144 Publication 2711P-UM001I-EN-P - December 2008
Chapter 6 Install and Replace Components
5. Locate the RAM module on the circuit board, pull the metal
retaining clips away from the module, and slide out the module.
6. Insert the new RAM module at a 45° angle and snap down.
Skip steps 7…11 if not replacing the internal CompactFlash.
7. Unscrew and remove the retaining clip that secures the internal
CompactFlash card.
8. Pull out the internal CompactFlash card.
9. Insert the new internal CompactFlash card.
10. Reattach the retaining clip.
11. Attach the logic module by aligning the two connectors on the
bottom of module with the connectors on the display module.
12. Push down on the logic module until firmly seated.
13. Tighten the six captive screws that secure the logic module to a
torque of 0.58 Nm (5…7 lb•in).
Install or Replace the Logic
Module
This section shows how to install and replace the logic module for 700
to 1500 terminals. If the display module and logic module are ordered
as separate components, attach the logic module to the display
module before panel installation.
The logic module is available with or without RAM and internal
CompactFlash installed. If ordered as separate components, you must
install the memory before attaching the logic module to the display
module.
Follow these steps to install a logic module.
1. Disconnect power from the terminal.
2. Set the terminal, display side down, on a clean, flat, stable
surface to prevent scratches, if the terminal is removed from
panel.
3. Position the logic module over the back of the display module
until the two connectors on the bottom of the logic module align
with the connectors on the display module.
CompactFlash Card
Retaining Screw
RAM Module
Retaining
Clips
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