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JP2008181240 |
To switch between a main system and an auxiliary system appropriately and smoothly when a fault occurs in CSV or in an LOC in redundant configuration.In a redundant distributed control system, a plurality of control server stations CSV(1...
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JP2008176806 |
To provide a device and a method for controlling the setting of an input/output device in a process control system.A device processor specifies a specific version of input/output communication software used by a control device, using an ...
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JP2008171355 |
To provide a plant control system, which can control an operation part without going via a network, and which quickly copes at the occurrence of failures by minimizing delay in the transmission of operation.This plant control system 100 ...
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JP2008171439 |
To prevent mischief using a forced interruption function.A reinput determining part 13 receives a forced interruption signal from a forced interruption inputting means 5, and a forced stopcock closing signal is outputted when a forced in...
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JP2008158928 |
To provide a teach pendant with deadman switch, reducing an operator's fatigue.In the teach pendant with a deadman switch which outputs an OFF signal in no operation, ON signal in normal operation, and OFF signal in perfect operation, an...
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JP2008158769 |
To monitor the matching of setting information stored in an interlock device and a controller.A substrate processing system 10 is provided with a host PC100 and a safety PLC300. The safety PLC300 stores setting information for operating ...
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JP2008146239 |
To provide a duplication control device which corrects multi-bit errors and performs a restoring operation of multi-bit errors during the continuing operation without stopping a controller when multi-bit errors in the memory part occur, ...
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JP2008146236 |
To provide a duplex control device which improves redundancy with simple structure for changing a control right and without making system composition complicated, and also provide a redundancy method of its control right setting signal.A...
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JP2008140010 |
To provide a technique for preventing unauthorized operation of a control program in an electronic-mechanism composite device adapted to attain an intended function by controlling operation of a mechanical mechanism part by an electronic...
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JP2008135027 |
To provide a drop requiring no additional hardware, which conventionally used in each system drop for observing a system and executing other control functions, nor software related to the hardware.A distributed process control system dro...
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JP2008129622 |
To apply an operation right of a specific screen group to a lower-order PC which requests the operation of a screen.A higher-order PC 100 is connected to a plurality of lower-order PC 200 for controlling a plurality of PM or TM. The high...
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JP2008122224 |
To suppress damage from spreading by preventing occurrence of secondary disaster by inhibiting resumption of a shut-off device according to earthquake occurrence situations.The gas shut-off device includes: a flow rate measurement proces...
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JP2008123171 |
To provide a field network system with duplicate function blocks.The field network system, which comprises field devices interconnected by a network, is provided with a function block; an input duplicating function for supplying an input...
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JP2008123118 |
To improve visibility of an operator in an operating state, and to easily adjust operations from a plurality of places, and to achieve a highly reliable operation.This operation support system is provided with a means for storing operati...
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JP2008118518 |
To provide a plant monitoring controller by which advance verification of a program for update is easily performed and switching between an execution operation of the program for update and an execution operation by the previous executio...
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JP2008117425 |
To prevent a malicious mischief using a forcible shutoff function.When a shutoff permission judgement part 8 judges that a gas flow rate is absent from the flow rate signal of a flow rate sensor part 1, the reception of forcible shutoff ...
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JP2008117197 |
To provide a safety device of an automatic driving apparatus, and a method of controlling the automatic driving apparatus capable of preventing a collision between a movable portion and an operator or the like while enabling the movable ...
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JP2008112265 |
To provide a duplex output device and the like that prevent a disturbance due to an inter-module interference when a standby side module is removed or attached.A current output module 1A and a current output module 1B are butt-joined at ...
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JP2008107926 |
To provide a drive control device enhanced in reliability and safety in abnormality detection.The drive control device comprises an electric power control part 214 controlling electric power supplied to motors 31, 32 serving as a drive p...
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JP2008108103 |
To provide a duplicate current output device capable of adjusting a supply current to external equipment when switching the duplication.A current output module 10 and a current output module 20 are connected in a duplicated manner to ext...
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JP2008107943 |
To provide a stable robust control unit capable of stably holding the posture of an underwater sailing body even when a certain steering source is failed and steering sources capable of normally operating are left.The stable robust contr...
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JP2008105109 |
To provide a driving controller enhancing reliability and safety in the detection of abnormality.The driving controller is provided with an electric power control part and a driving controlling CPU, and also is provided with a first abno...
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JP2008107224 |
To provide an analog output device capable of detecting wiring abnormalities and hardware abnormalities in a separated state, accurately acquiring current that flow in external equipment, and executing proper fail-safe processing accordi...
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JP2008102953 |
To provide a configuration system used in a process plant including a safety network, a process control network, and a user workstation connected to the safety network and the process network through a shared communication network to com...
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JP2008102954 |
To provide a safety logic module system, used in a safety network disposed in a process plant.The process plant includes a process controller connected to a process control input/output device for performing a process control function, a...
