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Download caution - Schneider Electric
Transcript
Equipment Control The stop command (Stop) is issued and output (OP) is set LOW when the run feedback (FbRun) is set LOW. Run output (Run) is set LOW and command (SeqStop) is given to the next device to stop. The quick stop command (QStop) is issued and output (OP) is set LOW and command (SeqStop) is given to the next device to stop. Interlock Types There are 4 types of interlocks. The result of individual interlock condition blocks is connected to these interlock pins: Interlock Name Parameter Description Starting Interlock StartILck These interlocks are valid before motor start-up only. Safety Interlock SftyILck All the safety conditions are taken into consideration. This input is active in all the modes. Sequential Interlock SeqILck All the sequential conditions are taken into consideration. This input is active only in Auto mode. Process Interlock ProcILck All the process conditions are taken into consideration. This input is active in Auto and Manual mode. The status of the interlock is displayed in the popup. Detailed description of the interlocks is displayed in the Interlock tab of the popup. The availability (Avail) of the motor is continuously monitored. If motor is started and it is not operational, the motor is tripped, and an alarm is generated. The overload feedback (OverLoad) of the motor is continuously monitored. If motor is started and it is not operational, the motor is tripped, and an alarm is generated. The alert and trip are indicated in the SCADA. The number of active alarms is shown in the popup of the motor. The details of the active alarms are shown in the Alarm tab of the popup. Based on configured conditions, the alarms for this block can be inhibited by connecting the logic to the input pin AlmInh. The input pin AlmRst that is connected from GrpCtrl block or the operator from popup can reset the trip alarms. 318 EIO0000000886 07/2011
