Siemens SIMATIC PANEL PC 877 - Manual (Page 125)

Maintenance and service
12.4 Installing and removing hardware components
SIMATIC Panel PC 877
Operating instructions, Release 07/2006, A5E00877780-01
12-11
Installing a memory module
How to install a memory module
1 Open the device.
2 Note the recess and polarity reversal
protection on the connector side of the
memory module.
3 Push the module carefully into the slot
until the interlocks engage
4 Close the device
Removing a memory module
How to remove a memory module
1 Open the device.
2 Open the left and right interlocks
3 Pull 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.