WO2012120994A1 - 制御装置 - Google Patents
制御装置 Download PDFInfo
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- WO2012120994A1 WO2012120994A1 PCT/JP2012/053944 JP2012053944W WO2012120994A1 WO 2012120994 A1 WO2012120994 A1 WO 2012120994A1 JP 2012053944 W JP2012053944 W JP 2012053944W WO 2012120994 A1 WO2012120994 A1 WO 2012120994A1
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- WIPO (PCT)
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- power supply
- module
- power
- unit
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- 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—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- 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—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme 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
- G05B19/058—Safety, monitoring
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- 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
- G05B2219/10—Plc systems
- G05B2219/11—Plc I-O input output
- G05B2219/1198—Activate output only if power of the output signal is sufficient
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- 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
- G05B2219/10—Plc systems
- G05B2219/15—Plc structure of the system
- G05B2219/15096—Cpu controls power supply on I-O modules
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- 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
- G05B2219/21—Pc I-O input output
- G05B2219/21151—Activate output only if power sufficient
Definitions
- the present invention relates to a building block type control device having a plurality of modules.
- Patent Document 1 a building block type control device configured by connecting a plurality of modules is known (for example, see Patent Document 1).
- This prior art control device programmable controller
- the CPU module determines the suitability of the power supply capacity of the power supply module following the initialization process.
- the motor control module, the communication module, the signal processing module, and other high-function modules are provided with a processor for performing logical operations and the like.
- the current consumption is small even when determining the suitability of the power supply capacity.
- the power supply capacity is insufficient when determining the suitability of the power supply capacity, the power supply voltage from the power supply module is lowered or the power supply is cut off. As a result, there is a possibility that normal processor operation cannot be obtained and the suitability of the power supply capacity cannot be accurately determined.
- the present invention has been made in view of such problems, and provides a control device capable of accurately determining the suitability of a power supply capacity regardless of the power supply capacity of the power supply module provided. With the goal.
- a control device of the present invention is a building block type control device including a plurality of modules including at least a power supply module and a CPU module, and the CPU module includes a power supply capacity of the power supply module.
- a processor having a determination control function for determining suitability of the power supply capacity of the power supply module by comparing the total current consumption of each module other than the power supply module, Supplying a first power source used for determining compatibility of the power source capacity including a power source supplied to the processor and a second power source used for other purposes as at least two independent power systems; To do.
- FIG. 1 is a configuration diagram conceptually illustrating an example of an overall configuration of a programmable controller according to an embodiment. It is explanatory drawing which represents notionally the structure of each module with which the programmable controller was equipped, the signal path
- 3 is a block diagram conceptually showing details of an ID reading circuit block.
- FIG. 3 is a timing chart conceptually showing output timings of various signals.
- FIG. 3 is a block diagram conceptually showing details of a unit ID. It is a flowchart showing the content of the control processing performed by a microprocessor.
- FIG. 6 is an explanatory diagram conceptually showing the configuration of each module equipped in the programmable controller, the signal path between each module, and the energization path between each module in a modification in which the microprocessor itself reads the unit ID from each module. is there. It is a flowchart showing the content of the control processing performed by a microprocessor based on the program stored in the program storage part. It is explanatory drawing which represents notionally the structure of each module with which the programmable controller was equipped in the modification which controls supply of a 2nd power supply with an enable signal, the signal path
- the programmable controller 1 (control device) of the present embodiment is a building block type controller including a plurality of modules including a power supply module 100 and a CPU module 200, and has a predetermined direction (FIG. 1).
- a plurality of functional modules 300 can be added in the middle and left and right directions.
- the building block format is a format in which modules are box-shaped (blocks) and modules are added in units of blocks. Examples of the functional module 300 that can be added include a discrete I / O module, an analog I / O module, a pulse I / O module, a communication module, and a motion module that controls driving of a motor.
- High-functional functional modules such as communication modules and motion modules are equipped with a processor such as a microprocessor.
- the programmable controller 1 includes a power supply module 100, a CPU module 200, and two functional modules 300A and 300B in this order from the left side to the right side in FIG.
- Connectors 101L and 101R are provided on both sides of the power supply module 100
- connectors 201L and 201R are provided on both sides of the CPU module 200
- connectors 301L and 301R are provided on both sides of each functional module 300A and 300B. It has been.
- the connectors of the adjacent modules are respectively fitted, that is, the connector 101R of the power supply module 100 and the connector 201L of the CPU module 200 are fitted, and the connector 201R of the CPU module 200 and the connector 301L of the functional module 300A.
- the connector 301R of the functional module 300A and the connector 301L of the functional module 300B are fitted, whereby the power supply module 100, the CPU module 200, and the functional modules 300A and 300B are connected to each other.
- the programmable controller 1 includes the power supply module 100, the CPU module 200, and the functional modules 300A and 300B in this order from the left side to the right side will be described as an example.
- the power supply module 100 includes a converter 102 (first power supply device) connected to a primary power supply 400 of AC (Alternating Current) or DC (Direct Current), a relay 103, and identification information of itself. And a unit ID section 104 (identification information output section) that outputs an ID signal corresponding to the unit ID.
- the converter 102 generates a power supply voltage (VCC) based on the commercial power supplied from the primary power supply 400, and supplies the generated power supply voltage as the first power supply via the first power supply system line L1.
- the power supply voltage is supplied as the second power supply via the relay 103 and the second power supply system line L2. In other words, this corresponds to generating the first power supply and the second power supply and supplying the generated first power supply and second power supply as two independent power supply systems.
- the first power source is a power source used for determining the suitability of the power source capacity of the power source module 100 described later, including the power source supplied to the microprocessor 202 of the CPU module 200 described later, and the second power source is other than that ( For example, it is a power source used for data exchange between the CPU module 200 and each of the function modules 300A and 300B, and for operating a microprocessor of each of the function modules 300A and 300B.
- the second power source is supplied via one second power source line L2 (supplied as one power source system).
- the present invention is not limited to this, and the second power source line is supplied via two or more power source lines. May be supplied (supplied as two or more power supply systems).
- the relay 103 switches between cutoff and supply of the second power from the converter 102 by opening and closing the contact. That is, the second power supply from the converter 102 is shut off by opening the contact, and the second power supply from the converter 102 is supplied via the second power supply system line L2 by closing the contact.
