WO2005050336A1 - 制御システム - Google Patents
制御システム Download PDFInfo
- Publication number
- WO2005050336A1 WO2005050336A1 PCT/JP2004/015239 JP2004015239W WO2005050336A1 WO 2005050336 A1 WO2005050336 A1 WO 2005050336A1 JP 2004015239 W JP2004015239 W JP 2004015239W WO 2005050336 A1 WO2005050336 A1 WO 2005050336A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- node
- unit
- system component
- network
- control system
- Prior art date
Links
- 238000004891 communication Methods 0.000 claims abstract description 115
- 238000012544 monitoring process Methods 0.000 claims abstract description 35
- 238000003860 storage Methods 0.000 claims abstract description 19
- 230000006870 function Effects 0.000 claims description 68
- 238000012545 processing Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 230000004044 response Effects 0.000 claims description 6
- 238000007726 management method Methods 0.000 description 88
- 238000009434 installation Methods 0.000 description 26
- 238000010586 diagram Methods 0.000 description 14
- 238000013461 design Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—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
-
- 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
- G05B2219/21028—Address of module determined by position
Definitions
- system component nodes are sequentially installed in the plant. For example, a network address is set in the controller 20-22, installed at a predetermined position, and connected to the network 100.
- sensor 30, The data 31 is installed in the predetermined position of each of the controllers 20-22 and connected.
- the distributed controllers 20 to 22 perform predetermined control calculations and the like using the signals from the various sensors 30, and operate the actuators 31 to control the plant. Also, the controller 20-22 monitors the upper and lower limit values for the input data and the output data, and if the upper and lower limit values are exceeded, an alarm (alarm) signal or the like indicating that is exceeded. The data is transmitted to the management node 10 via the network 100. Further, various control functions handled by the controllers 20 to 22 are sent to the management node 10 via the network 100, and the management node 10 displays the control function of the plant and the monitoring result on the display unit. I do. Then, the operator monitors the display unit, resets the control function for performing the operation of the plant in the management node 10 as necessary, and transmits the control function to the controllers 20-22 via the network 100.
- a plurality of system configurations including a communication unit that self-generates a unique global address when connected to the network, and transmits to the network the generated global address, attribute information of the own node, and location information where the own node is installed; An element node, and a management node that monitors and operates the system element nodes via the network and manages control of the entire control system.
- a storage unit for storing definition information of the system component node
- a definition information generating unit configured to generate definition information based on the global address, the attribute information, and the position information acquired via the network, and to store the definition information in the storage unit;
- a control function providing unit that reads information that defines an operation of the system component node, and outputs the information to the communication unit;
- a control system comprising:
- system component node is at least one of a sensor, an actuator, and a controller.
- the definition information includes a global address of the system component node, an installation position, a tag, a control function, and a configuration of an operation / monitoring screen. .
- the definition information generating unit has an attribute information determining unit that determines validity of the attribute information.
- the attribute information includes at least one of a type, a manufacturer, a model, and a serial number of the own node.
- the communication unit includes an authentication unit that adds authentication data to the header of the packet and determines the validity of the packet based on the authentication data added to the received packet (
- the communication unit of the system component node multicasts a packet including the generated global address as a transmission source address to all the management nodes and system component nodes connected to the present system,
- control system wherein the communication unit of the management node receives the multicast packet and sends a response to the multicast packet to the system component node.
- the position detector detects the position using radio waves or ultrasonic waves.
- the network has a switching hub
- a system component node is connected to the switching node (1). ) Described control system.
- the communication unit S of the system component node generates a unique global address, establishes communication with the management node, and transmits position information and attribute information to the management node. Then, the management node changes the definition information of the storage unit from the position information and the attribute information, and the screen generation unit displays the latest operation 'monitoring screen on the display unit. As a result, every time a system component node is changed, the operation can be started immediately after connecting the system component nodes that require the system designer or developer to change the storage unit with great effort. . Therefore, the system configuration can be changed in a short time, and the efficiency of system construction, operation, and maintenance can be dramatically improved.
- the definition information generation unit automatically detects the content of the storage unit. Knowledge and correction can reduce system inconsistency.
- the communication unit since the communication unit generates a unique global address, the address does not overlap between the management node and the system component node. Therefore, there is no need for the designer or developer to check the addresses stored in the storage unit and allocate the addresses.
- the attribute information determination unit determines the validity of the attribute information from the system component node, even if a third party connects the unauthorized system component node, the unauthorized system component element node is indispensable. Data can be removed. Therefore, the reliability of the system is improved and installation errors can be prevented.
- the communication units of the system component node and the management node perform packet communication. Therefore, it can be multiplexed and transmitted. This enables efficient communication even when the number of network lines is small. Also, communication can be performed between nodes having different communication speeds and communication means.
- the authentication unit of the communication unit adds authentication data to the header of the packet. Also, since the validity of the received packet is determined based on the authentication data, the validity of the packet can be easily determined at the packet level, and the reliability of the system is improved.
- the encryption processing unit of the communication unit encrypts and transmits the packet, it is possible to prevent data in the packet from being leaked or falsified, thereby improving security.
- a packet including the generated global address as a source address is multicast to all the management nodes and system component nodes connected to the system, and the communication unit of the management node Since the received packet is received and a response to the received packet is sent to the system component node, the system component node can automatically recognize the management node.
