connection 204.1 and a second supply connection 204.2 for supplying a slot 126 of the processing component 120 and the control component 130 with electrical energy by means of the supply component 202 first supply connection 204.1 and / or via the second supply connection 204.2.
- the supply component 202 is designed to provide status information of the supply component 202 to the field control system 100.
- the supply component 202 optionally includes a supply communication connection 206 which is designed to provide the status information outside of the field control system 100.
- the supply component 202 takes up the electrical energy at the first supply connection 204.1 via or from a first energy supply 210.1.
- the second supply connection 204.2 also receives the electrical energy via or from a second energy supply 210.2.
- the supply component 202 preferably takes up the electrical energy from the first energy supply 210.1 and switches to the second energy supply 210.2 in the event of a failure of the first energy supply 210.1.
- FIG. 4 shows a schematic sectional view of a fourth exemplary embodiment of the field control system 100, which can be implemented on its own or as a further development of any other exemplary embodiment.
- the field control system 100 can have a modular design, for example by means of components 120 and 130 detachably connected by means of the connections 128 and 132.
- a sandwich construction of the circuit boards of the control component 130, the processing component 120 and / or a supply component 202 (for example with supply line 208 to control component 130 and / or supply line 209 to processing component 120) in the housing 101 or be able to be arranged.
- FIG. 5 shows a fifth exemplary embodiment, which can be implemented on its own or as a further development of any other exemplary embodiment.
- the control component connection 128 of the field control system 100 is designed to electrically conduct and / or mechanically connect a first control component 130.1 and a second control component 130.2 with the field control system 100 (for example with the processing component 120 and preferably with the supply component 202) associate.
- the first control component 130.1 and the second control component 130.2 are optionally arranged outside the housing 101.
- Each of the first control component 130.1 and the second control component 130.2 can be an exemplary embodiment of the control component 130 described above, for example comprise at least one feature or all features of the control component 130.
- the field control system interface 102 is designed to connect the first control component 130.1 and the second control component 130.2 to the processing component 120 in an electrically conductive manner.
- the first control component 130.1 is optionally connected to a first control system 150.1 and the second control component 130.2 is connected in an electrically conductive manner to a second control system 150.2.
- FIG. 6 schematically shows an application example of one or more field control systems 100, each with a connection to at least one further field control system 100.
- Each field control system 100 can be implemented according to one of the exemplary embodiments; in particular, various exemplary embodiments of the field control system 100 can be combined in the application example being. For example, two, three (as exemplarily described below) or more field control systems 100 are combined.
- the control component 130 of a first field control system 100.1 has a field control system connection port 402.1, which is connected to a field control system connection port 402.2 of a second field control system 100.2 and a third field control system connection port 402.3 of a third field control system 100.3.
- the field control system connection port 402 can be a network port, for example an Ethernet port.
- the first field control system 100.1, the second field control system 100.2 and / or the third field control system 100.3 are designed according to one of the exemplary embodiments. Furthermore, the first field control system 100.1, the second field control system 100.2 and / or the third field control system 100.3 by means of the respective field control system connection 402 is designed to exchange or forward the electrical signals and / or electrical control signals to one another.
- the field control system 100 may provide a universal process bus 402 at the field control system connection port 402.
- the field control system 100 can always be installed or buildable with the same housing 101, for example as a uniform platform, in a switch cabinet (for example on a mounting rail.
- the field control system 100 can be referred to as Net-Base.
- Said Net-Base 100 can comprise active components which, among other things, comprise the control component 130 as a bus coupler. These bus couplers 130 can form the interface between the control system 150 as a higher-level controller and the signal processing modules 170 (for example so-called “input / out put accessory” or IOA in technical terms).
- the bus coupler 130 can include universal or configurable connection modules 136 with multiple I / O ports. This means that the corresponding I / O ports can be switched between the signal forms Dl, DO, AI and AO. The number of I / O ports can also be adjusted by adding additional Net-Base 100 at a later date.
- the Net-Base 100 can provide a voltage supply as a supply component 202.
- the connections 402 and / or 138 can provide a connection to an industrial data bus, for example a connection using wired Ethernet, glass fiber or radio technologies.
- over Data are transmitted to the industrial data bus in order to build up a big data structure, for example, so that field devices 100, for example systems, or entire process systems can be controlled more efficiently.