- the functional module 300A includes a microprocessor, an I / O unit, and a communication unit (not shown), and performs data exchange with the microprocessor, the I / O unit, the communication unit, the CPU module 200, and the functional module 300B. It has a module control unit 302A having a bus function, a unit ID unit 303A (identification information output unit) that outputs an ID signal corresponding to its own unit ID, and a pull-down resistor 304A.
- the functional module 300B includes a microprocessor, an I / O unit, and a communication unit (not shown), and performs data exchange with the microprocessor, the I / O unit, the communication unit, the CPU module 200, and the functional module 300A.
- a module control unit 302B having a bus function, a unit ID unit 303B (identification information output unit) that outputs an ID signal corresponding to its own unit ID, and a pull-down resistor 304B are included.
- the CPU module 200 corresponds to a microprocessor 202 (processor) that performs various types of overall control, a bus control unit 203 having a bus function for exchanging data with each of the functional modules 300A and 300B, and its own unit ID.
- a unit ID section 204 (identification information output section) for outputting an ID signal
- a data table storage section 205 (first storage section)
- an ID reading circuit block 206 (identification information reading section)
- a status display for performing various displays
- a portion 207 (display portion) and a pull-down resistor 208 are included.
- the microprocessor 202 includes the power supply capacity of the power supply module 100 that is the capacity of the power supply output from the converter 102 of the power supply module 100 and the current consumption of each module other than the power supply module 100, that is, the CPU module 200 and the functional modules 300A and 300B. And a determination control function for determining suitability of the power supply capacity of the power supply module 100 by comparing with the total value of the power supply module 100.
- the microprocessor 202 determines that the power supply capacity of the power supply module 100 is suitable, the microprocessor 202 further determines whether or not the power supply module 100 can be replaced with a power supply module having a smaller capacity on the corresponding product lineup. . Details of the determination performed by the microprocessor 202 will be described later.
- the data table storage unit 205 is composed of a nonvolatile memory.
- the data table storage unit 205 includes data composed of unit IDs of a plurality of modules and module information corresponding to the unit IDs (power supply capacity information of power supply modules, current consumption information of CPU modules and functional modules, etc.).
- the table is stored.
- a nonvolatile memory provided in the microprocessor 202 may store the data table. That is, a nonvolatile memory provided in the microprocessor 202 may be used as the first storage unit.
- FIG. 3A shows an example of the configuration of the unit ID of the power supply module 100 and an example of a data table including unit IDs of a plurality of power supply modules and module information corresponding to the unit IDs.
- the unit ID of the power supply module 100 is composed of 8 bits (1 byte), that is, ID0 to ID7.
- ID0 to ID2 is “PS_ID”
- ID3 to ID6 is “Spare”
- ID7 is “1”
- ID0 to ID2 which is “PS_ID” is used to indicate the power supply capacity information of the power supply module 100.
- Module information including is shown. Note that ID3 to ID6, which are “Spare”, are not currently used to represent module information, and are areas used to represent module information together with ID0 to ID2 in the future.
- ID0 to ID2 which are “PS_ID” among the 8-bit unit IDs of ID0 to ID7 are shown (ID3 to ID7 are not shown).
- ID3 to ID7 are not shown.
- “DC 24V input” is entered in the “Specification” column as module information of the power supply module to which unit IDs “2”, “0”, “0” are assigned as “PS_ID” ID2, ID1, and ID0.
- VCC3A output is entered ".
- FIG. 3B shows an example of the configuration of unit IDs of the CPU module 200 and the functional module 300, and a data table including unit IDs of a plurality of CPU modules and functional modules and module information corresponding to the unit IDs. An example is shown.
- the unit ID of the CPU module 200 is composed of ID0 to ID7, similar to the unit ID of the power supply module 100.
- ID0 to ID5 are “UNIT_ID”
- ID6 is “0”
- ID7 is “1”
- “UNIT_ID” ID0 to ID5 and ID6 “0” are used for the CPU module 200.
- Module information including current consumption information is shown.
- the unit ID of the functional module 300 is composed of ID0 to ID7, similar to the unit IDs of the power supply module 100 and the CPU module 200.
- ID0 to ID5 are “UNIT_ID”, ID6 is “1”, ID7 is “1”, and “UNIT_ID” ID0 to ID5 and ID6 “1” are used to set the function module 300.
- Module information including current consumption information is shown.
- ID0 to ID5 and ID6 which are “UNIT_ID” are shown among the 8-bit unit IDs of ID0 to ID7 (illustration of ID7 is omitted).
- ID6 and “UNIT_ID” ID5, ID4, ID3, ID2, ID1, ID0 are assigned unit IDs “0” “0” “0” “0” “0” “0”.
- module information of the received modules that is, functional modules
- “DC input unit 32 points” is stored in the “Specification” column and “0.2” is stored in the “Current consumption (A)” column.
- the ID read circuit block 206 outputs a CLK signal, which is a unit ID output command, to the unit ID sections 104, 204, 303A, and 303B of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B. To do. At the same time, the ID signals output from the unit ID sections 104, 204, 303A, and 303B are input according to the CLK signal, and the corresponding unit ID is stored. As shown in FIG. 4, the ID read circuit block 206 includes an oscillation circuit block 2061, a CLK control block 2062, an LD control block 2063, a terminal code detection block 2064, a data set block 2066, and a unit ID register 2067. A read buffer 2068 and an address decoder 2069.
- the oscillation circuit block 2061 generates CLK original oscillation.
- the CLK control block 2062 outputs the CLK signal to each of the unit ID units 104, 204, 303A, and 303B based on the CLK original oscillation generated from the oscillation circuit block 2061.
- the original oscillation clock is connected to the CLK control block 2062, but it may be shared with the clock source supplied to the microprocessor 202.
- the LD control block 2063 outputs an LD signal that causes each unit ID section 104, 204, 303A, 303B to preset a unit ID.
- the terminal code detection block 2064 includes a shift register 2065. The terminal code detection block 2064 constantly monitors eight consecutive ID signals latched by the shift register 2065 and detects a terminal code.
- the data set block 2066 sets a unit ID to the unit ID register 2067 based on the ID signal from each unit ID section 104, 204, 303A, 303B.
- the unit ID is read from the unit ID register 2067 to the read buffer 2068.
- the address decoder 2069 outputs an area selection signal to the unit ID register 2067.
- the status display unit 207 is configured by a lamp such as an LED (Light Emitting Diode), a liquid crystal display, or the like.