- the communication unit uses Internet Protocol Specification IPv6 as a communication protocol for connecting to the network
- the specifications include packet encryption, addition of authentication data to the packet header, and generation of a Gronore address. Can be done along.
- the position detection unit detects the position where the own node is installed, even if the installation position is misunderstood, the installation position is displayed on the display screen of the display unit, so that an installation error can be prevented. .
- the switching hub is provided between the network system component nodes, only packets other than communication to the system component nodes in the same switching hub are transmitted to the network. As a result, the traffic of the network can be reduced.
- the controller's self-learning means learns more suitable control functions by transmitting and receiving input / output signals from the sensors and actuators and reflects them in the storage unit of the management node. Operation ⁇ Monitor screen power It is not necessary to find the optimal control function and store it in the storage unit. As a result, the number of man-hours required after the system configuration is changed can be reduced.
- FIG. 1 is a configuration diagram of a control system in a conventional IA.
- FIG. 2 is a configuration diagram showing a first embodiment of the present invention.
- FIG. 3 is a diagram showing a configuration example of a system component node 40 of the system shown in FIG. 2.
- FIG. 4 is a diagram showing a configuration example of a management node 50 of the system shown in FIG. 2.
- FIG. 5 is a diagram showing an operation example of the system shown in FIG. 2.
- FIG. 6 is a configuration diagram showing a second embodiment of the present invention.
- FIG. 7 is a configuration diagram showing a third embodiment of the present invention.
- FIG. 2 is a configuration diagram showing a first embodiment of the present invention.
- FIG. 3 is a diagram showing a configuration of the system component node 40.
- FIG. 4 is a diagram showing the configuration of the management node 50.
- the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.
- controllers 20-22, sensor 30, and actuator 31 instead of controllers 20-22, sensor 30, and actuator 31, controller C (l)-C (3), sensor SN (1)-SN (4), actuator AC (1 ) —
- the AC (4) is connected to the network 100 (three controllers, four sensors and actuators are connected as an example in FIG. 2, but any number of them may be connected).
- system component nodes 40 are not connected in a plurality of layers as in the apparatus shown in FIG. 1, but are connected to the network 100 in the same layer.
- Each of the controller C (l) and C (3), the sensor SN (1) —SN (4), and the actuator AC (1) —AC (4) are a communication unit Tr, a position detection unit 41, and attribute information. It has a holding unit 42, a control function obtaining unit 43, a control function holding unit 44, and an execution unit 45.
- the communication unit Tr includes an address generation unit Trl, an authentication unit Tr2, and an encryption processing unit Tr3, and is connected to the network 100.
- the communication unit Tr is a communication protocol for connecting to the network 100. Packet communication is performed using the Internet Protocol version 6 (Internet Protocol version 6) as the mouth connection.
- the address generation unit Trl When connected to the network 100, the address generation unit Trl generates a leaky global address according to the IPv6 specification.
- the authentication unit Tr2 adds authentication data to the packet header according to the IPv6 specification. Also, the validity of the packet is determined based on the authentication data added to the received packet.
- the encryption processing unit Tr3 encrypts the plaintext packet to be transmitted, and returns the received encrypted packet to the original plaintext.
- the position detection unit 41 is, for example, a GPS that performs position measurement using radio waves from artificial satellites.
- the attribute information holding unit 42 holds attribute information unique to the own node (including at least one of the type of the own node (controller, sensor type, type of actuator, etc.), manufacturer, model, and serial number). Then, the attribute information is output to the communication unit Tr.
- the control function obtaining unit 43 obtains the control function from the communication unit Tr and stores it in the control function holding unit 44.
- the execution unit 45 reads out and executes the control function stored in the control function holding unit 44 based on the data acquired by the communication unit Tr, and outputs the execution result to the communication unit Tr.
- a management node 50 is provided.
- the management node 50 stores the definition information DB51a-51e (DB51a-51e is a storage unit), a communication unit Tr, a definition information generation unit 52, a control function providing unit 53, a screen generation unit 54, and a display unit. 55, which is connected to the network 100 to define, monitor, and operate the plant, and manage control of the entire plant.
- the system configuration definition DB 51a stores, as definition information, an attribute including a position where the controller C (1) -C (3) is installed.
- Network definition DB51b stores the global address of controller C (l) -C (3), sensor SN (1) —SN (4), and actuator AC (1) —AC (4).
- Tag definition DB51c has attributes including tags of controller C (l) -C (3), sensor SN (1) —SN (4), actuator AC (1) —AC (4), and sensor SN (1) — SN (4), Actuator AC (1) — Stores the installation location of AC (4).
- Control function definition DB51d has a control function that defines the operation of the controller C (l) -C (3), the sensors SN (1) —SN (4), and the actuators AC (1) —AC (4).
- Troller C (l) If C (3), sensor SN (1) —SN (4), actuator AC (1) —AC (4) Monitoring program for upper and lower limit values for force signals, sensor SN (1) — SN (4) Actuator AC (1) — Controls AC (4) based on force signal PID control parameters and control program, sensor SN (1) — SN (4), which controls and monitors Actuator AC (1)
- One AC (4) is defined.
- the input / output method and format of the input / output signal are used.
