WO2016157514A1 - 制御盤および制御盤の更新方法 - Google Patents
制御盤および制御盤の更新方法 Download PDFInfo
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- WO2016157514A1 WO2016157514A1 PCT/JP2015/060561 JP2015060561W WO2016157514A1 WO 2016157514 A1 WO2016157514 A1 WO 2016157514A1 JP 2015060561 W JP2015060561 W JP 2015060561W WO 2016157514 A1 WO2016157514 A1 WO 2016157514A1
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- terminal block
- control panel
- control device
- control
- panel
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B15/00—Supervisory desks or panels for centralised control or display
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0017—Casings, cabinets or drawers for electric apparatus with operator interface units
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1422—Printed circuit boards receptacles, e.g. stacked structures, electronic circuit modules or box like frames
- H05K7/1427—Housings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
- H05K7/1468—Mechanical features of input/output (I/O) modules
- H05K7/1469—Terminal blocks for connecting sensors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1462—Mounting supporting structure in casing or on frame or rack for programmable logic controllers [PLC] for automation or industrial process control
- H05K7/1481—User interface, e.g. status displays; Programming interface, e.g. connector for computer programming; Monitoring
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23258—GUI graphical user interface, icon, function bloc editor, labview
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/181—Printed circuits structurally associated with non-printed electric components associated with surface mounted components
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10053—Switch
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10189—Non-printed connector
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10227—Other objects, e.g. metallic pieces
- H05K2201/1031—Surface mounted metallic connector elements
Definitions
- the present invention relates to a control panel for monitoring and controlling a plant, and more particularly to a technique for improving the efficiency of work for updating the control panel.
- the update operation of the control panel is accompanied by the stop of the plant operation
- the update operation is usually performed by using the maintenance and inspection period of the plant.
- Patent Document 1 As a method for updating the control panel, for example, in Japanese Patent Application Laid-Open No. 2008-289280 (Patent Document 1), the existing wiring connected to the control device via the card side terminal block is connected to the existing control panel. A method of switching and updating to a device is disclosed.
- a card-side terminal receiver corresponding to a card-side terminal block, and a relay frame in which a relay terminal connected to each terminal of the card-side terminal receiver is built Install in place on the control panel.
- an extension cable is connected between the relay terminal in the relay frame and the control device of the new control panel while the existing control panel is in operation.
- the card-side terminal block is detached from the control device of the existing control panel and connected to the card-side terminal receptacle in the relay frame.
- the present invention has been made to solve such a problem, and an object of the present invention is to realize the efficiency of control panel update work.
- a control panel for monitoring and controlling a device to be controlled outside the panel includes a control unit and a control device including an input / output unit that inputs and outputs a plurality of signals to and from the control unit.
- a plurality of signal lines connected to the input / output unit and respectively transmitting a plurality of signals; a first terminal block to which a plurality of external wirings connected to the control target device are electrically connected; and a first terminal block;
- a second terminal block for an interface between the plurality of signal lines, a control device, a plurality of signal lines, a first terminal block, and a panel housing that accommodates the second terminal block.
- the second terminal block is provided on the first terminal block side, and is provided on the control device side with a plurality of first terminals to which a plurality of external wirings are electrically connected respectively.
- a plurality of second terminals electrically connected, and a switching circuit configured to be able to change the combination of the first terminal and the second terminal connected one-to-one.
- a control panel updating method for monitoring and controlling a device to be controlled outside the panel, wherein the control panel inputs and outputs a plurality of signals to and from the control unit.
- a control device having an input / output unit, a plurality of signal lines connected to the input / output unit and respectively transmitting a plurality of signals, and a plurality of external wirings connected to the control target device are electrically and mechanically connected.
- a panel housing for housing the housing.
- the second terminal block is provided on the first terminal block side, a plurality of first terminals to which a plurality of external wirings are electrically and mechanically connected, and a control device side, and a plurality of signals A plurality of second terminals electrically and mechanically connected to the wires, and a switching circuit configured to change a combination of the first terminals and the second terminals connected one-to-one. .