- the status display unit 207 displays a predetermined error or warning (details will be described later) in accordance with the result of the determination performed by the microprocessor 202.
- the programmable controller 1 configured as described above, as shown in FIG. 2, when the power of the programmable controller 1 is turned on, commercial power is supplied from the primary-side power supply 400 to the converter 102 of the power supply module 100, and the power supply First, only the first power is supplied from the module 100 to the other CPU modules 200 and the functional modules 300A and 300B. That is, the first power generated by the converter 102 is energized to the first power supply line L1, and the unit ID section 104 of the power supply module 100 and the status display section 207 of the CPU module 200 are connected via the first power supply line L1.
- the first power is supplied to the unit ID unit 204, the ID reading circuit block 206, the microprocessor 202, and the unit ID units 303A and 303B of the functional modules 300A and 300B.
- the power of the programmable controller 1 when the power of the programmable controller 1 is turned on, the contact of the relay 103 is opened, the second power generated by the converter 102 is cut off, and the CPU module 200 and the functional module 300A from the power module 100 are cut off. , 300B, the second power is not supplied. In other words, the second power is not supplied to the bus control unit 203 of the CPU module 200 and the module control units 302A and 302B of the functional modules 300A and 300B via the second power supply line L2.
- the power supply module 100 when the power supply of the programmable controller 1 is turned on, the power supply module 100 only supplies the first power supply to the other CPU modules 200 and the functional modules 300A and 300B via the first power supply line L1. To supply.
- the microprocessor 202 of the CPU module 200 executes a predetermined initialization process, and then the ID An activation request is output to the LD control block 2063 of the read circuit block 206.
- the LD control block 2063 first outputs an LD signal to the unit ID sections 104, 204, 303A, and 303B of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B. To do.
- each unit ID section 104, 204, 303A, 303B is a shift register in which eight flip-flops capable of holding 1-bit data (“0” or “1”) are cascade-connected.
- Each of the unit ID units 104, 204, 303A, and 303B is connected in series with a pull-up resistor and a pull-down resistor.
- the unit IDs of the power supply module 100, the CPU module 200, and the functional module 300 are each composed of 8 bits, that is, ID0 to ID7.
- “00000000” in which all of ID0 to ID7 are “0” cannot be assigned as a unit ID.
- ID0 to ID6 are “0” and “1”, that is, pull-up (H level) / pull-down (L level) is different for each module, and ID7 is fixed to “1”, that is, pull-up (H level). .
- Each unit ID section 104, 204, 303A, 303B when pulsed with the LD signal from the LD control block 2063, converts the 8-bit data composed of ID0 to ID7 into the corresponding H, G, F, E. , D, C, B, A are input to the eight flip-flops in the shift register one bit at a time, and set as a unit ID.
- the LD control block 2063 After outputting the LD signal as described above, the LD control block 2063 outputs a CLK start request to the CLK control block 2062.
- the CLK control block 2062 continuously outputs a CLK signal to each of the unit ID units 104, 204, 303A, and 303B.
- the CLK control block 2062 outputs the CLK signal once, the data is shifted by one stage in the shift registers of the unit ID units 104, 204, 303A, and 303B.
- the first-stage flip-flop (the flip-flop corresponding to the input of A) of the shift register in the unit ID section 303B of the functional module 300B not provided with the module on the right side is connected to the pull-down resistor 304B. “0” in which the GND potential is applied is input.
- Is output as an ID signal and input to the first-stage flip-flop (a flip-flop corresponding to the input of A) of the shift register in the unit ID portion of the module provided on the left side of the module.
- the data held in the flip-flop of the last-stage shift register in the unit ID unit 104 of the power supply module 100 is output as an ID signal and input to the terminal code detection block 2064 and the data set block 2066.
- the terminal code detection block 2064 constantly monitors the input ID signal, and an ID signal of “0” by the action of the GND potential connected to the pull-down resistor 304B of the functional module 300B not provided with the module on the right side is 8 If the terminal code “00000000” is detected, the unit ID is read from all modules, that is, the power supply module 100, the CPU module 200, and the functional modules 300A and 300B. Then, a CLK stop request is output to the CLK control block 2062.
- the CLK control block 2062 When the CLK control block 2062 receives a CLK stop request from the terminal code detection block 2064, the CLK control block 2062 stops outputting the CLK signal to each of the unit ID units 104, 204, 303 A, and 303 B and outputs a completion signal to the microprocessor 202. To do.
- the ID signal is also input to the data set block 2066, and the data set block 2066 converts the input ID signal into 8-bit unit (1 byte unit) parallel data (unit ID or terminal). Code “00000000”) and set in the unit ID register 2067.
- the microprocessor 202 When the completion signal from the CLK control block 2062 is input, the microprocessor 202 outputs a control signal to the address decoder 2069 via the address bus and causes the unit ID register 2067 to output an area selection signal. At the same time, a read signal is output to the read buffer 2068, and the 8-bit parallel data set in the unit ID register 2067 is read in order from the upper address in units of 1 byte (or in units of 1 word). The read data is acquired in order via the data bus. Thereby, unit ID is acquired in order about all of power supply module 100, CPU module 200, and functional modules 300A and 300B. Finally, by acquiring the terminal code “00000000”, it is possible to recognize that the unit ID read immediately before was the last unit ID (unit ID of the functional module 300B).
- the microprocessor 202 accesses the data table stored in the table data storage unit 205, and based on the acquired unit ID, corresponding module information, that is, the power supply module 100, the CPU module 200, and the functional module 300A. , 300B, module information is acquired. Then, the microprocessor 202 uses the acquired module information to determine suitability of the power supply capacity of the power supply module 100, and when determining that the power supply capacity of the power supply module 100 is suitable, the relay of the power supply module 100 A control signal is output to 103 and the contact of relay 103 is closed. As a result, the second power generated by the converter 102 is supplied from the power supply module 100 to the other CPU modules 200 and the functional modules 300A and 300B. That is, the second power is supplied to the bus control unit 203 of the CPU module 200 and the module control units 302A and 302B of the functional modules 300A and 300B via the second power supply line L2.
- the bus controller 203 of the CPU module 200 When the bus controller 203 of the CPU module 200 is energized, the bus function of the bus controller 203 operates normally, and the module controllers 302A and 302B of the functional modules 300A and 300B are energized.
- the bus functions of the module control units 302A and 302B operate normally.