- the DB 51e stores operation / monitoring screen configuration information for displaying a system configuration on the display unit 55, displaying a graphic for causing an operator to perform an operation, and the like.
- the definition information stored in DB51a-DB51e is collectively referred to as a system definition information group.
- the definition information generation unit 52 has a position determination unit 52a and an attribute information determination unit 52b, generates definition information of a system definition information group according to the data of the communication unit Tr, and stores it in the DB 51a-51e.
- the position determining unit 52a determines a position where the system component node 40 is installed in the plant.
- the attribute information determining unit 52a determines the validity of the attribute information of the system component node 40.
- the control function providing unit 53 reads the control function from the control function definition DB 51d and outputs it to the communication unit Tr.
- the screen generation unit 54 reads the operation / monitoring screen definition information from the operation / monitoring screen definition DB 51e, and causes the display unit 55 to display the operation / monitoring screen.
- a system design for controlling the plant is performed. Similar to the device shown in Fig. 1, the plant designer or developer, etc. sends the controller C (l) -C (3), the sensors SN (1) —SN (4), the actuator AC (1) —AC (4 ) The number, specifications, installation location, etc. of the equipment are designed. Then, position information and the like where the controllers C (l) and C (3) are installed are defined in the system configuration definition DB 51a. Note that it is not necessary to define the network address of the controller C (l) -C (3), the sensor SN (1) -SN (4), and the actuator AC (1) —AC (4) in the network definition DB5 lb.
- the tags of the controller C (1) -C (3), the sensor SN (1) —SN (4), the actuator AC (1) -AC (4), and the sensor SN (1) —SN (4) ), Actuator AC (1) — AC (4) setting The placement position and the like are defined in the tag definition DB51c.
- the tag definition DB51c uses a system such as sensor SN (1)-SN (4), actuator AC (1)-AC (4), which controller C (1)-C (3) controls.
- Related information between the component nodes 40 is also defined.
- control function to be performed by the system component node 40 is defined in the control function definition DB 51d.
- operation “monitoring screen configuration DB51e” is defined as the operation “monitoring screen configuration” for performing a process corresponding to the operator's operation.
- the management node 50 is connected to the network 100.
- the address generation unit Trl of the communication unit Tr of the management node 50 generates a unique global address according to the IPv6 specification.
- FIG. 5 is a diagram illustrating the operation of installing the system component node 40.
- the address generation unit Trl of the communication unit Tr of the system component node 40 When the system component node 40 is connected to the network 100, the address generation unit Trl of the communication unit Tr of the system component node 40 generates a unique global address (SQ1). Then, the communication unit Tr generates a packet with the address generated by the address generation unit Trl as the source address. Further, the authentication unit Tr2 adds predetermined authentication data to the header of the packet. The encryption processing unit Tr3 encrypts the packet to which the authentication data has been added. Then, the communication unit Tr performs link-local multicast using the encrypted packet as a scope within the local area network provided in the plant (SQ2).
- the communication unit Tr of the management node 50 receives the multicast packet. Then, the encryption processing unit Tr3 converts the encryption of the packet into plain text. In addition, the authentication unit Tr2 determines the validity at the knocket level. That is, if the authentication data included in the header of the packet is authenticated by the predetermined authentication algorithm, It is determined that the system component node 40 is connected. Then, the communication unit Tr of the management node 50 generates a packet with the address generated by the address generation unit Trl as the source address, and the authentication unit Tr2 adds predetermined authentication data to the header of the packet. Further, the encryption processing unit Tr3 encrypts the packet to which the authentication data is added. Then, the communication unit Tr transmits the encrypted packet to the address included in the received packet (SQ4).
- the communication unit Tr of the system component node 40 receives the packet transmitted to the own node. Then, the encryption processing unit Tr3 converts the received packet into plain text, and the authentication unit Tr2 determines the validity of the authentication data. If the validity is confirmed, the communication unit Tr reads and holds the address of the management node 50 included in the packet. Further, the position detection unit 41 outputs the position information where the own node 40 is installed to the communication unit Tr, and the attribute information holding unit 42 outputs the attribute information to the communication unit Tr.
- the communication unit Tr creates a packet in which the location information and the attribute information are used as data, adds authentication data to the header, encrypts the packet, and transmits the packet to the management node 50 using the address of the management node 50 as a destination. Yes (SQ5).
- the communication unit Tr of the management node 50 extracts the position information and the attribute information from the received packet (of course, the plain culture, after confirming the validity of the packet) and outputs it to the definition information generation unit 52. Then, the attribute information determination unit 52b checks whether the attribute information defined in the DB (not shown) matches the attribute information of the received packet. The items to be checked may be only desired items which can be determined based on all of the type of system component node 40, manufacturer, model, and serial number. If the attribute information does not match, it is determined that the attribute information is invalid, and the communication with the system component node 40 that has received the packet is disconnected. If the attribute information is valid, do not disconnect the communication (SQ6). Then, the position determining unit 52a of the definition information generating unit 52 determines where the system component node 40 is located in the plant (SQ7
- the definition information generation unit 52 reads information defined in the system configuration definition DB 51a and the tag definition 51c. Then, based on the position determined by the position determining unit 52a and the read definition information, it is confirmed whether the system component node 40 is installed at a correct position in the plant. If it is installed in the wrong position, operation ⁇ Monitoring screen definition DB5 le stores the position where the system component node 40 is installed. Then, when the screen generation unit 54 reads the contents stored in the operation / monitoring screen definition DB 51e and displays the warning installed at the wrong position, the currently installed position, and the correct position on the display unit 55, Good. Then, after confirming that the system component node 40 has been installed at the correct position, the global address of the system component node 40 is added to the network definition DB 51b (SQ8).