- the update method includes a step of removing an existing control device from a panel housing of an existing control panel, a step of installing a new control device in a panel housing of an existing control panel from which an existing control device has been removed, In the second terminal block, using the switching circuit, the step of adjusting the combination of the first terminal and the second terminal based on the input / output signal specifications of the new control device, and the second terminal block Electrically and mechanically connecting the control device.
- the efficiency of the control panel update work can be improved.
- FIG. 5 is a diagram for explaining a basic configuration of a switching circuit shown in FIG. 4. It is a flowchart for demonstrating the update method of the control panel according to this Embodiment 1. It is a schematic block diagram of the switching circuit installed in the I / F terminal block in the control panel according to the second embodiment. It is a schematic block diagram of the switching circuit installed in the I / F terminal block in the control panel according to the second embodiment. It is a schematic block diagram of the switching circuit installed in the I / F terminal block in the control panel according to the third embodiment.
- FIG. 1 is a diagram for explaining a schematic configuration of a general control system.
- the control system shown in FIG. 1 is a control system for monitoring and controlling a plant such as a power plant or a substation, for example.
- the control system 1 includes a control target device 20, a control panel 10, and a monitoring operation panel 30.
- the control system 1 is, for example, a distributed control system in which a large number of control target devices are divided into a plurality of groups and one control panel 10 is arranged for each group.
- the control target device 20 includes, for example, a robot, an actuator, a sensor and a display monitor, an input button, and the like provided in facilities constituting the plant.
- the control panel 10 controls the control target device 20.
- a plurality of external wirings 135 are laid between the control panel 10 and the control target device 20.
- the external wiring 135 is connected to a terminal block (not shown) provided in the control panel 10.
- the control panel 10 is electrically connected to the control target device 20 through the external wiring 135.
- the control panel 10 transmits a control signal to the control target device 20 via the external wiring 135.
- the control panel 10 further receives various signals output from the control target device 20 via the external wiring 135.
- the monitoring operation panel 30 controls the control panel 10.
- the monitoring operation panel 30 is configured to be capable of remotely operating the control target device 20 from outside the plant by exchanging various information and signals with the control panel 10.
- the connection between the monitoring operation panel 30 and the control panel 10 may be a wired connection or a wireless connection.
- an existing control panel (hereinafter referred to as “existing control panel”) 10 is replaced with a new control panel (hereinafter referred to as “new control panel”) 15. May be updated.
- existing control panel hereinafter referred to as “existing control panel”
- new control panel hereinafter referred to as “new control panel”
- the control panel is updated by the following procedure.
- the external wiring 135 is disconnected from the terminal block of the existing control panel 10, and the existing control panel 10 is removed.
- the external wiring 135 is connected to the terminal block of the newly installed control panel 15.
- the new control panel 15 is trial run and a wiring check or the like is performed. If it is confirmed that there is no problem, the update operation is terminated.
- control panel update work is performed while the operation of the control target device 20 is stopped. Therefore, it is inevitably necessary to stop the operation of the plant during the update work.
- control panel update work is usually performed using the maintenance inspection period of the control target equipment.
- Patent Document 1 discloses, as one of such techniques, a method of attaching a relay frame to an existing control panel at the time of updating.
- Patent Document 1 discloses, as one of such techniques, a method of attaching a relay frame to an existing control panel at the time of updating.
- a new space is required in the plant for installing a relay frame that is approximately the same size as the existing control panel.
- FIG. 2 is a block diagram for illustrating the configuration of the control panel according to the first embodiment.
- the control panel shown in FIG. 2 corresponds to the existing control panel 10 shown in FIG.
- control panel 10 includes control device 100, terminal block 140, interface terminal block (hereinafter also referred to as “I / F terminal block”) 150, and panel casing 200. .
- the control device 100, the terminal block 140, and the I / F terminal block 150 are housed inside the panel casing 200.
- the control device 100 is mainly a macro computer including a CPU (Central Processing Unit) 110, a memory 115 such as a ROM (Read Only Memory) or a RAM (Random Access Memory), and an I / O (Input / Output) 120. Composed.
