Siemens SINAMICS G150 - Replacing the Cabinet Operator Panel

Maintenance and servicing
11.4 Replacing components
Converter cabinet units
638 Operating Instructions, 07/2016, A5E03347396A
WARNING
Danger to life due to electric shock when using unsuitable fuses
If unsuitable fuses are used, an electric shock can cause severe injury or death.
• Use only fuses specified in the spare parts list.
11.4.11
Replacing the cabinet operator panel
1. Switch the unit into a no-voltage condition.
2. Open the cabinet.
3. Disconnect the power supply and communications line on the operator panel.
4. Release the fastenings on the operator panel.
5. Remove the operator panel.
6. Install the new operator panel.
7. Carry out any other work by reversing the sequence.
11.4.12
Replacing the Backup Battery for the Cabinet Operator Panel
Table 11- 2 Technical specifications of the backup battery
Type
CR2032 3 V lithium battery
Manufacturer
Maxell, Sony, Panasonic
Nominal capacity 220 mAh
Self-discharge at 20 °C
1 %/year
Service life (in backup mode)
> 1 year at 70 °C; >1.5 years at 20 °C
Service life (in operation)
> 2 years
Replacement
1. Switch the unit into a no-voltage condition.
2. Open the cabinet.
3. Disconnect the 24 V DC power supply and communications line on the operator panel.
4. Open the cover of the battery compartment.
5. Remove the old battery.
6. Insert the new battery.
7. Close the cover of the battery compartment.
8. Reconnect the 24 V DC power supply and communications line.
9. Close the cabinet.