Sto Function Activation And Indication Response Times; Module Response Times Only; Response Times With Typical Safety Relay - ABB ACS800 Series Application Manual

Industrial drives, safe torque off function (+q967)
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STO function activation and indication response times

Module response times only

STO activation and indication response times
STO activation response time
STO indication response time
1)
STO activation response time = delay between de-energizing the STO input and switching off the drive/
inverter output bridge
2)
STO indication response time = delay between de-energizing the STO input and indication of STO input de-
energization

Response times with typical safety relay

STO activation and indication response times
STO activation response time
STO indication response time
3)
STO activation response time = delay between de-energizing the STO relay and switching off the drive/
inverter output bridge
4)
STO indication response time = delay between de-energizing the STO relay and indication of STO input de-
energization
Typical response time
1)
2 ms
2)
1.5 ms
Typical response time
3)
52 ms
4)
51.5 ms
Maximum response time
20 ms
-
Maximum response time
70 ms
-

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