- a CPU Central Processing Unit
- memory 115 such as a ROM (Read Only Memory) or a RAM (Random Access Memory)
- I / O Input / Output
- a plurality of terminals 144 (FIGS. 3 and 4) of the terminal block 140 are connected to a plurality of external wirings 135 connected to the control target device 20 (FIG. 1).
- Each of the plurality of terminals 144 is configured to be able to input and / or output signals independently.
- the I / F terminal block 150 functions as an interface between the control device 100 and the terminal block 140.
- One side of the I / F terminal block 150 is electrically connected to the I / O 120 of the control device 100 through a plurality of signal lines 155.
- the plurality of signal lines 155 are provided in the same number as the number of external wirings 135 so as to correspond one-to-one with the plurality of external wirings 135.
- the I / O 120 inputs / outputs a plurality of signals transmitted to the plurality of signal lines 155 to / from the CPU 110.
- the plurality of signal lines 155 are bundled in one cable 157.
- a parallel connector 160 is connected to the end of the cable 157.
- a cable connection unit 215 is provided on the control device 100 side of the I / F terminal block 150.
- the cable connecting portion 215 includes a plurality of terminals 210A to 210G (second terminals). Each of the plurality of terminals 210A to 210G is configured to be able to input and / or output signals independently.
- the parallel connector 160 By connecting the parallel connector 160 to the cable connection portion 215 of the I / F terminal block 150, the plurality of signal lines 155 in the cable 155 and the plurality of terminals 210A to 210G are electrically connected to each other. Thereby, one signal line 155 can be independently connected to each of the plurality of terminals 210A to 210G.
- the other side of the I / F terminal block 150 is electrically connected to the terminal block 140, that is, the plurality of external wirings 135.
- a plurality of terminals 220 (220 a to 220 g; first terminals) are provided on the terminal block 140 side of the I / F terminal block 150.
- Each of the plurality of terminals 220a to 220g is configured to be able to input and / or output signals independently.
- the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G are electrically connected through a plurality of internal wirings 225, respectively.
- the plurality of terminals 220a to 220g are arranged to face the plurality of terminals 142a to 142g provided on the terminal block 140 on a one-to-one basis.
- the electrical connection between the I / F terminal block 150 and the terminal block 140 is performed by connecting the I / F terminal block 150 and the terminal block 140 to connect the plurality of terminals 220a to 220g and the plurality of terminals 142a to 142g to each other. This can be realized by bringing them into contact.
- the existing control device 100 is removed from the panel housing 200 of the existing control panel 10 and a new control device (hereinafter referred to as “new control device”) is installed inside the panel housing 200.
- new control device a new control device
- the control panel is updated. That is, the control panel according to the first embodiment is updated by diverting the panel casing 200 and the terminal block 140 of the existing control panel 10 and replacing the existing control apparatus 100 with a new control apparatus.
- the repeater shown by the said patent document 1 can be made unnecessary.
- the signal input / output specification in the new control device may be different from the signal input / output specification in the existing control device 100.
- the input / output signal specification represents an arrangement of a plurality of signal lines 155 in the I / O 120 of the control device 100. That is, the difference in input / output signal specifications between the existing control device and the new control device means that the arrangement of the plurality of signal lines 155 is different between the existing control device and the new control device.
- the plurality of signal lines 155 electrically connected to the plurality of terminals 210A to 210G of the I / F terminal block 150 are arranged according to the input / output signal specifications of the newly installed control device.
- the plurality of external wirings 135 that are electrically connected to the plurality of terminals 142a to 142g of the existing terminal block 140 are arranged in accordance with the input / output signal specifications of the existing control device. Therefore, it is necessary to change the input / output signal specification of the existing terminal block 140 in accordance with the input / output signal specification of the new control device.
- the arrangement of the plurality of signal lines 155 and the arrangement of the plurality of external wirings 135 are as follows. The connection of the wiring that electrically connects the new control device and the existing terminal block 140 is adjusted so as to be matched.
- a method of adjusting the wiring connection between the new control device and the existing terminal block 140 for example, as shown in FIG. 3, a plurality of terminals are provided between the existing terminal block 140 and the I / F terminal block 150.
- the connection is made by the inter-wiring 145.
- line 155 and the some external wiring 135 may be taken may be taken. it can.
- a switching circuit 240 is provided inside the I / F terminal block 150 as shown in FIG.
- the switching circuit 240 is configured such that the combination of the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G connected one-to-one can be freely changed.
- a plurality of first internal wirings 230 and a plurality of second internal wirings 235 are provided inside the I / F terminal block 150.
- the plurality of first internal wirings 230 are connected to the plurality of terminals 220a to 220g, respectively.
- the plurality of second internal wirings 235 are connected to the plurality of terminals 210A to 210G, respectively.
- the switching circuit 240 electrically connects the plurality of first internal wirings 230 and the plurality of second internal wirings 235 on a one-to-one basis.
- the combination of the first internal wiring 230 and the second internal wiring 235 connected one-on-one is set according to the input / output signal specifications of the newly installed control device.
- FIG. 5 is a diagram for explaining the basic configuration of the switching circuit 240 shown in FIG.
- the basic concept of the connection change between the first internal wiring 230 and the second internal wiring 235 in the switching circuit 240 will be described with reference to FIG.
- the plurality of first internal wirings 230a to 230g extend in parallel to each other along a first direction (for example, a horizontal direction on the paper).
- the plurality of second internal wirings 235A to 235G extend in parallel to each other along a second direction (for example, a direction perpendicular to the paper surface) different from the first direction.
- the plurality of first internal wirings 230a to 230g and the plurality of second internal wirings 235A to 235G are arranged so as to cross each other in a plan view of the switching circuit 240 while maintaining electrical insulation.
- a plurality of intersection points CP are formed by three-dimensionally intersecting the plurality of first internal wirings 230a to 230g and the plurality of second internal wirings 235A to 235G. As shown in FIG. 5, the plurality of intersection points CP are arranged in a matrix in the plan view of the switching circuit 240.
- the switching circuit 240 includes a connection portion for selectively electrically enabling a plurality of intersections CP. By electrically validating the intersection CP, the first internal wiring 230 and the second internal wiring 235 that intersect at the intersection CP are electrically connected. The configuration of the connection unit will be described later.
- nine intersections CP are formed between the plurality of second internal wirings 235A to 235G on the first internal wiring 230c.
- the switching circuit 240 electrically enables only one intersection CP out of these nine intersections CP using the connection portion. For example, when the intersection CP1 in the drawing is electrically enabled, the first internal wiring 230c and the second internal wiring 235E are electrically connected. Similarly, when the intersection CP2 in the drawing is electrically enabled, the first internal wiring 230a and the second internal wiring 235C are electrically connected. Which of the nine intersections CP is to be electrically activated is determined based on the input / output signal specifications of the newly installed control device.
- the switching circuit 240 some of the intersections CP among the plurality of intersections CP arranged in a matrix are electrically enabled. Some intersections CP that are electrically effective are selected so that the first internal wiring 230 and the second internal wiring 235 are matched based on the input / output signal specifications of the newly installed control device. As described above, the switching circuit 240 adjusts the electrical connection between the first internal wiring 230 and the second internal wiring 235 in accordance with the input / output signal specifications of the newly installed control device, thereby allowing the I / F terminal block 150 to be adjusted. As a whole, the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G are connected on a one-to-one basis in a substantially aligned state.
- FIG. 6 is a flowchart for illustrating a control panel updating method according to the first embodiment.
- the control panel updating method according to the first embodiment mainly includes a step (S20) of removing the existing control device 100 from the panel casing 200 of the existing control panel 10, and a new installation in the panel casing 200 of the existing control panel 10.
- the step of installing the control device (S30), the step of adjusting the combination of the terminal 220 and the terminal 210 electrically connected one-to-one in the I / F terminal block 150 (S40), and the wiring are adjusted.
- a step (S50) of connecting a new control device to the I / F terminal block 150 are adjusted.
- step S10 the operation of the plant is first stopped. After the operation of the plant is stopped, the power supply of the existing control panel 10 is shut off.
