5-Module Frame, F-CU5, F-CU5P
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Document no. M1125636-05
17. Optional display controller board B-DISPX jumpers/DIP switches
If available, disconnect the display controller board(s) and check that the address and
interruption jumpers/ DIP switches have been set correctly. The instructions for setting
the jumpers can be found in the”Part I, System Installation” slot of the Technical
Reference Manual,
Leave the board(s) disconnected.
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F-CU5 Power Unit, N-AC
18. Power unit frame
Check that the power unit frame is intact.
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19. Power output connectors
Check that the power output connector is clean and intact.
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20. Power inlet connector
Check that the power inlet connector is clean and intact.
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21. Equipotential tap and rear panel screws
Check that the equipotential tap and all the rear panel screws are tightened properly.
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3.2.4 General inspection
22. