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[null,"C&I Interface Signals for MV Switchgear "]
[]
[null,"Standard Circuit Name","Incomer","Inter-connector","Transformer Feeder","Motor","Bus \nSection"]
[null,"Standard Circuit No","*PA1200","*PA0800","*PA700\n& \n*PA1000","*PA0100 \n&\n*PA0400","*PA1400 "]
["Input/Output\nSignals","Signal Description",{"$nulls":5},"Normal Operation DCS I/O status","Input/Output"]
[null,"Commands "]
[1,"Command Stop","X","X","X","X",null,null,"Input"]
[2,"Command Run","X","X","X","X",null,null,"Input"]
[null,"Alarm, Indication and Trip Signals"]
[3,"\"Circuit' Open/Stopped","X","X","X","X","X",null,"Output"]
[4,"\"Circuit' Closed/Running","X","X","X","X","X",null,"Output"]
[5,"Emergency Trip Initiated","X",null,null,"X",null,null,"Output"]
[6,"Interlock Active","X","X","X","X","X",null,"Output"]
[7,"Protection Trip (Generic)","X","X","X","X","X",null,"Output"]
[8,"Thermal Overload Trip",{"$nulls":3},"X",null,null,"Output"]
[9,"Undervoltage Alarm/Trip","X","X",null,"X",null,null,"Output"]
[11,"Thermal Overload Alarm",{"$nulls":3},"X",null,null,"Output"]
[14,"Switchgear Healthy","X","X","X","X","X",null,"Output"]
[15,"Protection/Control Healthy","X","X","X","X","X",null,"Output"]
[16,"DC Control Power Supply Healthy","X","X","X","X","X",null,"Output"]
[17,"Frequent Start Inhibitor",{"$nulls":3},"X",null,null,"Output"]
[18,"Chop-over Failure","X","X",{"$nulls":4},"Output"]
[19,"Busbar Earthswitch Applied","X","X",null,null,"X",null,"Output"]
[20,"Cable Earthswitch Applied","X","X","X","X","X",null,"Output"]
[21,"Switchgear on Remote Control","X","X","X","X","X",null,"Output"]
[22,"Switchgear on Local Control","X","X","X","X","X",null,"Output"]
[23,"Breaker Racked In","X","X","X","X","X",null,"Output"]
[24,"Breaker Racked Out","X","X","X","X","X",null,"Output"]
[null,"Measurement Signals"]
[27,"Current","X","X","X","X","X",null,"Output"]
[29,"Cable  Voltage","X","X","X","X",null,null,"Output"]
[31,"Busbar Voltage","X","X","X","X","X",null,"Output"]
["External\nSignals"]
[32,"Command Trip 1 (Emergency Trip 1)",{"$nulls":3},"X",null,null,"Input"]
[33,"Command Trip 2 (Emergency Trip 2)",{"$nulls":3},"X",null,null,"Input"]
["IO Count",null,17,17,12,22,14]
[]
[]
["NOTES ON STATUS OF PLANT"]
[1,"X - Indicates that a function is applicable to a particular Protection Scheme\nIn case of Undervoltage Alarm/Trip, Alarm applies to Incomers (4PA1200) and Interconnectors (4PA0800) while Trip applies to Motor Feeders"]
[2,"Boiler Protection System Interlock is a signal that should be sent to the BPS when the motor (drive) is running. "]
[3,"Interlock active will be sent to the DCS to inhibit control in a case where the breaker can not be operated from the DCS due to block by the electrical interlocks."]

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