- step S20 the existing control device 100 is removed from the existing control panel 10 whose power is cut off.
- the I / F terminal block 150 and the existing terminal block 140 remain in the existing control panel 10.
- a new control device is installed on the existing control panel 10 where the terminal block 140 and the I / F terminal block 150 are left (step S30).
- the connection of wiring between the existing terminal block 140 and the new control device is adjusted using the switching circuit 240 (step S40).
- the switching circuit 240 the electrical connection between the first internal wiring 230 and the second internal wiring 235 is adjusted according to the input / output signal specifications of the newly installed control device. Thereby, the arrangement of the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G is matched.
- the parallel connector 160 of the cable 157 connected to the newly installed control device is connected to the cable connection portion 215 of the I / F terminal block 150 whose wiring connection has been adjusted (step S50).
- the plurality of signal lines 155 and the plurality of terminals 210A to 210G are electrically connected to each other. That is, one signal line 155 is independently electrically connected to each of the plurality of terminals 210A to 210G. Accordingly, the plurality of signal lines 155 and the plurality of external wirings 135 are electrically connected through the I / F terminal block 150 and the existing terminal block 140 in a state in which the arrangement is aligned.
- the control panel update operation is completed. After the control panel update operation is completed, the power supply of the existing control panel 10 is turned on again, so that the operation of the plant can be resumed.
- control panel update operation is performed by diverting the panel casing 200 and the terminal block 140 of the existing control panel 10 and replacing the existing control apparatus 100 with a new control apparatus.
- the control panel update operation is performed by diverting the panel casing 200 and the terminal block 140 of the existing control panel 10 and replacing the existing control apparatus 100 with a new control apparatus.
- the switching circuit 240 provided inside the terminal block 150 serving as an interface between the new control device and the existing terminal block is used.
- the plurality of signal lines 155 connected to the new control device and the plurality of external wirings 135 connected to the existing terminal block 140 can be matched.
- the existing terminal block 140 can be used as it is without changing the input / output signal specifications in the existing terminal block 140.
- control panel and the control panel updating method according to the first embodiment the efficiency of the control panel updating work can be realized.
- FIG. FIG. 7 is a schematic configuration diagram of a switching circuit installed in the I / F terminal block in the control panel according to the second embodiment. Since the configuration of the control panel according to the second embodiment is similar to that of FIG. 2, detailed description will not be repeated.
- the configuration of the I / F terminal block 150 is the same as that of FIG. 4 except for the configuration of the switching circuit 240, and therefore detailed description will not be repeated.
- switching circuit 240 ⁇ / b> A includes a first substrate 242, a second substrate 244, and an insulating substrate 246.
- the first substrate 242 has a plurality of first internal wirings 230 formed on the surface.
- the plurality of first internal wirings 230 extend in parallel to each other along a first direction (for example, a horizontal direction on the paper).
- the second substrate 244 is disposed on the surface of the first substrate 242.
- the second substrate 244 has a plurality of second internal wirings 235 formed on the surface opposite to the surface facing the first substrate 242.
- the plurality of second internal wirings 235 extend in parallel to each other along a second direction (for example, a direction perpendicular to the paper surface).
- the insulating substrate 246 is disposed between the first substrate 242 and the second substrate 244.
- the first substrate 242 and the second substrate 244 are stacked with the insulating substrate 246 interposed therebetween.
- the insulating substrate 246 maintains electrical insulation between the first internal wiring 230 and the second internal wiring 235.
- the plurality of first internal wirings 230 and the plurality of second internal wirings 235 are three-dimensionally crossed.
- Each of the first substrate 242, the second substrate 244, and the insulating substrate 246 has a plurality of openings 242h, 244h, and 246h penetrating in the thickness direction of the substrate.
- Each of the openings 242h, 244h, and 246h is disposed at a position corresponding to a plurality of intersections CP (see FIG. 5).
- the switching circuit 240 ⁇ / b> A electrically connects the first internal wiring 230 and the second internal wiring 235 that intersect at a predetermined intersection CP using the connection unit 248.