- control function providing unit 53 reads out the tag from the tag definition DB 41c, reads out the control function from the control function definition DB 51d, and outputs it to the communication unit Tr. Further, the communication unit Tr creates a packet using the tag and the control function as data, adds authentication data to the header, and performs encryption. Then, the data is transmitted to the system component node 40 and downloaded (SQ9).
- the system element node 40 at the address destination converts the packet received from the management node 50 into plain text, determines the validity of the authentication data, and acquires the control function included in the packet. Output to part 43. Then, the control function acquisition unit 43 converts the data into an executable format and stores it in the control function holding unit 44 (SQ10). This completes the initial installation when building the system.
- the system component node whose installation has been completed periodically multicasts a packet containing an identifier indicating that it is operating normally to the management node 50 and the related system component node 40 by itself. I do.
- the management node 50 receives a packet including an identifier indicating normal operation from a specific system component node 40 by polling.
- the operation of the control system can be monitored and monitored from the management node 50 on the screen, and the management for controlling the plant can be performed.
- the execution unit 45 of the sensor SN (1) SN (4) reads out the control function from the control function holding unit 44 and performs measurement. Own node SN (1) —Controls SN (4) and outputs the results to the communication unit Tr. Then, a packet having the communication unit Tr result of the sensor SN (1) and SN (4) as a data is generated, the authentication data is added to the header, the controller is instructed by encrypting and instructing, and the controller C (l) and C Send to (3).
- the execution unit 45 of the actuator AC (1) —AC (4) reads out the control function from the control function holding unit 44, and follows the instruction. Performs control (valve opening / closing, motor on / off, etc.) and outputs the control result to the communication unit Tr. Then, a packet having the communication unit Tr power result of the sensor AC as data is generated, the authentication data is added to the header, and the packet is encrypted and transmitted to the controller C (1) -C (3) which instructed.
- the distributed controllers C (l) and C (3) transmit packets from the communication unit Tr of various sensors SN (1) to SN (4) to the controllers C (1) and C ( The communication unit Tr in 3) receives it. Then, using the data of the received packet, a predetermined control operation or the like is performed, and each of the actuators AC (1) -AC (4) is operated to control the plant. Also, the controller C (l) -C (3) monitors the upper and lower limits for input data and output data, etc., and if the upper and lower limits are exceeded, an alarm (alarm) indicating that The signal is converted into a packet and transmitted to the management node 50 via the network 100.
- controllers C (1) and C (3) Various control functions handled by the controllers C (1) and C (3) are sent to the management node 50 via the network 100, and the management node 50 displays the plant control function on the display unit 55. And monitoring results are displayed. Then, the operator monitors the display unit 55, resets the control function for operating and operating the plant to the management node 50 as necessary, and controls the controller C (1) via the network 100. I have C (3) transmit.
- attribute information of a system component node (for example, sensor SN (1) -SN (4)) to be added is stored in a DB (not shown) of the attribute information determination unit 52b of the management node 50.
- the sensor SN (1) —SN (4) is connected to the network 100.
- the management node 50 and the sensor SN (1) —SN (4) force From address generation (SQ1) to determination of the installation position of the sensor SN (1) —SN (4). (SQ7).
- the definition information generation unit 52 checks whether there is a network address of the sensor SN (1) -SN (4) from the network address definition DB5 lb. Judge that SN (4) is newly added. And the network definition DB51b Add a new work address and define it, and add a new tag to the tag definition DB51c. For the tag, for example, a serial number portion may be created, and a new number may be added. Also, define the type of the sensor SN (1)-SN (4) and the installation position in the operation 51 monitoring screen definition DB51e. As a result, the screen generation unit 54 reads new definition information from the operation / monitoring screen definition DB 51e, and displays an operation / monitoring screen on which the sensors SN (1) to SN (4) are added on the display unit 55.
- the definition information on the system component node 40 related to the sensors SN (1) to SN (4) is also changed from the installation position.
- the areas are divided at the time of system design, and the system component node 40 included in the area where the sensors SN (1) to SN (4) are installed is targeted.
- the control functions of the controllers C (l) and C (3) perform control calculations based on the input signals of the sensors SN (1) and SN (4), and the actuators AC (1) and AC (4) Is defined to operate.
- the definition information generation unit 52 averages the output values of the neighboring sensors SN (1) —SN (4).
- the definition information generation unit 52 generates and stores the definition information of the related DBs 51a to 54e.
- the control function providing unit 53 transmits the sensor SN (1) —SN (4) and the system component node related to the sensor SN (1) —SN (4).
- the tag and the control function are downloaded (SQ9), and the received packet is converted into data in a control function obtaining unit 43 executable format and stored in the control function holding unit 44 (SQ10). .
- the system element node 40 that has completed the installation periodically multicasts a packet including an identifier indicating that the system element is operating normally to the management node 50 and the related system element node 40. are doing.