- the CPU module 200 and the functional modules 300A and 300B start normal operation, and data exchange between the CPU module 200 and the functional modules 300A and 300B becomes possible, so that the programmable controller 1 operates normally. Be started.
- step S10 the microprocessor 202 executes a predetermined initialization process.
- step S20 the microprocessor 202 outputs an activation request to the LD control block 2063 of the ID reading circuit block 206.
- step S30 the microprocessor 202 determines whether or not a completion signal is input from the CLK control block 2062 of the ID read circuit block 206. Until the completion signal is input, the determination in step S30 is not satisfied and the loop waits. When the completion signal is input, the determination in step S30 is satisfied and the process proceeds to step S40.
- step S40 the microprocessor 202 outputs a control signal to the address decoder 2069 of the ID read circuit block 206 and also outputs a read signal to the read buffer 2068 of the ID read circuit block 206.
- the 8-bit parallel data (unit ID or terminal code “00000000”) set in the unit ID register 2067 is read out in order from the upper address in units of 1 byte, and the read data is obtained in order. Thereby, unit ID is acquired about all of the power supply module 100, CPU module 200, and functional module 300A, 300B.
- step S50 the microprocessor 202 accesses the data table stored in the table data storage unit 205, and based on the unit ID acquired in step S40, the corresponding module information, that is, the power supply module 100, the CPU module. Module information is acquired for all of the 200 and functional modules 300A and 300B.
- step S60 the microprocessor 202 refers to the current consumption information in the module information of the CPU modules 200 and functional modules 300A and 300B other than the power supply module 100 acquired in step S50, and the current consumption of the CPU module 200 is determined.
- the information and the current consumption of each functional module 300A, 300B are integrated, and the total value of the current consumption of the CPU module 200 and functional module 300A, 300B is calculated.
- step S70 the microprocessor 202 refers to the power capacity information in the module information of the power module 100 acquired in step S50, and acquires the power capacity of the power module 100. Then, by comparing the acquired power capacity of the power module 100 with the total current consumption of the CPU module 200 and the functional modules 300A and 300B calculated in step S60, the power capacity of the power module 100 is determined as the CPU module. It is determined whether the current consumption is equal to or greater than the total current consumption of 200 and functional modules 300A and 300B. Thereby, the suitability of the power capacity of the power module 100 is determined. When the power supply capacity of the power supply module 100 is less than the total current consumption of the CPU module 200 and the functional modules 300A and 300B, it is determined that the power supply capacity of the power supply module 100 is not suitable, and the process proceeds to step S80.
- step S80 the microprocessor 202 outputs a display signal to the status display unit 207, and displays an error display instructing the operator to replace the power supply module with a larger power supply capacity.
- the status display unit 207 is configured by an LED
- the light may be turned on
- the status display unit 207 is configured by a liquid crystal display
- the fact may be displayed. .
- finished the process shown in this flowchart is complete
- finished finished.
- step S70 if the power supply capacity of the power supply module 100 is equal to or greater than the total current consumption of the CPU module 200 and the functional modules 300A and 300B in step S70, it is determined that the power supply capacity of the power supply module 100 is suitable. The process moves to step S90.
- step S90 the microprocessor 202 determines whether or not the power supply module 100 can be replaced with a smaller-capacity power supply module on a corresponding product lineup stored in, for example, a memory (not shown). Thereby, the validity of selection of the power supply module 100 is determined. If it is possible to replace the power supply module with a smaller capacity on the product lineup, it is determined that the selection of the power supply module 100 is not appropriate, and the process proceeds to step S100.
- step S100 the microprocessor 202 outputs a display signal to the status display unit 207, and provides a power supply module having an appropriate capacity on the product lineup to the operator (for example, a power supply module having a necessary minimum power supply capacity). Display a warning message prompting you to change to
- the power supply capacity of the power supply module 100 is 10A
- the total current consumption of the CPU module 200 and the functional modules 300A and 300B is 4A
- a power supply module with a power supply capacity of 8A is used as a smaller capacity power supply module in the product lineup.
- a display prompting replacement with a power supply module with a power supply capacity closer to the total current consumption value 4A is made as a warning display.
- the status display unit 207 is configured by an LED
- light is flashed infrequently, and replacement with a power module having a small capacity of two ranks or more is performed.
- the light may be flashed frequently, or when the status display unit 207 is configured with a liquid crystal display, the above-described contents may be displayed. Thereafter, the process proceeds to step S110.
- step S90 if it is not possible to replace the power supply module with a smaller capacity on the product lineup in step S90, it is determined that the selection of the power supply module 100 is appropriate, and the process proceeds to step S110.
- step S110 the microprocessor 202 controls the power supply module 100 so that the second power supply from the converter 102 is supplied from the power supply module 100 to the other CPU modules 200 and the functional modules 300A and 300B. That is, a control signal is output to the relay 103 of the power supply module 100, the contact of the relay 103 is closed, and the bus controller 203 of the CPU module 200 and each functional module are connected via the second power supply line L2. The second power is supplied to the module control units 302A and 302B of 300A and 300B. As a result, the CPU module 200 and the functional modules 300A and 300B start normal operation, and data exchange between the CPU module 200 and the functional modules 300A and 300B becomes possible, so that the programmable controller 1 operates normally. Be started.
- the power supply module 100 supplies the first power supply via the first power supply system line L1, and the second power supply via the second power supply system line L2. Supply.
- the power supply module 100 supplies the first power supply via the first power supply system line L1, and the second power supply via the second power supply system line L2. Supply.
- the power supply module 100 supplies the first power supply via the first power supply system line L1, and the second power supply via the second power supply system line L2. Supply.
- the power of the programmable controller 1 is turned on and commercial power is supplied to the power supply module 100, first, the first power is supplied from the power supply module 100 to the other modules 200, 300A, 300B, and the CPU module.
- 200 microprocessors 202 determine the suitability of the power supply capacity, and then supply a second power supply to exchange data between the CPU module 200 and the other functional modules 300A and 300B, and the microprocessors of the functional modules 300A and 300B. Can be operated.
- the microprocessor 202 of the CPU module 200 is properly operated. By operating, it is possible to accurately determine that the power supply capacity is not suitable (insufficient). Therefore, the suitability of the power supply capacity can be accurately determined regardless of the power supply capacity of the installed power supply module 100.