- the connection portion 248 electrically connects the corresponding first internal wiring 230 and second internal wiring 235 while being inserted into the openings 242h, 244h, and 246h. Is configured to be possible.
- the connection part 248 for example, a needle-like electrode member that can be inserted into the opening is used.
- FIG. 8 schematically shows a state in which the connection portion (electrode member) 248 is inserted through the openings 242h, 244h, and 246h.
- the connection portion 248 is inserted through the openings 242h, 244h, and 246h arranged at the intersection CP of the first internal wiring 230c and the second internal wiring 235B.
- the first internal wiring 230c and the second internal wiring 235B are electrically connected through the connection portion 248.
- the connecting portion (electrode member) 248 is inserted into the openings 242h, 244h, and 246h provided at each of the partial intersections CP selected according to the input / output signal specifications of the newly installed control device.
- the connection portion 248 By adjusting the connection between the first internal wiring 230 and the second internal wiring 235 using the connection portion 248, the arrangement of the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G is matched.
- FIG. 9 is a schematic configuration diagram of a switching circuit installed in the I / F terminal block in the control panel according to the third embodiment. Since the configuration of the control panel according to the third embodiment is the same as that of FIG. 2, detailed description will not be repeated. Further, the configuration of the I / F terminal block 150 is the same as that of FIG. 5 except for the configuration of the switching circuit 240, and therefore detailed description will not be repeated.
- switching circuit 240 ⁇ / b> B includes a plurality of switches SW and control unit 300.
- the plurality of switches SW are respectively disposed at a plurality of intersections CP formed between the plurality of first internal wirings 230 and the plurality of second internal wirings 235.
- Each of the plurality of switches SW is connected between the corresponding first internal wiring 230 and second internal wiring 235.
- each switch SW is controlled to be conductive (ON) and blocked (OFF).
- the switch SW is turned on, the corresponding first internal wiring 230 and second internal wiring 235 are electrically connected.
- the control unit 300 is realized by using hardware such as an FPGA (Field-Programmable Gate Array). However, you may implement
- FPGA Field-Programmable Gate Array
- a switch SW (Ba) is connected between the first internal wiring 230a and the second internal wiring 235B, and between the first internal wiring 230b and the second internal wiring 235B.
- the switch SW (Bb) is connected, and the switch SW (Bc) is connected between the first internal wiring 230c and the second internal wiring 235B.
- the switch SW (Ba) is controlled to be turned on / off by a control signal CSBa from the control unit 300, the switch SW (Bb) is controlled to be turned on / off by a control signal CSBb, and the switch SW (Bc) is controlled to be turned on / off by a control signal CSBc. Is done. For example, when the switch SW (Bc) is turned on by the control signal CSBc, the first internal wiring 230c and the second internal wiring 235B are electrically connected.
- the control unit 300 selectively turns on a switch SW arranged at a predetermined intersection CP among the plurality of switches SW, whereby the first internal wiring 230 and the second internal wiring that intersect at the intersection CP. 235 is electrically connected. Information about the switch SW to be selectively turned on can be set in advance according to the input / output signal specifications of the newly installed control device and stored in the control unit 300.
- the switching circuit 240 ⁇ / b> B adjusts the electrical connection between the first internal wiring 230 and the second internal wiring 235 by the on / off control of the plurality of switches SW by the control unit 300.
- the arrangement of the plurality of terminals 220a to 220g and the plurality of terminals 210A to 210G is matched.
- the I / F terminal block 150 and the terminal block 140 are electrically connected to each other by connecting the I / F terminal block 150 and the terminal block 140 to a plurality of terminals 220a.
- the configuration realized by bringing ⁇ 220g and the plurality of terminals 142a-142g into contact with each other has been described.
- a plurality of types of I / F terminal blocks 150 having different sizes are selected in accordance with the size of the terminal block 140 (particularly, the width in the direction in which the plurality of terminals 142a to 142g are arranged). It is preferable to prepare. Thereby, the interface between the terminal block 140 and the control device 100 can be realized for the terminal block 140 of various sizes.