- the management node 50 has received a packet including an identifier indicating normal operation from a specific system component node 40 by polling.
- the definition information generation unit 52 of the management node 50 If a packet including the identifier of the system component is not received for a predetermined period, it is determined that the system component node (for example, the actuator AC (1) —AC (4)) has been disconnected from the network 100 and has been deleted.
- the actuator AC (1) that does not receive the packet is erased from the network definition DB5 lb of the global address of AC (4), and the definition information of the actuator AC (1) one AC (4) is deleted from the tag definition DB51c. I do. Furthermore, the definition information related to the actuator AC (1) —AC (4) stored in the operation / monitoring screen definition DB51e is also deleted. As a result, the actuator AC (1) —AC (4) is not displayed on the operation monitor screen displayed by the screen generator 54. In addition, from the installation position of the actuator AC (1) —AC (4) included in the tag definition DB51c, the definition information on the system component node 40 related to the actuator AC (1) —AC (4) is also changed.
- Replacing the system component node 40 means, for example, a temperature sensor using a thermocouple that does not require replacing a thermocouple of the same type in a temperature sensor that is a type of sensor SN (1) —SN (4). Is replaced with a radiation temperature sensor.
- the communication unit Tr of the system component node 40 generates a unique global address, establishes communication with the management node 50, and transmits position information and attribute information to the management node 50. . Then, the management node 50 changes the definition information of the DBs 51a to 51e from the position information and the attribute information, and the screen generation unit 54 displays the latest operation / monitoring screen on the display unit 55. As a result, every time the system component node 40 is changed, the operation starts immediately after connecting the system component node 40, which is necessary for the system designer or developer to change DB51a-51e with a lot of man-hours. be able to. Therefore, the system configuration can be changed in a short time, and the efficiency of system construction, operation, and maintenance can be significantly improved.
- definition information generation unit 52 may use DB51a-51e. Self-detection and correction of the contents of the system, it is possible to suppress system inconsistency.
- the attribute information determination unit 52b determines the validity of the attribute information included in the received packet, even if the third party connects the unauthorized system component node 40, the unauthorized system Data from component node 40 can be removed. System reliability is improved and installation errors can be prevented.
- the communication units Tr of the system component node 40 and the management node 50 perform packet communication, so that they can be multiplexed and transmitted. As a result, communication can be performed efficiently even when the number of lines of the network 100 is small. Also, communication can be performed between nodes 40 and 50 having different communication speeds and communication means.
- the authentication unit Tr2 of the communication unit Tr adds authentication data to the header of the packet. Also, since the validity of the received packet is determined based on the authentication data, the validity of the packet can be easily determined at the packet level, and the reliability of the system is improved.
- the encryption processing unit Tr3 of the communication unit Tr encrypts and transmits the packet, it is possible to prevent data in the packet from being leaked or tampered with, thereby improving security.
- the communication unit Tr Since the communication unit Tr generates a unique global address, the address does not overlap between the management node 50 and the system component node 40. Therefore, there is no need for designers and developers to check the addresses stored in the network address definition DB5 lb and assign addresses.
- the communication unit Tr of the system element node 40 Tr A packet including the generated global address as a source address is multicast to all the management node 50 and the system element node 40 connected to the system, and Since the communication unit Tr receives the multicast packet and sends a response to the received packet to the system element node 40, the system element node 40 can automatically recognize the management node 50.
- the communication unit Tr uses the Internet protocol specification IPv6 as a communication protocol for connecting to the network 100, it specifies packet encryption, addition of authentication data to a packet header, and generation of a global address. Can be done along.
- IPv6 Internet protocol specification
- the position detection unit 41 Since the position detection unit 41 detects the position where the own node is installed, the position detection unit 41 mistakes the installation position. Even if it does, the installation position is displayed on the display screen of the display unit 55, so that an installation error can be prevented.
- FIG. 6 is a configuration diagram showing a second embodiment of the present invention.
- a switching hub SH1-SH3 having a plurality of ports is provided in the network 100.
- the switching hubs SH1 to SH3 are provided between the network 100 and the system component node 40.
- the sensors SN (1) —SN (4) and the actuators AC (1) —AC (4) that transmit and receive packets to and from the controller C (l) -C (3) are the same.
- Each of the switching hubs SH1 and SH3 has an address tape holder for holding the address of the system component node 40 connected to the port.
- each port of the switching hubs SH1 to SH3 has a bridge function and a bridge means.
- the operation of the device shown in FIG. 6 is almost the same as that of the device shown in FIG. 2, except that the switch chinda hub SH1—SH3 reads the destination address contained in the header of the packet from the management node 50, and reads the address table. And sends it to the destination system component node 40. Also, among the packets from the system component node 40, when the system component node 40 connected to the same switching node SH1 to SH3 as the system component node 40 is the destination, the switching hub SH1 to SH3 network The packet is not transmitted to 100, and the packet is transmitted only to the destination system component node 40. Of course, when the destination is the management node 50 and the system component node 40 connected to the different switching hubs SH1 to SH3, the packet is transmitted to the network 100.
- the switching hub SH1-SH3 is provided between the network 100 and the system component node 40, only packets other than communication to the system component node 40 in the same switching hub SH1-SH3 are provided. To the network 100. As a result, the traffic of the network 100 can be reduced.