- the power supply module 100 supplies only the first power supply when the power of the programmable controller 1 is turned on. Thereby, the current consumption at the time of determining the suitability of the power supply capacity of the power supply module 100 can be reduced, and the suitability can be accurately determined even when the power supply capacity of the power supply module 100 is small.
- the microprocessor 202 of the CPU module 200 controls the power supply module 100 so as to supply the second power supply only when it is determined that the power supply capacity of the power supply module 100 is suitable.
- the power supply module 100 switches between the converter 102 that generates the first power supply and the second power supply from the primary-side power supply 400 and the cutoff and supply of the second power supply from the converter 102 by opening and closing the contacts. And a relay 103. Then, when the microprocessor 202 of the CPU module 200 determines that the power supply capacity of the power supply module 100 is suitable, it closes the contact of the relay 103 and supplies the second power supply. When the microprocessor 202 of the CPU module 200 determines that the power supply capacity of the power supply module 100 is suitable, the contact of the relay 103 of the power supply module 100 is closed to ensure that the power supply module 100 supplies the second power supply. Can be controlled.
- the unit ID sections 104, 204, 303A, and 303B of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B are An ID signal corresponding to the unit ID is output. Then, the microprocessor 202 of the CPU module 200 acquires the unit ID, refers to the data table stored in the data table storage unit 205 based on the unit ID, and the CPU modules 200 and functions other than the power supply module 100 The suitability of the power supply capacity of the power supply module 100 is determined by calculating the total current consumption of the modules 300A and 300B.
- the power supply module 100, the CPU module 200, and the functional modules 300A and 300B do not need to output module information itself when determining the suitability of the power supply capacity of the power supply module 100. Since only the ID signal corresponding to the unit ID having a small data amount needs to be output, the data transfer amount is reduced, and the current consumption when determining the suitability of the power supply capacity of the power supply module 100 can be further reduced. In addition, since the amount of data transfer is small, the suitability of the power supply capacity of the power supply module 100 can be quickly determined.
- the CPU module 200 outputs a CLK signal to the unit ID units 104, 204, 303A, and 303B of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B, and converts the CLK signal into the CLK signal.
- it has an ID read circuit block 206 that inputs ID signals output from the power supply module 100, the CPU module 200, and the functional modules 300A and 300B and stores the corresponding unit ID.
- the microprocessor 202 of the CPU module 200 has a power supply capacity of the power supply module 100 that is equal to or greater than the total current consumption of the CPU modules 200 and functional modules 300A and 300B other than the power supply module 100. If it is determined that the power supply module is suitable, it is further determined whether or not the power supply module 100 can be replaced with a smaller capacity power supply module on the corresponding product lineup.
- the operator is warned, and it is possible to prompt the user to replace the power supply module with an appropriate capacity on the product lineup (for example, a power supply module having a necessary minimum power supply capacity). .
- an appropriate capacity on the product lineup for example, a power supply module having a necessary minimum power supply capacity.
- the CPU module 200 displays an error display when the microprocessor 202 determines that the power supply capacity of the power supply module 100 is not suitable, and the microprocessor 202 displays the power supply module 100 on the corresponding product lineup.
- the state display unit 207 displays a warning when it is determined that the power supply module can be replaced with a smaller capacity power supply module.
- the ID reading circuit block 206 different from the microprocessor 202 is the power supply module 100, the CPU module 200, and the functional modules 300A and 300B.
- the present invention is not limited to this, and the microprocessor itself may read the unit ID from the power supply module 100, the CPU module 200, and the functional modules 300A and 300B.
- the CPU module 200 in the present modification includes a microprocessor 202 ′ (processor) that performs various overall controls, the bus control unit 203, the unit ID unit 204, and a data table storage.
- the unit ID storage unit 210 (third storage unit), the above-described state display unit 207, and a pull-down resistor 208 are included.
- a memory provided in the microprocessor 202 ′ may be used as the second storage unit or the third storage unit.
- the microprocessor 202 ′ executes a predetermined initialization process, and then starts its own output port,
- the LD signal is output to the unit ID sections 104, 204, 303A, and 303B of the module 100, the CPU module 200, and the functional modules 300A and 300B.
- each unit ID part 104,204,303A, 303B sets unit ID.
- the microprocessor 202 ′ continuously outputs a CLK signal to each unit ID section 104, 204, 303A, 303B.
- the route of the ID signal output from each of the unit ID units 104, 204, 303A, and 303B is the same as that in the above embodiment, but the ID signal finally reaches the micro signal unlike the above embodiment. It becomes an input port of the processor 202 '.
- the ID signal input to the microprocessor 202 ′ is converted into parallel data (unit ID or terminal code “00000000”) in units of 8 bits (1 byte unit) and set in a unit ID register (not shown).
- the microprocessor 202 ′ continuously outputs the CLK signal until the terminal code “00000000” is detected.
- the microprocessor 202 ′ stops outputting the CLK signal.
- the 8-bit parallel data set in the unit ID register is read in order from the upper address in units of 1 byte (or in units of 1 word), and when the terminal code “00000000” is read, the reading is terminated,
- the read unit ID is stored in the unit ID storage unit 210. Thereafter, referring to the data table stored in the data table storage unit 205 based on the unit ID stored in the unit ID storage unit 210, the above-described determination and the like are performed.
- Step S10 is equivalent to FIG. 7 described above, and the microprocessor 202 ′ executes an initialization process.
- step S25 the microprocessor 202 'outputs an LD signal to the unit ID sections 104, 204, 303A, and 303B of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B.
- step S35 the microprocessor 202 ′ continuously outputs the CLK signal to each unit ID section 104, 204, 303A, 303B.
- an ID signal is output from each unit ID section 104, 204, 303A, 303B.
- the procedure of step S35 corresponds to the first procedure described in the claims.
- step S40 ' the microprocessor 202' inputs the ID signal output from the unit ID section 104 of the power supply module 100 and converts it into 1-byte parallel data (unit ID or terminal code "00000000"). And stored in the unit ID storage unit 210.
- unit ID is acquired about all of the power supply module 100, CPU module 200, and functional module 300A, 300B.
- the procedure of step S40 ′ corresponds to the second procedure described in the claims.
- step S50 ′ the microprocessor 202 ′ accesses the data table stored in the table data storage unit 205, and based on the unit ID stored in the unit ID storage unit 210 in step S40 ′, the corresponding module.
- Information that is, module information is acquired for all of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B.
- step S60 and step S70 in this modification corresponds to the third procedure described in the claims.