- the terminal block 140 corresponds to an example of a “first terminal block”
- the I / F terminal block 150 corresponds to an example of a “second terminal block”.
- the plurality of terminals 220 correspond to one example of “first terminal”
- the plurality of terminals 220 correspond to one example of “second terminal”
- the switching circuit 240 is one of “switching circuit”. This corresponds to the embodiment.
- control system 10 control panel (existing control panel), 15 newly installed control panel, 20 controlled devices, 30 monitoring operation panel, 100 control device, 110 CPU, 115 memory, 120 I / O, 140 terminal block, 142, 142a ⁇ 142g, 144,210,210A ⁇ 210G, 220,220a ⁇ 220g Terminal, 135 External wiring, 150 I / F terminal block, 155 signal line, 157 cable, 160 parallel connector, 215 cable connection, 230 1st internal Wiring, 235 second internal wiring, 240, 240A, 240B switching circuit, 242 first substrate, 244 second substrate, 246 insulating substrate, 242h, 244h, 246h opening, 248 connection, 300 control, CP Intersection, SW switch.
Abstract
Description
(制御システムの全体構成)
図1は、一般的な制御システムの概略構成を説明するための図である。図1に示される制御システムは、たとえば、発電所や変電所などのプラントを監視制御するための制御システムである。
図2は、本実施の形態1に従う制御盤の構成を説明するためのブロック図である。図2に示す制御盤は、図1に示す既設制御盤10に対応するものである。
図6は、本実施の形態1に従う制御盤の更新方法を説明するためのフローチャートである。実施の形態1に従う制御盤の更新方法は、主に、既設制御盤10の盤筐体200から、既設制御装置100を撤去する工程(S20)と、既設制御盤10の盤筐体200に新設制御装置を設置する工程(S30)と、I/F端子台150において、一対一に電気的に接続される端子220と端子210との組合せを調整する工程(S40)と、配線が調整されたI/F端子台150に新設制御装置を接続する工程(S50)とを備える。
以下の実施の形態2および3では、図5で説明した切替回路240の具体的な構成例について説明する。
図7は、本実施の形態2に従う制御盤におけるI/F端子台に設置される切替回路の概略構成図である。実施の形態2に従う制御盤の構成は、図2と同様であるので詳細な説明は繰り返さない。また、I/F端子台150の構成についても、切替回路240の構成を除いて、図4と同様であるので詳細な説明は繰り返さない。
図9は、実施の形態3に従う制御盤におけるI/F端子台に設置される切替回路の概略構成図である。実施の形態3に従う制御盤の構成は、図2と同様であるので詳細な説明は繰り返さない。また、I/F端子台150の構成についても、切替回路240の構成を除いて、図5と同様であるので詳細な説明は繰り返さない。
Claims (5)
- 盤外の制御対象機器を監視制御するための制御盤であって、
制御部と、前記制御部に対して複数の信号を入出力する入出力部とを有する制御装置と、
前記入出力部に接続され、前記複数の信号をそれぞれ伝達する複数の信号線と、
前記制御対象機器に繋がる複数の外部配線が電気的に接続される第1の端子台と、
前記第1の端子台と前記複数の信号線との間のインターフェイス用の第2の端子台と、
前記制御装置、前記複数の信号線、前記第1の端子台および前記第2の端子台を収容する盤筐体とを備え、
前記第2の端子台は、
前記第1の端子台側に設けられ、前記複数の外部配線がそれぞれ電気的に接続される複数の第1の端子と、
前記制御装置側に設けられ、前記複数の信号線にそれぞれ電気的に接続される複数の第2の端子と、
一対一に接続される前記第1の端子と前記第2の端子との組合せを変更可能に構成された切替回路とを含む、制御盤。 - 前記第2の端子台は、
前記複数の第1の端子にそれぞれ接続され、互いに平行に延在する複数の第1の内部配線と、
前記複数の第2の端子にそれぞれ接続され、互いに平行に延在する複数の第2の内部配線とを含み、