- each port has a bridge means, one-to-one communication can be performed between the ports. Yes, while one set is communicating, the other ports can communicate freely. Thereby, collision can be reduced.
- FIG. 7 is a configuration diagram showing a third embodiment of the present invention, and is an example in which the present invention is applied to a BA.
- controller C (4) -C (6), sensor SN (5) -SN (7), actuator AC (5) —AC (8) are connected to controller C (l) -C (3) ), Sensor SN (1) —SN (4), actuator AC (l) —provided instead of AC (4) and connected to network 100.
- the sensors SN (5) -SN (7), the controllers C4-C6, and the actuators AC (5) -AC (8) are system component nodes 40.
- each of the sensors SN (5) —SN (7) is an authentication sensor, a human sensor, and a temperature sensor
- each of the actuators AC (5) and AC (8) is a door (not shown). Electric locks and air conditioners. Actuator AC (6) and AC (7) are lighting.
- DB51f-51h as a storage unit is newly provided.
- the DB51f defines the daily report as the definition information, such as the amount of power consumed by the system component node 40 in one day or one month, and the number of persons who have authenticated with the authentication sensor SN (5).
- the type required for creation is defined.
- the alarm definition DB 51g defines the type of alarm from the system component node 40 as definition information.
- Schedule definition In the DB51h a schedule for operating the controllers C (4) and C (6) is defined as definition information.
- the operation of such an apparatus for initial installation and addition, deletion, and change of the system configuration node 40 is almost the same as that of the apparatus shown in FIG.
- the different operation also defines the definition information in DB51f-51h when designing the system.
- the definition information DB51f-51h is defined for the user who enters the building to spend comfortably and to control the building with minimum cost.
- Controllers C (4) and C (6) open and close the electric lock AC (5), turn on the lighting AC (6), AC (7), and turn on the air conditioning AC (8) according to the schedule in the schedule definition DB. Perform Z off.
- the operation'monitoring screen definition DB 51f, and the controller C (4) -1C (6) By transmitting and receiving input / output signals from the screen generation unit 54, the operation 'monitoring screen definition DB 51f, and the controller C (4) -1C (6), the operation' monitoring screen and daily report ' You can view the results, alarms that have occurred, and the current schedule progress!
- the control system of the present invention to the BA, it is possible to easily detect a change in the system component node 40 of each floor and each room, and to change the system configuration in a short time. it can.
- the system component node 40 is often installed under the direction of a system designer or a developer.
- BA there is a problem that the system component node 40 is independently connected to the network 100 according to the preference of the user who uses each floor and each room.
- BA there is also a problem that it is difficult to freely enter each floor and each room that manages the management node 50.
- the system component node 40 generates a unique global address, establishes communication with the management node 50, and transmits position information and attribute information to the management node 50. Then, the management node 50 changes the definition information of the DB 51a-51h from the position information and the attribute information, and the screen generation unit 54 displays the latest operation 'monitoring screen on the display unit 55.
- the BA administrator it is not necessary for the BA administrator to enter DB 51a-51h into each flow and each room, and to change the DB 51a-51h with a lot of man-hours.
- users on each floor and each room can connect the system component node 40 without contacting the administrator. Further, the operation can be started immediately after connecting the system component node 40. Therefore, the system configuration can be changed in a short time, and the efficiency of system construction, operation, and maintenance can be dramatically improved.
- the present invention is not limited to this, and may be as follows.
- the management node 50 and the system component node 40 are configured to perform communication via the network 100 in one plant or building. Communication with the component nodes 40 and communication between the system component nodes 40 may be performed via the Internet, which is a type of the network 100. That is, the management node 50 and the system component node 40 may be installed in a wide area.