- process parameters can be read out by the control component 130, for example a PLC Next Controller, via the field control system interface 402 and / or the connections 132 and / or 128 and / or 102 and / or 124 as an internal interface and processed accordingly.
- the field control system interface 402 and / or the external control component connection 128 can enable the system operator to connect external control modules 160 to the Net-Base 100 with redundancy in accordance with his safety concepts.
- data from the field device 140 can be made available as the electrical signals to external control modules 160 and / or to the control component 130.
- the data can also be made available by a sensor system according to the application through a suitable IOA 170.
- the Net-Base 100 can save space compared to the prior art, lower installation costs, reduce the need for different components and / or lower the service and maintenance costs of the field control system. Furthermore, a planning and installation phase of a process system can be reduced, since the I / O ports ask for the greatest possible flexibility. The I / O ports can, for example, only be planned shortly before the installation of the field control system 100. Furthermore, the adaptation to the corresponding field signals (ie the electrical signals from the field device 140) can be carried out during commissioning of the Net-Base 100, the adaptation using a program of the control component 130, preferably a control or computer program, for example by means of software. A routing level known from the prior art can be omitted due to the configurability and / or the program.
- the housing 101 can have one or more universal (ie configurable) connection modules 136.
- the field control system 100 or its housing 101 can also be referred to as a base element (or in technical terms: “base element”).
- the base element 100 can have a modular design, whereby the use of one or more processing components 120, control components 130 and / or power supply components 202 is made possible, preferably by means of corresponding slots.
- the base element 100 can have one or more of the respective components.
- the base element can enable a configuration that is adapted to the area of application of the base element 100.
- the base element 100 or the housing 101 can have a uniform size and / or attachment points (for example for the mounting rail).
- the modular design in a sandwich construction of the necessary circuit boards of the control component 130, the processing component 120 and / or the supply component 202 can be carried out.
- the housing 101 and / or the respective components can have unique identifications, so that separate use is made possible, for example one of the components and / or the housing 101 can be used separately.
- the unique labeling can facilitate separate sales.
- the field control system 100 can have a redundant (preferably modular) voltage supply as the supply component 202, which supplies the supply component 202 with electrical energy via a plurality of supply connections 204.
- the plurality of supply connections 204 can be fed by different energy supplies 210 (for example voltage supplies).
- the supply component 202 can ensure that different voltage supplies are loaded equally. Alternatively or in addition, overvoltage and undervoltage detection can be ensured by the supply component 202, and optionally error messages in the event of overload or un- homely operating states of the supply component 202 who output, for example as the status information. These error messages can be transmitted via an interface 208 as a simple DO or a digital message as the status information, for example to the control component 130.
- the interface 208 can, for example, be designed for serial and / or parallel transmission and optionally for electrical supply, ie for supplying the control component 130 with electrical energy from the supply component 202 via the interface 208 of the supply component 202.
- the status can provide messages about the connected energy supply 210, for example power supplies.
- the presence of a power supply 210 or a plurality of power supplies 210 and / or their function can be indicated.
- differences in the power consumption or temperatures of the energy supplies 210 or a circuit of the supply component 202 can be provided as the status information.
- the supply voltages of the two voltage sources can be forwarded to the corresponding IOAs 170 and / or to the field devices 140 via the supply line 209 and / or the slot 126.
- the redundant power supply 202 can, among other things, be available in two expansion stages.
- a first expansion stage can include the monitoring of the two energy supplies 210, among other things.
- a second expansion stage in addition to the first expansion stage, can also be able to register changes in the energy consumption.
- the consumption of energy can also be used to generate automated messages from the supply component 202 and / or from the control device 130, for example to the control system 150.
- the Net-Base 100 can be used on the basis of existing technologies, with individual components 120 and / or 130 and / or 202 from the prior art being able to be developed, for example by integrating the configurable I / O ports.
- the electrically conductive connection for exchanging the electrical signals (which can also be referred to as networking) can include various connection methods.
- the control system 150 can for example be directly connected to the control component 130 in an electrically conductive manner. Furthermore, the control system 150 can temporarily or partially take over the control of the field control system 100 or the control component 130.
- the control system 150 can also communicate with the control component 130 on the basis of a real-time bus (for example in accordance with the “OPC UA” architecture).