前記複数の第1の内部配線と前記第2の内部配線とは、電気的絶縁性を保ちつつ、前記切替回路の平面視において互いに交差するように配置され、
前記切替回路は、
前記複数の第1の内部配線と前記複数の第2の内部配線とが交差して形成される複数の交差点の各々において、対応する前記第1の内部配線と前記第2の内部配線との電気的接続および遮断を切替え可能に構成された接続部を含む、請求項1に記載の制御盤。 - 前記切替回路は、
表面に前記複数の第1の内部配線が形成された第1の基板と、
前記第1の基板の前記表面上に配置され、前記第1の基板と対向する表面と反対側の表面に前記複数の第2の内部配線が形成された第2の基板と、
前記第1の基板と前記第2の基板との間に配置された絶縁基板とをさらに含み、
前記第1の基板、前記第2の基板および前記絶縁基板には、前記複数の交差点の各々において、基板の厚み方向に貫通する開口部が形成されており、
前記接続部は、前記開口部に挿入された状態で、対応する前記第1の内部配線と前記第2の内部配線とを電気的に接続可能に構成された電極部材により構成される、請求項2に記載の制御盤。 - 前記接続部は、前記複数の交差点にそれぞれ配置され、各々が対応する前記第1の内部配線と前記第2の内部配線との間に接続される複数のスイッチにより構成され、
前記切替回路は、前記複数のスイッチの導通および遮断を制御する制御部をさらに含む、請求項2に記載の制御盤。 - 盤外の制御対象機器を監視制御するための制御盤の更新方法であって、
前記制御盤は、
制御部と、前記制御部に対して複数の信号を入出力する入出力部とを有する制御装置と、
前記入出力部に接続され、前記複数の信号をそれぞれ伝達する複数の信号線と、
前記制御対象機器に繋がる複数の外部配線が電気的かつ機械的に接続される第1の端子台と、
前記第1の端子台と前記複数の信号線との間のインターフェイス用の第2の端子台と、
前記制御装置、前記複数の信号線、前記第1の端子台および前記第2の端子台を収容する盤筐体とを含み、
前記第2の端子台は、
前記第1の端子台側に設けられ、前記複数の外部配線がそれぞれ電気的かつ機械的に接続される複数の第1の端子と、
前記制御装置側に設けられ、前記複数の信号線にそれぞれ電気的かつ機械的に接続される複数の第2の端子と、
一対一に接続される前記第1の端子と前記第2の端子との組合せを変更可能に構成された切替回路とを含み、
前記更新方法は、
既設の前記制御盤の前記盤筐体から既設の前記制御装置を撤去する工程と、
前記既設制御装置が撤去された前記既設制御盤の前記盤筐体内に、新設の前記制御装置を設置する工程と、
前記第2の端子台において、前記切替回路を用いて、前記新設制御装置の入出力信号仕様に基づいて、前記第1の端子と前記第2の端子との組合せを調整する工程と、
前記第2の端子台に、前記新設制御装置を電気的および機械的に接続する工程とを備える、制御盤の更新方法。
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EP15887660.7A EP3280014A4 (en) | 2015-04-03 | 2015-04-03 | Control panel and control panel update method |
US15/552,112 US10492312B2 (en) | 2015-04-03 | 2015-04-03 | Control panel and method of replacing control panel |
RU2017134605A RU2668076C1 (ru) | 2015-04-03 | 2015-04-03 | Панель управления и способ замены панели управления |
CN201580078396.4A CN107431336B (zh) | 2015-04-03 | 2015-04-03 | 控制盘以及控制盘的更新方法 |
JP2015541730A JP5972477B1 (ja) | 2015-04-03 | 2015-04-03 | 制御盤および制御盤の更新方法 |
PCT/JP2015/060561 WO2016157514A1 (ja) | 2015-04-03 | 2015-04-03 | 制御盤および制御盤の更新方法 |
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EP3280014A1 (en) | 2018-02-07 |
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US10492312B2 (en) | 2019-11-26 |
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US20180077807A1 (en) | 2018-03-15 |
CN107431336A (zh) | 2017-12-01 |
JP5972477B1 (ja) | 2016-08-17 |
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CN107431336B (zh) | 2019-07-02 |
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