Replacing The Component; Release Holding Brake" Service Function - Bosch rexroth IndraDrive Mi KCU02 Project Planning Manual

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IndraDrive Mi Drive Systems with KCU02, KSM02,
KMS02/03, KMV03, KNK03, KLC03
11.4.4

Replacing the component

11.4.5

"Release holding brake" service function

Commissioning, operation, diagnostics and maintenance
Always replace a defective component with a new component of
the same type.
1. De-energize the machine (switch off 24V supply, too!)
2. Make sure main switch cannot be switched on again
3. WARNING! High electrical voltage! Danger to life by electric shock!
Wait 30 minutes to allow discharging before you start replacing the
component.
4. Verify zero potential
5. Dismount defective component
6. If available: Write down address selector switch positions of the
defective component
7. If available: Remove cover from slot X107 of defective component and
take out programming module
8. If available: Set address selector switch of new component like the one
of defective component
9. If housing of new component is dirty: Clean housing
10. When carrying out the next step, take care that dirt and moisture are
prevented from penetrating the inside of the housing.
If available: Remove cover from slot X107, plug programming module of
defective component in slot X107 of new component, check sealing ring
of cover for damage (if sealing ring damaged: provide new sealing ring),
mount cover (screw tightening torque: 1 Nm)
11. Mount new component
12. Connect new component according to machine circuit diagram
13. Switch on 24V supply
14. Put machine into ready-for-operation state again according to machine
manufacturer's instructions
15. Check functions of drive
WARNING
Do not work at running or unsecured installations.
Before starting to dismount, secure the machine against accidental
movements and unauthorized operation.
Before dismounting them, secure the motor and the supply lines unit
against falling or movements, before unfastening the mechanical
connections.
Via the
X141
interface, it is possible to "release" the integrated holding brake:
A voltage of 30 ... 46 V has to be applied at X103.1 (pins 11 and 12).
Short-circuit pin 3 with pin 9 at X141.
Lethal
injury
caused
controlling motors and working at moving
parts!
R911335703_Edition 04 Bosch Rexroth AG
359/407
by
errors
when

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