Interlocks for Integrated Cable Test Facility of RS1 and RS2
The logic for operating the cable test facility and cable test switch (RS1 and RS2) based on the current state of the unit is shown in the below Table – Ringmaster AirSeT Interlocks with Cable Test Facility and Cable Test Switch (RS1 and RS2).
Ringmaster AirSeT Interlocks with Cable Test Facility and Cable Test Switch (RS1 and RS2)
|
Ringmaster AirSeT Interlocks with Cable Test Facility and Cable Test Switch (RS1 and RS2) |
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|---|---|---|---|---|---|---|---|---|
|
Logic position of functional unit |
Position before operation |
Operation wished |
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|
Switch |
Cable test facility |
Close the switch |
Open the witch |
Close the E/S |
Open the E/S |
Close the cable test access |
Open the cable test access |
|
|
ON |
Closed |
Closed |
– |
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|
OFF |
Open |
Closed |
– |
|||||
|
Earthed |
Earthed |
Closed |
– |
– |
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|
Earthed |
Earthed |
Open |
– |
– |
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|
Free |
|
|
Locked |