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JP2008101864 |
To secure safety in consuming power source capacity by performing confirmation while changing battery consumption determining conditions when an use capacity of a battery power source portion is over a specific value.A battery use time d...
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JP2008097347 |
To provide a motor control device preventing damage in an apparatus by sensing the abnormality in gap control within a short time period.The motor control device includes a position control unit 11 for position controlling a motor 2 by c...
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JP2008097443 |
To shorten time required until the driving stop of an industrial robot while attaining reduction of wiring.A safety terminal 16 has an input terminal 21A and an output terminal 21B to be in terminal connection with a PLC circuit 15 carry...
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JP2008090600 |
To provide a protective operation control system for a control device for driving an electric rolling stock, rapidly performing appropriate protective operation without time-series delay due to serialization of failure detection signals ...
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JP2008083965 |
To provide a monitoring device having a setting switch which can switch input specifications and capable of maintaining fail safe design.The monitoring device capable of connecting a plurality of sorts of switches or sensors can be achie...
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JP2008077687 |
To provide a process control system embedded with a safety system.The safety system is provided with a first safety logic device communicably connected to a first safety field device and storing a first safety logic module, a second safe...
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JP2008059025 |
To solve the problem in an existing gas shutoff device that in a voltage determination of a battery power part, it is not considered that the internal resistance of the battery power part increases for a fixed time and decreases even aft...
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JP2008055980 |
To provide a control device capable of continuously operating WDT function even when a rewriting setting signal becomes in the boot mode set state during execution of a control program of a micro-computer, and re-activating the micro-com...
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JP2008059163 |
To enhance the accuracy of personal authentication for operators without reducing operability.This building monitoring apparatus includes a personal authentication DB 21 in which operator information and registered fingerprint data are s...
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JP2008059263 |
To provide a gas shutoff device that ensures safety when the power capacity of a battery power part is consumed.A lowest battery voltage determination part 13 inputs a battery voltage periodically and makes a voltage drop detection deter...
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JP2008053868 |
To improve the reliability of a system by making a simple transmission monitoring device redundant, to install transmission monitoring devices in respective systems, since only a center monitoring device which monitors transmission syste...
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JP2008047107 |
To secure process control as much as possible.At least one process module and at least one security module control at least one process device to be controlled, and a process signal of a process module indifferent to security is mutually...
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JP2008046731 |
To prevent response delay of an active system controller to control object equipment while synchronizing the control state of the active system controller with the operation state of a standby system controller.This controller is provide...
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JP2008047024 |
To provide an analog signal holding device always holding an analog output signal before failure when the failure occurs in an analog output device, for detecting the drop of the level of an analog signal line which cannot be detected in...
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JP2008040998 |
To provide a safe instrumentation system capable of suppressing the load of engineering and operating equipment at the side of the safe instrumentation system via a plant control system.An instruction conversion means 11 converts the dat...
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JP2008040848 |
To reduce the number of cores of a signal cable and the burden to a CPU, in a monitoring circuit by which operations of auxiliary relays of an output circuit for external display is monitored on the CPU side.The CPU outputs operation sig...
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JP2008040682 |
To provide an abnormality monitoring device which does not deliver incorrect determination on whether amount of features of an object signal is normal or abnormal, even if used for equipment which changes with lapse of time.Sounds and vi...
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JP2008033570 |
To provide a control system capable of securing safety and robustness of a system.This control system 4 has a host computer 1 and a programmable display 3 mutually connected to the network. The programmable display 3 has a display 5 disp...
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JP2008033536 |
To provide an electronic control unit capable of reducing a communication load when mutually supervising between two control units.The electronic control unit includes a first control unit 1 and a second control unit 2. The first control...
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JP2008022590 |
To properly detect an abnormality in the operation of a servomotor.This servomotor monitoring device comprises: a magnetic pole position calculation means 20 which takes out a magnetic pole position signal of the servomotor from motor dr...
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JP2008021057 |
To perform temperature monitoring by selecting a suitable thermocouple in accordance with various failure/abnormality generation states in temperature monitoring using two thermocouples.A change-over switch 23 switches temperature detect...
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JP2008020957 |
To increase the reliability of a control system at low costs.Control programs 81 to 8n are loaded to respective PLC31 to 3n, and control programs 81 to 8n of the adjacent PLC31 to 3n are respectively loaded on PLC32 to 3n+1 other than th...
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JP2008021264 |
To provide a digital output holding device easily exchanging digital output cards with a simple configuration during maintenance or when exchanging cards because a failure occurs in a digital output card, or the like.The digital output h...
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JP2008009794 |
To provide a programmable electronic apparatus which operates at higher speed while satisfying requirements as functional safety (normal operation of apparatus) and has synchronism during start and stop, and multiple system switching.A s...
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JP2008004113 |
To provide an emergency shutdown test operable at any time, allowing observation of actions.A controller 44 in an emergency shutdown device 10 is provided with a processor, a memory connected to the processor, and an auxiliary input 34 c...
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