CPUs, Memory Cards, Memory Submodules, Interface Submodules

Inserting or Replacing the Backup Battery

!

Before the RAM submodule with battery backup is started for the first time, you must insert the battery provided. This is delivered separately to protect it from premature discharge. Proceed according to the following steps:

Step

Action

 

 

1Open the upper side of the cover by releasing the snap-on catch. Grasp the cover within the clearance from the PCB and pull it up.

2Insert the submodule battery and secure it with a screw on the left and on the right. Ensure correct polarity (+/-).

3Close the cover again.

Battery

M 2.5 Screw

Battery

Fault LED

Grip

Figure 5-10 Mounting Location for Backup Battery

Caution

Improper replacement of the battery can result in explosion hazard.

It should only be replaced by the same type or an equivalent one recommended by the manufacturer. Used batteries should be disposed of according to the manufacturer's instructions.

System Manual

5-87

C79000-G8576-C199-06

Page 227
Image 227
Siemens S5-135U/155U appendix Inserting or Replacing the Backup Battery, Battery Screw Fault LED