- the OPC UA for “Open Platform Communications United Architecture” is a data exchange standard for industrial communication, for example from field device 140 to control component 130 and / or from control component 130 to control system 150.
- the control component 130 can also use an industrial data bus for communication.
- the control system 150 can also have an industrial data bus interface. The communication between the control component 130 and the control system 150 preferably takes place by means of the industrial data bus.
- the control system 150 can communicate with the signal processing module 170 via the connection module 136 of the control component 130, preferably the communication also being carried out via an industrial data bus.
- control component connection 124 and / or 128 and / or the processing component connection 132 can enable redundant operation of a SAFETY application.
- a network of several Net-Bases (as field control systems 100) can also be implemented by means of an industrial data bus via the interface 402.
- the field control system 100 can be controlled by redundant external control modules 160. In this case, these can be connected separately to the field control system 100 in an electrically conductive manner by means of the external control component connection 124.
- the housing 101 of the field controller 100 can include an additional (ie further) control component 130 or (for example, when controlled by the control system 150) have no control component.
- the external control modules 160 can each be designed as a control component 130, wherein the external control modules designed as a control component can optionally be designed to be arranged or mechanically connected in the control component slot of the housing 101.
- each of the external control modules 160 can be connected individually or redundantly to the base element 100.
- connection 124 between the field control system 100 and the external control module 160 can comprise the mechanical connection and / or the electrically conductive connection (in technical terms by means of “interfaces”).
- the housing 101 can comprise a system bus as a field control system interface 102, preferably wherein the system bus 102 can also be used to connect the external control modules 160.
- the system bus 102 can meet safety requirements, which can include, for example, a requirement in accordance with the IEC 61508 and / or the IEC 61511 standard (which is also known as a safety level or safety integrity level, technically "safety integrity level” or SIL), preferably up to SIL3 .
- the safety requirement can also include the firmware of the respective controls.
- a first or a plurality of first field control systems 100 can be networked with a second field control system 100 by means of the control component 130 as a bus coupler via the field control system connection port 402.
- the field control system 100 can be configured to be networked with a field control system 100 of a different type or different production, the field control system 100 being able to access the functions relevant to the field control system 100 or control these relevant functions.
- the bus coupler 130 of the first field control system 100 can control the control component 130 of another field control system 100, preferably wherein the bus coupler 130 enables communication between its field control system 100 and the other (for example the following) field control systems 100.
- the field control system 100 of the bus coupler 130 can be used as the master and / or in the following field control systems 100 can be referred to as so-called slaves.
- the control components 130 of the slaves 100 can each further comprise a communication controller for the connection 402, which preferably enables the coupling to the internal system bus 138 and / or communication with the bus coupler 130 of the master 100.
- Several slaves 100 can be coupled to the corresponding bus coupler 130 by means of the system bus 402 and / or 138.
- the communication controller can be a special design of the control component 130 or can be used instead of the control module 134, preferably wherein the communication controller can ensure the functionality to the IOAs 170 (for example the configurable IO ports). Furthermore, the communication controller can be designed to configure the universal input and output channels (i.e. the configurable IO ports) of the connection module 136 and / or to process the respective electrical signals.
- the system bus 402 and / or 138 can be designed as a redundantly implemented communication bus which ensures the communication between the bus coupler 130 of the master 100 and the communication controllers of the slaves 100.
- This system bus (also: communication bus) can also meet safety requirements, such as SIL requirements, preferably up to SIL3.
- the security requirement can also include the firmware of the respective communication controller.
- the respective communication controller can also provide serial communication on an industrial standard.
- Embodiments of the field control system 100 can each exist as a so-called SAFETY variant and a non-SAFETY variant, for example be designed to be operated in an unsafe or in a safe environment.
- the SAFETY variant can include safety requirements, such as SIL requirements, preferably up to SIL3.
- the security requirement can also include the firmware of the respective field control system 100.
- the electrical signals (for example the status information) of the field control system 100 or the field control systems 100 can also be made available to the control system 150 (for example a control room or a control system). Furthermore, this information can be the basis for generating alarms in the control system. Alternatively or in addition, these messages and / or alarms can receive special priorities so that the field system 100 and / or the control system 150 processes the electrical ones within defined latency times or cycle times.