- the microprocessor 202 ′ itself of the CPU module 200 reads the unit ID from the power supply module 100, the CPU module 200, and the functional modules 300A and 300B, thereby providing an ID separately from the microprocessor 202 ′. There is no need to provide a read circuit block, and the number of components can be reduced.
- the primary power supply 400 is connected to the converter 102 to generate a power supply voltage, and the microprocessor 202 is connected to the contact of the relay 103.
- supply of the 2nd power supply was controlled by controlling opening and closing, it is not restricted to this. That is, the primary power supply 400 is connected to two power supply devices, each generates a power supply voltage, and the microprocessor 202 outputs a control signal to one power supply device, thereby controlling the supply of the second power supply. May be.
- the power supply module 100 in this modification is connected to the converter 102 ′ (second power supply device) connected to the primary power supply 400, the unit ID unit 104, and the primary power supply 400. And a converter 105 (third power supply device) with an enable function.
- the converter 102 ′ generates a power supply voltage based on the commercial power supplied from the primary power supply 400, and supplies the generated power supply voltage as the first power supply via the first power supply system line L1.
- the converter 105 with an enable function generates a power supply voltage based on the commercial power supplied from the primary power supply 400, and controls the supply of the second power using the generated power supply voltage as a second power supply.
- the microprocessor 202 of the CPU module 200 determines the suitability of the power supply capacity of the power supply module 100 in the same manner as described above, and determines that the power supply capacity of the power supply module 100 is suitable.
- a signal (control signal) is output to supply the second power supply via the second power supply system line L2. That is, the second power is supplied to the bus control unit 203 of the CPU module 200 and the module control units 302A and 302B of the functional modules 300A and 300B via the second power supply line L2.
- the same effect as the above embodiment can be obtained. Further, according to this modification, when the microprocessor 202 of the CPU module 200 determines that the power supply capacity of the power supply module 100 is suitable, the power supply module 100 outputs the enable signal to the converter 105 with the enable function, whereby the power supply module 100 It can be reliably controlled to supply power.
- the microprocessor 202 of the CPU module 200 obtains the unit ID. By comparing the unit IDs with each other, it is determined whether or not the configurations (types and order) of the plurality of modules equipped in the programmable controller 1 match before the programmable controller 1 is powered off and after the power is turned on. You may do it. As a result, if the microprocessor 202 of the CPU module 200 determines that the configurations of the plurality of modules do not match before the programmable controller 1 is powered off and after the power is turned on, maintenance occurs or the programmable controller 1 fails. Thus, it is possible to warn the operator.
- a relay output module that generates noise is placed next to a functional module having a high-speed processor or a high-speed synchronous memory, or an input module or output module that generates a large amount of heat is continuously arranged.
- the microprocessor 202 of the CPU module 200 can determine this and call the operator's attention.
- the unit IDs of the power supply module 100, the CPU module 200, and the functional modules 300A and 300B acquired by the microprocessor 202 of the CPU module 200 as described above.
- the module in which the function of the CPU module 200 does not correspond to the power supply module 100 and the functional modules 300A and 300B installed in the programmable controller 1 by referring to the data table stored in the data table storage unit 205 based on the above. It may be determined whether or not is included. Accordingly, when a module that does not correspond to the function of the CPU module 200 is mounted, the microprocessor 202 can determine that and call the operator's attention.
- the CPU module 200 is configured to have the status display unit 207, but the status display unit 207 may not be provided.
- the CPU module 200 may be configured to output a display signal to an external display device (PC or the like) via wired or wireless communication, and cause the display device to perform display.