- a global address can be generated in accordance with the specification of the communication unit Tr power Pv6, and secure communication can be performed. That is, since the address generation unit Trl of the communication unit Tr generates a unique global address, it can be connected to the Internet. In addition, since the authentication unit Tr2 transmits the packet with the authentication data attached to the header and determines the validity of the received packet based on the authentication data, it is possible to easily determine the validity of the packet at the knocket level. System reliability is improved. Furthermore, since the encryption processing unit Tr3 encrypts and transmits the packet, it is possible to prevent data in the packet from being leaked or falsified.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Small-Scale Networks (AREA)
- Computer And Data Communications (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/580,156 US20070078980A1 (en) | 2003-11-19 | 2004-10-15 | Control system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-389345 | 2003-11-19 | ||
JP2003389345A JP4399773B2 (ja) | 2003-11-19 | 2003-11-19 | 制御システム |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005050336A1 true WO2005050336A1 (ja) | 2005-06-02 |
Family
ID=34616247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/015239 WO2005050336A1 (ja) | 2003-11-19 | 2004-10-15 | 制御システム |
Country Status (4)
Country | Link |
---|---|
US (1) | US20070078980A1 (ja) |
JP (1) | JP4399773B2 (ja) |
CN (1) | CN100476667C (ja) |
WO (1) | WO2005050336A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1893373B (zh) * | 2005-07-05 | 2011-07-06 | 兄弟工业株式会社 | 网络节点信息的管理装置和方法 |
EP2682829A2 (en) | 2012-07-03 | 2014-01-08 | Yokogawa Electric Corporation | Process control device, process control system, and process control method |
EP2821867A2 (en) | 2013-06-24 | 2015-01-07 | Yokogawa Electric Corporation | Process control apparatus and system and updating method therefor |
EP2829931A2 (en) | 2013-07-24 | 2015-01-28 | Yokogawa Electric Corporation | Process control apparatus and system, and method for determining normality thereof |
EP2840453A2 (en) | 2013-07-17 | 2015-02-25 | Yokogawa Electric Corporation | Field device, communication system, and method for controlling field device |
US9261868B2 (en) | 2012-03-23 | 2016-02-16 | Yokogawa Electric Corporation | Process control system |
US11902035B2 (en) | 2021-04-27 | 2024-02-13 | Yokogawa Electric Corporation | Redundancy method, computer-readable recording medium, and information processing device |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030028664A1 (en) * | 2001-08-02 | 2003-02-06 | Kaijun Tan | Method and system for secure distribution and utilization of data over a network |
EP1868082A1 (de) * | 2006-06-12 | 2007-12-19 | Siemens Aktiengesellschaft | Navigation zwischen Verwendungsstellen von Ressourcen in Automatisierungssystemen |
JP2008077535A (ja) * | 2006-09-25 | 2008-04-03 | Yokogawa Electric Corp | フィールド通信システム、フィールドサーバ、フィールド機器およびフィールド通信方法 |
JP4436922B2 (ja) * | 2007-03-29 | 2010-03-24 | 株式会社日立製作所 | 最適画面呼び出し機能つきプラント監視表示装置 |
JP5092800B2 (ja) * | 2008-03-03 | 2012-12-05 | 横河電機株式会社 | フィールド機器管理装置 |
JP5305896B2 (ja) * | 2008-12-26 | 2013-10-02 | キヤノン株式会社 | 通信装置、通信装置の制御方法、及びプログラム |
JP5445904B2 (ja) * | 2009-03-05 | 2014-03-19 | 横河電機株式会社 | 動作状態監視装置およびこれを用いた動作状態監視システム |
US20110230979A1 (en) * | 2010-03-19 | 2011-09-22 | Microsoft Corporation | Scalable and flexible control system having symmetrical control units |
JP5652444B2 (ja) | 2012-08-31 | 2015-01-14 | 横河電機株式会社 | 保守支援システム及び方法 |
JP5879279B2 (ja) * | 2013-01-30 | 2016-03-08 | エヌ・ティ・ティ・コムウェア株式会社 | データ関連情報管理装置、データ通信システム、データ関連情報管理方法およびプログラム |
JP5721762B2 (ja) * | 2013-03-08 | 2015-05-20 | 三菱電機株式会社 | 設備管理システム、監視装置および監視プログラム |
JP6020476B2 (ja) | 2014-01-20 | 2016-11-02 | 横河電機株式会社 | プロセス制御装置及びその更新方法 |
DE102016005307A1 (de) * | 2016-05-02 | 2017-11-02 | Baumer Hhs Gmbh | Produktionsmaschine |
JP6716424B2 (ja) * | 2016-10-31 | 2020-07-01 | 株式会社東芝 | データ収集システム、末端装置、データ収集装置、データ収集方法及びプログラム |
JP7351602B2 (ja) | 2018-02-02 | 2023-09-27 | 横河電機株式会社 | タグ識別装置、タグ識別方法、及びタグ識別プログラム |
JP7298992B2 (ja) | 2018-02-05 | 2023-06-27 | 横河電機株式会社 | 運転評価装置、運転評価方法、及び運転評価プログラム |
JP7159416B2 (ja) * | 2020-02-21 | 2022-10-24 | 株式会社東芝 | 電子ユニット管理方法及び電子ユニット管理システム |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002097542A1 (en) * | 2001-05-31 | 2002-12-05 | Omron Corporation | Slave, network system, slave processing method, and apparatus information collection method |
JP2003134261A (ja) * | 2001-10-29 | 2003-05-09 | Yokogawa Electric Corp | フィールド機器及びこのフィールド機器を用いた通信システム |
JP2003186504A (ja) * | 2001-12-17 | 2003-07-04 | Yokogawa Electric Corp | 機器情報の取得装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6732170B2 (en) * | 1996-02-13 | 2004-05-04 | Hitachi, Ltd. | Network managing method, medium and system |
US6058420A (en) * | 1998-02-27 | 2000-05-02 | Netsolve, Inc. | Alarm server systems, apparatus, and processes |
US6437692B1 (en) * | 1998-06-22 | 2002-08-20 | Statsignal Systems, Inc. | System and method for monitoring and controlling remote devices |