- electrical signals preferably status information, for example collected information or data
- electrical signals can be made available to the control system 150 by means of appropriate interfaces from the base element 100, for example the slaves 100.
- All available electrical signals preferably status information (field information, energy management, IOA data, etc.) can for example be called up or sent by the control system 150 or the control component 130. Furthermore, this information can be exchanged by means of a cloud-based system (cloud system) which is connected, for example, to the Internet and / or an intranet. Furthermore, this cloud system can be designed to store, process or analyze the information.
- the exchanged electrical signals preferably status information
- can also be protected with appropriate security mechanisms for example end-to-end encryption).
- Field control system also: Net-Base or Basiselement 100
- control component preferably a control component connection, for example a connector half 128
- Control component also: bus coupler 130
- processing component preferably processing component connection, for example connector half 132
- Signal processing module also: "input / output accessory” or IOA 170
- Supply component preferably voltage supply 202
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Abstract
Description
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Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU101864A LU101864B1 (de) | 2020-06-17 | 2020-06-17 | Technik zum Verarbeiten und Austauschen von Feldsignalen |
| PCT/EP2021/066248 WO2021255099A1 (de) | 2020-06-17 | 2021-06-16 | Technik zum verarbeiten und austauschen von feldsignalen |
Publications (1)
| Publication Number | Publication Date |
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| EP4168864A1 true EP4168864A1 (de) | 2023-04-26 |
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| EP21732321.1A Pending EP4168864A1 (de) | 2020-06-17 | 2021-06-16 | Technik zum verarbeiten und austauschen von feldsignalen |
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| US (1) | US20230244201A1 (de) |
| EP (1) | EP4168864A1 (de) |
| CN (1) | CN115917448A (de) |
| LU (1) | LU101864B1 (de) |
| WO (1) | WO2021255099A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN206104779U (zh) * | 2016-08-30 | 2017-04-19 | 华电郑州机械设计研究院有限公司 | 一种自动化锻造生产线控制装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8332567B2 (en) * | 2006-09-19 | 2012-12-11 | Fisher-Rosemount Systems, Inc. | Apparatus and methods to communicatively couple field devices to controllers in a process control system |
| US9547295B2 (en) * | 2010-09-24 | 2017-01-17 | Fisher-Rosemount Systems, Inc. | Methods and apparatus to display process control device information |
| CN102566727A (zh) * | 2010-12-24 | 2012-07-11 | 鸿富锦精密工业(深圳)有限公司 | 开机控制装置及方法 |
| US10834820B2 (en) * | 2013-08-06 | 2020-11-10 | Bedrock Automation Platforms Inc. | Industrial control system cable |
| DE102014000679A1 (de) * | 2014-01-22 | 2015-07-23 | Phoenix Contact Gmbh & Co. Kg | Verbindungsadaptersystem der Steuerungstechnik |
| US9971727B2 (en) | 2014-06-02 | 2018-05-15 | Phoenix Contact Development and Manufacturing, Inc. | Universal I/O signal interposer system |
| US10360125B2 (en) * | 2016-05-31 | 2019-07-23 | Bristol, Inc. | Methods and apparatus to communicatively couple field devices to a remote terminal unit |
| EP3712722A1 (de) * | 2019-03-19 | 2020-09-23 | Siemens Aktiengesellschaft | System, vorrichtung und verfahren zur verwaltung und optimierung der verbindung zwischen feldvorrichtungen und automatisierungsvorrichtungen |
-
2020
- 2020-06-17 LU LU101864A patent/LU101864B1/de active IP Right Grant
-
2021
- 2021-06-16 WO PCT/EP2021/066248 patent/WO2021255099A1/de not_active Ceased
- 2021-06-16 EP EP21732321.1A patent/EP4168864A1/de active Pending
- 2021-06-16 US US18/010,523 patent/US20230244201A1/en active Pending
- 2021-06-16 CN CN202180043411.7A patent/CN115917448A/zh active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206104779U (zh) * | 2016-08-30 | 2017-04-19 | 华电郑州机械设计研究院有限公司 | 一种自动化锻造生产线控制装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20230244201A1 (en) | 2023-08-03 |
| LU101864B1 (de) | 2021-12-17 |
| WO2021255099A1 (de) | 2021-12-23 |
| CN115917448A (zh) | 2023-04-04 |
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