5
5-9
PG 720 Programming Device
C79000-G7076-C720-02
You change the battery as follows:
1. Switch off your PG 720 and remove the power cable and all the connecting
cables.
2. Open the unit as described in Section 5.1.
3. Undo the five screws holding the drive mounting.
4. Disconnect the wires connected to the drives.
5. Lift out the drives along with the mounting.
6. Now change the back-up battery on the motherboard.
7. Fix the new battery to the motherboard with a cable binder.
8. Reconnect the wires to the drives and secure the drive mounting with the
five screws.
9. Close the unit as described in Section 5.5.
!
Caution
Risk of damage.
Only replace the lithium battery with an identical battery or with a type
recommended by the manufacturer (Order No.: W79084-E1003-B1).
You should dispose of used batteries in keeping with local regulations.
After you have changed the battery, you must set the configuration data of
your unit again using the SETUP program (see Chapter 6).
SETUP
PG 720 Expansions
Summary of Contents for SIMATIC PG 720
Page 32: ...3 3 18 PG 720 Programming Device C79000 G7076 C720 02 Getting to Know the PG 720 ...
Page 56: ...4 4 24 PG 720 Programming Device C79000 G7076 C720 02 Installing the PG 720 ...
Page 76: ...6 6 10 PG 720 Programming Device C79000 G7076 C720 02 Configuring the Programming Device ...
Page 80: ...7 7 4 PG 720 Programming Device C79000 G7076 C720 02 Error Diagnostics ...