- Programmable controller control device 100 Power supply module (module) 102 Converter (first power supply) 102 'converter (second power supply) 103 Relay 104 Unit ID part (identification information output part) 105 Converter with enable function (third power supply) 200 CPU module (module) 202 Microprocessor (processor) 202 'Microprocessor (processor) 204 Unit ID part (identification information output part) 205 Data table storage unit (first storage unit) 206 ID reading circuit block (identification information reading unit) 207 Status display section (display section) 209 Program storage unit (second storage unit) 210 Unit ID storage unit (third storage unit) 300A, B Function module (module) 303A, B Unit ID part (identification information output part) 400 Primary power supply
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Abstract
Description
上記実施形態においては、マイクロプロセッサ202とは別のID読み出し回路ブロック206が電源モジュール100、CPUモジュール200、及び機能モジュール300A,300BからユニットIDの読み出しを行っていたが、これに限られず、マイクロプロセッサ自身が電源モジュール100、CPUモジュール200、及び機能モジュール300A,300BからユニットIDの読み出しを行ってもよい。
上記実施形態においては、一次側電源400をコンバータ102に接続し、コンバータ102で電源電圧を生成すると共に、マイクロプロセッサ202がリレー103の接点の開閉を制御することにより、第2電源の供給を制御していたが、これに限られない。すなわち、一次側電源400を2つの電源装置に接続し、各々で電源電圧を生成すると共に、マイクロプロセッサ202が一方の電源装置に対し制御信号を出力することにより、第2電源の供給を制御してもよい。
すなわち、CPUモジュール200のマイクロプロセッサ202が、プログラマブルコントローラ1の電源断前に取得したユニットIDと、電源投入の後に取得したユニットIDとを比較することにより、プログラマブルコントローラ1に装備された複数のモジュールの構成(種類や順番)がプログラマブルコントローラ1の電源断前及び電源投入の後において一致しているか否かを判定するようにしてもよい。これにより、CPUモジュール200のマイクロプロセッサ202が、複数のモジュールの構成がプログラマブルコントローラ1の電源断の前及び電源投入の後において一致しないと判定した場合には、メンテナンスの発生やプログラマブルコントローラ1の故障等が発生したものと判断し、操作者に警告することが可能となる。
すなわち、CPUモジュール200のマイクロプロセッサ202が、前述のようにして取得した電源モジュール100、CPUモジュール200、及び機能モジュール300A,300BのユニットIDの順番に基づき、前述のデータテーブル記憶部205に記憶されたデータテーブルを参照することで、プログラマブルコントローラ1に装備された電源モジュール100、CPUモジュール200、及び機能モジュール300A,300Bの位置関係の適否を判定するようにしてもよい。これにより、例えば高速なプロセッサや高速な同期式メモリを有する機能モジュールの隣にノイズを発生するリレー出力モジュールを配置したり、発熱量の多い入力モジュールや出力モジュールを連続して配置したりといったような、モジュールの仕様により隣り合った配置が好ましくない位置関係がある場合に、CPUモジュール200のマイクロプロセッサ202がそれを判定して操作者に注意を促すことが可能となる。
すなわち、CPUモジュール200のマイクロプロセッサ202が、前述のようにして取得した電源モジュール100、CPUモジュール200、及び機能モジュール300A,300BのユニットIDに基づき、前述のデータテーブル記憶部205に記憶されたデータテーブルを参照することで、プログラマブルコントローラ1に装備された電源モジュール100及び機能モジュール300A,300BにCPUモジュール200の機能が対応していないモジュールが含まれるか否かを判定するようにしてもよい。これにより、CPUモジュール200の機能が対応していないモジュールが装着された場合には、マイクロプロセッサ202がそれを判定して操作者に注意を促すことが可能となる。
上記実施形態では、CPUモジュール200が状態表示部207を有するように構成したが、状態表示部207を有しない構成としてもよい。この場合、CPUモジュール200が表示信号を有線あるいは無線通信を介して外部の表示機器(PC等)に出力し、当該表示機器に表示を行わせる構成としてもよい。
100 電源モジュール(モジュール)
102 コンバータ(第1電源装置)
102′ コンバータ(第2電源装置)
103 リレー
104 ユニットID部(識別情報出力部)
105 イネーブル機能付きコンバータ(第3電源装置)
200 CPUモジュール(モジュール)
202 マイクロプロセッサ(プロセッサ)
202′ マイクロプロセッサ(プロセッサ)
204 ユニットID部(識別情報出力部)
205 データテーブル記憶部(第1記憶部)
206 ID読み出し回路ブロック(識別情報読み出し部)
207 状態表示部(表示部)
209 プログラム記憶部(第2記憶部)
210 ユニットID記憶部(第3記憶部)
300A,B 機能モジュール(モジュール)
303A,B ユニットID部(識別情報出力部)
400 一次側電源
Claims (13)
- 少なくとも電源モジュール(100)とCPUモジュール(200)を含む複数のモジュール(100,200,300A,300B)を備えたビルディングブロック形式の制御装置であって、
前記CPUモジュール(200)は、
前記電源モジュール(100)の電源容量と、当該電源モジュール(100)以外の各モジュールの消費電流の合計値とを比較することにより、前記電源モジュール(100)の電源容量の適合性の判定を行う判定制御機能を備えるプロセッサ(202;202′)を有し、
前記電源モジュール(100)は、
前記プロセッサ(202;202′)に供給される電源を含む前記電源容量の適合性の判定に用いられる第1電源と、それ以外に用いられる第2電源とを、少なくとも2つの独立した電源系統として供給する
ことを特徴とする制御装置(1)。 - 前記電源モジュール(100)は、
前記制御装置(1)の電源が投入された際に前記第1電源のみを供給し、
前記プロセッサ(202;202′)は、
前記電源モジュール(100)の電源容量が前記消費電流の合計値以上である場合に、前記電源モジュール(100)の電源容量が適合すると判定し、前記第2電源を供給するように前記電源モジュール(100)を制御する
ことを特徴とする請求項1に記載の制御装置(1)。 - 前記電源モジュール(100)は、
一次側電源(400)から前記第1電源及び第2電源を生成する第1電源装置(102)と、
接点開閉することにより前記第1電源装置(102)からの前記第2電源の遮断及び供給を切り替えるリレー(103)と、を有し、
前記プロセッサ(202;202′)は、
前記電源モジュール(100)の電源容量が適合すると判定した場合に、前記リレー(103)を閉成させて前記第2電源を供給する
ことを特徴とする請求項2に記載の制御装置(1)。 - 前記電源モジュール(100)は、
一次側電源(400)から前記第1電源を生成する第2電源装置(102′)と、
一次側電源(400)から前記第2電源を生成すると共に、前記第2電源の供給を制御可能な第3電源装置(105)を有し、
前記プロセッサ(202;202′)は、
前記電源モジュール(100)の電源容量が適合すると判定した場合に、前記第3電源装置に制御信号を出力して前記第2電源を供給させる
ことを特徴とする請求項2に記載の制御装置(1)。 - 前記複数のモジュール(100,200,300A,300B)は、
前記第1電源が供給され、自身の識別情報を出力する識別情報出力部(104,204,303A,303B)をそれぞれ有し、
前記CPUモジュール(200)は、
前記識別情報と対応するモジュール情報とで構成されたデータテーブルが記憶された第1記憶部(205)を有し、
前記プロセッサ(202;202′)は、
前記複数のモジュール(100,200,300A,300B)の全てについて前記識別情報を取得し、当該識別情報に基づき前記データテーブルを参照して、前記消費電流の合計値を算出することで、前記電源モジュール(100)の電源容量の適合性の判定を行う
ことを特徴とする請求項1乃至4のいずれか1項に記載の制御装置(1)。 - 前記CPUモジュール(200)は、
各モジュールの前記識別情報出力部(104,204,303A,303B)に対し前記識別情報の出力指令を出力すると共に、前記出力指令に応じて各モジュールの前記識別情報出力部(104,204,303A,303B)から出力された前記識別情報を入力して記憶する識別情報読み出し部(206)を有し、
前記プロセッサ(202;202′)は、
前記識別情報読み出し部(206)から前記識別情報を取得する
ことを特徴とする請求項5に記載の制御装置(1)。 - 前記CPUモジュール(200)は、
前記プロセッサ(202′)に接続された第2記憶部(209)を有し、
前記プロセッサ(202′)は、
前記第2記憶部(209)に格納されたプログラムに基づいて、
