Maintenance and service 12.4 Installing and removing hardware components

Installing a memory module

How to install a memory module

1Open the device.

2Note the recess and polarity reversal protection on the connector side of the memory module.

3Push the module carefully into the slot until the interlocks engage

4Close the device

Removing a memory module

How to remove a memory module

1Open the device.

2Open the left and right interlocks

3Pull the memory module out of the slot

4 Close the device

Displaying the memory configuration

A new memory module is automatically detected. The allocation of the ”base memory and extended memory” is displayed when you switch on the device.

SIMATIC Panel PC 877

12-11

Operating instructions, Release 07/2006, A5E00877780-01

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Siemens PANEL PC 877 Installing a memory module, Removing a memory module, Displaying the memory configuration