Siemens EF 7850 Series Spécifications télécharger pdf (Page 34)

Maintenance and Servicing 04/04

SINAMICS G130 - Operator Panel AOP30

6-32 Operating Manual

Replacing the Battery

1. Disconnect the 24 V DC power supply cable.

2. Disconnect the communication cable on the operator panel.

3. Open the cover of the battery compartment.

4. Remove the old battery.

5. Insert the new battery.

6. Carry out any other work by reversing the sequence.

Table 6-1 Technical data for the backup battery

Type CR2032 3V lithium battery

Manufacturer Maxell, Sony, Panasonic

Rated capacity 220 mAh

Maximum permissible charging

current

10 mA (restricted to <2 mA in operator panel)

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

WARNING

To ensure that no data is lost when you replace the battery, you must replace the

battery within one minute.

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Siemens EF 7850 Series Spécifications Page 34