各モジュールの前記識別情報出力部(104,204,303A,303B)に対し前記識別情報の出力指令を出力する第1手順(S35)と、
各モジュールの前記識別情報出力部(104,204,303A,303B)から出力された前記識別情報を入力して第3記憶部(210)に記憶する第2手順(S40′)と、
前記第3記憶部に記憶した識別情報に基づき前記データテーブルを参照して、前記消費電流の合計値を算出することで、前記電源モジュール(100)の電源容量の適合性の判定を行う第3手順(S60,S70)と、を実行する
ことを特徴とする請求項5に記載の制御装置(1)。 - 前記プロセッサ(202;202′)は、
取得した前記識別情報の順番に基づき、前記データテーブルを参照することで、前記複数のモジュール(100,200,300A,300B)の位置関係の適否を判定する
ことを特徴とする請求項5乃至7のいずれか1項に記載の制御装置(1)。 - 前記プロセッサ(202;202′)は、
前記制御装置(1)の電源断の前及び電源投入の後における前記識別情報同士を比較することにより、前記複数のモジュール(100,200,300A,300B)の構成が前記制御装置(1)の電源断の前及び電源投入の後において一致しているか否かを判定する
ことを特徴とする請求項5乃至8のいずれか1項に記載の制御装置(1)。 - 少なくとも1つの機能モジュール(300A,300B)をさらに備え、
前記プロセッサ(202;202′)は、
取得した前記識別情報に基づき、前記データテーブルを参照することで、前記複数のモジュール(100,200,300A,300B)に前記CPUモジュール(200)の機能が対応していないモジュールが含まれるか否かを判定する
ことを特徴とする請求項5乃至9のいずれか1項に記載の制御装置(1)。 - 前記プロセッサ(202;202′)は、
前記電源モジュール(100)の電源容量が適合すると判定した場合に、さらに、前記電源モジュール(100)を対応する製品ラインナップ上におけるより小容量のモジュールに交換可能であるか否かを判定する
ことを特徴とする請求項1乃至10のいずれか1項に記載の制御装置(1)。 - 前記CPUモジュール(200)は、
前記プロセッサ(202;202′)が前記電源モジュール(100)の電源容量が適合しないと判定した場合にエラー表示を行うと共に、前記プロセッサ(202;202′)が前記電源モジュール(100)を対応する製品ラインナップ上におけるより小容量のモジュールに交換可能であると判定した場合に警告表示を行う表示部(207)を有する
ことを特徴とする請求項11に記載の制御装置(1)。 - 前記表示部(207)は、
前記警告表示として、前記製品ラインナップ上における適切な容量のモジュールへの交換を促す表示を行う
ことを特徴とする請求項12に記載の制御装置(1)。
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EP12754789.1A EP2682831A4 (en) | 2011-03-04 | 2012-02-20 | CONTROL DEVICE |
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US14/016,230 Continuation-In-Part US9229509B2 (en) | 2011-03-04 | 2013-09-03 | Control device |
US14/016,230 Continuation US9229509B2 (en) | 2011-03-04 | 2013-09-03 | Control device |
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WO2012120994A1 true WO2012120994A1 (ja) | 2012-09-13 |
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PCT/JP2012/053944 WO2012120994A1 (ja) | 2011-03-04 | 2012-02-20 | 制御装置 |
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US (1) | US9229509B2 (ja) |
EP (1) | EP2682831A4 (ja) |
JP (1) | JP5633764B2 (ja) |
CN (1) | CN103403635B (ja) |
TW (1) | TWI488014B (ja) |
WO (1) | WO2012120994A1 (ja) |
Cited By (3)
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JP2014115813A (ja) * | 2012-12-10 | 2014-06-26 | Fuji Electric Co Ltd | 診断装置、プログラマブルコントローラシステム、診断方法。 |
JP2016164736A (ja) * | 2015-03-06 | 2016-09-08 | アズビル株式会社 | 監視制御システム |
JP2020087894A (ja) * | 2018-11-30 | 2020-06-04 | シーシーエス株式会社 | 光照射器用電源装置及び光照射システム |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6051547B2 (ja) * | 2012-03-15 | 2016-12-27 | オムロン株式会社 | 制御装置 |
EP2980663B1 (en) * | 2013-03-29 | 2017-08-23 | Mitsubishi Electric Corporation | Plc system |
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TWI477016B (zh) * | 2006-07-24 | 2015-03-11 | Newire Inc | 與導電扁線一起使用的電源裝置、導電扁線系統、監控導電扁線的方法及與導電扁線一起使用之主動安全裝置 |
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CN101800432B (zh) * | 2009-02-06 | 2012-06-06 | 精英电脑股份有限公司 | 系统电源监控装置及其方法 |
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2012
- 2012-02-20 EP EP12754789.1A patent/EP2682831A4/en not_active Withdrawn
- 2012-02-20 CN CN201280011343.7A patent/CN103403635B/zh not_active Expired - Fee Related
- 2012-02-20 JP JP2013503440A patent/JP5633764B2/ja not_active Expired - Fee Related
- 2012-02-20 WO PCT/JP2012/053944 patent/WO2012120994A1/ja active Application Filing
- 2012-03-02 TW TW101106970A patent/TWI488014B/zh not_active IP Right Cessation
-
2013
- 2013-09-03 US US14/016,230 patent/US9229509B2/en not_active Expired - Fee Related
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JPH01184503A (ja) * | 1988-01-19 | 1989-07-24 | Koyo Electron Ind Co Ltd | プログラマブル・コントローラ |
JP2002108417A (ja) * | 2000-09-29 | 2002-04-10 | Keyence Corp | 増設型plcシステム及びこれに組み込まれる発信ユニット、受信ユニット並びにエンドユニット |
JP2010092391A (ja) * | 2008-10-10 | 2010-04-22 | Koyo Electronics Ind Co Ltd | ビルディングブロックタイプのプログラマブルコントローラ |
Cited By (4)
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JP2014115813A (ja) * | 2012-12-10 | 2014-06-26 | Fuji Electric Co Ltd | 診断装置、プログラマブルコントローラシステム、診断方法。 |
JP2016164736A (ja) * | 2015-03-06 | 2016-09-08 | アズビル株式会社 | 監視制御システム |
JP2020087894A (ja) * | 2018-11-30 | 2020-06-04 | シーシーエス株式会社 | 光照射器用電源装置及び光照射システム |
JP7063795B2 (ja) | 2018-11-30 | 2022-05-09 | シーシーエス株式会社 | 光照射器用電源装置及び光照射システム |
Also Published As
Publication number | Publication date |
---|---|
CN103403635B (zh) | 2015-11-25 |
CN103403635A (zh) | 2013-11-20 |
US9229509B2 (en) | 2016-01-05 |
EP2682831A4 (en) | 2014-08-13 |
EP2682831A1 (en) | 2014-01-08 |
TW201303536A (zh) | 2013-01-16 |
JP5633764B2 (ja) | 2014-12-03 |
JPWO2012120994A1 (ja) | 2014-07-17 |
TWI488014B (zh) | 2015-06-11 |
US20140006814A1 (en) | 2014-01-02 |
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