Connecting The Push Button Fault Indication - ABB Q951 User Manual

40 Electrical installation
Installation procedure:
1. Stop the drive and do the steps in section
you start the work.
2. Connect the push buttons with the resistors to the terminal blocks. Refer to the circuit
diagrams delivered with the drive. For the correct resistance values for the resistors,
refer to the table that follows:
Resistor Resistance
R1 1000 ohm
R2 10000 ohm

Connecting the push button fault indication

￭
The main monitoring relay [A641] has a normally-closed relay contact that you can use to
implement a fault indication system.
Installation procedure:
1. Stop the drive and do the steps in section
you start the work.
2. Connect the relay contact to the user-defined fault indication system. Refer to the circuit
diagrams delivered with the drive.
Electrical safety precautions (page 9)
Electrical safety precautions (page 9)
before
before