Activation of the holding brake for service purposes

Notice

Damage to the motor due to incorrect mounting sequence

The holding brake is manually connected to the control voltage for service purposes in order to release the brake. To prevent damage to the motor, follow the procedure below to connect the motor to the power supply.

  • Connect the service cable to the power supply
  • Connect the B23 connector to the motor
  • Connect the M8 connector to the motor

Notice

Impermissible operation mode

A connection from the M8 connector to the motor without a B23 connector connected to the motor is not permitted.

  • Make sure that both the M8 connector and the B23 connector are always connected to the motor
  • Only use the ZK7A74-3184-8002 service cable supplied by Beckhoff

Notice

Removal of the service cable after completion of the case of service

The M8 connection of the motor is used exclusively to release the holding brake in the case of service. The use of the M8 connection is prohibited when a system is in operation.

  • Only use the manual control of the holding brake for service purposes
  • Make sure that the service cable is always removed as soon as the case of service is finished

The holding brake of the AMP8000 works according to the quiescent current principle and opens at a voltage of 24 V DC +6/-10 %. It can be activated manually via the M8 connection in cases of service. The matching service cable ZK7A74-3184-8002 for connecting the motor and power supply is assembled with a B23 connector for the motor connection, an M8 connector for the brake connection and four cores with ferrules for connecting the 24 V DC power supply.

Connecting the service cable to the power supply

►Connect open cable contacts to the 24 V DC power supply according to the table:

Wire color

connect to

Black

24 V DC system and peripheral voltage

Brown

24 V DC system and peripheral voltage

White

GND

Blue

GND

Activation of the holding brake for service purposes 1:

Connecting the service cable to the motor

►Plug the B23 connector into the B23 connection [1] of the motor
►Remove the cover plug from the M8 connection [2] of the motor
►Plug the M8 connector onto the M8 connection [2] of the motor and screw it in place

Removing the service cable from the motor

►Loosen and remove the screw connection of the M8 connector from the M8 connection [2] of the motor
►Place the cover plug on the M8 connection of the motor and screw it in place.
►Remove the B23 plug from the B23 connection [1] of the motor.