Commissioning And Operation; Important Notes; Function Checks Before Commissioning - Wittur WSG-S2.4 Serie Instrucciones De Funcionamiento

Commissioning and operation

6 Commissioning and operation
6.1

Important notes

6.2

Function checks before commissioning

6.2.1 Functional checks
Brake with micro-switch
1. The switching contact for the brake must be open.
2. Remove two bridges from the motor terminals to de-energise the motor.
- Do not switch off the voltage supply to the brake.
3. Apply DC voltage to the brake.
4. Measure the AC voltage at the motor terminals. The measured level must be zero.
5. Close the switching contact for the brake.
- The brake is released.
INTORQ | BA 14.0196 | 04/2016
DANGER
❚ The live connections and the rotating rotor must not be touched.
❚ The drive must not be running when checking the brake.
DANGER
Danger: rotating parts!
The brake must be free of residual torque. The motor must not run!
DANGER
There is a risk of injury by electrical shock!
Live connections must not be touched.
NOTICE
If the brake is connected to the neutral point of the motor, the PE conductor must also be con-
nected to this point.
39