Replacing The Memory Unit Of Zcu-14; Replacing Safety Functions Modules Fso-12 (Option +Q973) And Fso-21 (Option +Q972) - ABB ACS880-04 Hardware Manual

172 Maintenance
3
2

Replacing the memory unit of ZCU-14

After replacing a control unit, you can retain the existing parameter settings by
transferring the memory unit from the defective control unit to the new control unit.
After power-up, the drive will scan the memory unit. This can take several minutes.
WARNING!
Do not remove or insert the memory unit when the control unit is powered.
WARNING!
Obey the safety instructions of the drive. If you ignore them, injury or
death, or damage to the equipment can occur.
1. Stop the drive and do the steps in section
before you start the work.
2. Pull the clip of the memory forward.
R10, R11
3. Take the unit off.
4. Replace the unit in reverse order.
Replacing safety functions modules FSO-12 (option +Q973)
and FSO-21 (option +Q972)
Do not repair safety functions modules. Replace a faulty module with a new one as
described in section
2
4
5
Installing the FSO-xx safety functions module (page
9
7
8
Electrical safety precautions (page 19)
8
6
117).