WO2000078001A2 (en) * | 1999-06-11 | 2000-12-21 | Microsoft Corporation | General api for remote control of devices |
US6954790B2 (en) * | 2000-12-05 | 2005-10-11 | Interactive People Unplugged Ab | Network-based mobile workgroup system |
US6670909B2 (en) * | 2001-01-16 | 2003-12-30 | Time Domain Corporation | Ultra-wideband smart sensor interface network and method |
-
2003
- 2003-11-19 JP JP2003389345A patent/JP4399773B2/ja not_active Expired - Fee Related
-
2004
- 2004-10-15 US US10/580,156 patent/US20070078980A1/en not_active Abandoned
- 2004-10-15 CN CNB2004800341636A patent/CN100476667C/zh not_active Expired - Fee Related
- 2004-10-15 WO PCT/JP2004/015239 patent/WO2005050336A1/ja active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2002097542A1 (en) * | 2001-05-31 | 2002-12-05 | Omron Corporation | Slave, network system, slave processing method, and apparatus information collection method |
JP2003134261A (ja) * | 2001-10-29 | 2003-05-09 | Yokogawa Electric Corp | フィールド機器及びこのフィールド機器を用いた通信システム |
JP2003186504A (ja) * | 2001-12-17 | 2003-07-04 | Yokogawa Electric Corp | 機器情報の取得装置 |
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1893373B (zh) * | 2005-07-05 | 2011-07-06 | 兄弟工业株式会社 | 网络节点信息的管理装置和方法 |
US9261868B2 (en) | 2012-03-23 | 2016-02-16 | Yokogawa Electric Corporation | Process control system |
EP2682829A2 (en) | 2012-07-03 | 2014-01-08 | Yokogawa Electric Corporation | Process control device, process control system, and process control method |
US9891601B2 (en) | 2012-07-03 | 2018-02-13 | Yokogawa Electric Corporation | Process control device, process control system, and process control method |
EP2821867A2 (en) | 2013-06-24 | 2015-01-07 | Yokogawa Electric Corporation | Process control apparatus and system and updating method therefor |
US10310869B2 (en) | 2013-06-24 | 2019-06-04 | Yokogawa Electric Corporation | Process control apparatus and system and updating method therefor |
EP2840453A2 (en) | 2013-07-17 | 2015-02-25 | Yokogawa Electric Corporation | Field device, communication system, and method for controlling field device |
US9374271B2 (en) | 2013-07-17 | 2016-06-21 | Yokogawa Electric Corporation | Field device, communication system, and method for controlling field device |
EP2829931A2 (en) | 2013-07-24 | 2015-01-28 | Yokogawa Electric Corporation | Process control apparatus and system, and method for determining normality thereof |
US9891603B2 (en) | 2013-07-24 | 2018-02-13 | Yokogawa Electric Corporation | Process control apparatus and system, and method for determining normality thereof |
US11902035B2 (en) | 2021-04-27 | 2024-02-13 | Yokogawa Electric Corporation | Redundancy method, computer-readable recording medium, and information processing device |
Also Published As
Publication number | Publication date |
---|---|
JP2005149379A (ja) | 2005-06-09 |
US20070078980A1 (en) | 2007-04-05 |
CN1882893A (zh) | 2006-12-20 |
CN100476667C (zh) | 2009-04-08 |
JP4399773B2 (ja) | 2010-01-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005050336A1 (ja) | 制御システム | |
JP7133294B2 (ja) | プロセス制御システム内における携帯型フィールド保守ツールとプロセス制御資産管理システムアプリケーションの間のデータ同期の方法、プロセス制御システム内における携帯型フィールド保守ツールとプロセス制御資産管理システムアプリケーションの間のデータ一式を同期するためのシステム、および携帯型フィールド保守ツール | |
JP6990534B2 (ja) | 携帯型フィールド保守ツールとプロセス制御デバイス間のプロセス制御通信 | |
JP7098287B2 (ja) | プロセス制御通信アーキテクチャ | |
Lee et al. | Open standards for homeland security sensor networks | |
CN106164790A (zh) | 具有环路供电的无线收发机的过程变量变送器 | |
EP2000920B1 (en) | Network system | |
JP2005020738A (ja) | 機械要素相互間の及びリモート・サイトとのデータ通信を行う機械要素のための選択的に分離される機器エリア・ネットワークを提供する方法及び装置 | |
CN103856473B (zh) | 主要管理装置、代理管理装置、电子装置及密钥管理方法 | |
CN107196913A (zh) | 信息处理系统、信息处理装置和方法以及服务器装置 | |
EP3345057A1 (en) | System, device and method for automatic commissioning of application control systems | |
CN103583029A (zh) | 控制系统和用于控制系统的配对方法 | |
JPWO2014112581A1 (ja) | 機器管理装置、機器管理システム、機器管理方法及びプログラム | |
CN207976986U (zh) | 基于NB-IoT无线通信技术的动力环境监控系统 | |
JP2004280430A (ja) | 機器監視装置及び機器監視装置の認証方法 | |
Iyengar et al. | Foundations of data fusion for automation | |
JP2006330881A (ja) | 端末機器の設定方法 | |
WO2005103976A1 (ja) | ノウハウサービスシステム | |
WO2023238298A1 (ja) | 制御装置、制御システム、機器制御方法およびプログラム | |
JP7266925B1 (ja) | 診断装置及び診断方法 | |
JP7438465B1 (ja) | 制御装置、制御システム、機器制御方法およびプログラム | |
Murthy et al. | An elastic IoT device management platform | |
JP2010034707A (ja) | 機器管理システム | |
JP2003283526A (ja) | 通信端末および通信システム | |
KR100554675B1 (ko) | 전력설비용 다기능 제어 터미널 유닛의 원격 분석/통제시스템 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200480034163.6 Country of ref document: CN |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2007078980 Country of ref document: US Ref document number: 10580156 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: DE |
|
122 | Ep: pct application non-entry in european phase | ||
WWP | Wipo information: published in national office |
Ref document number: 10580156 Country of ref document: US |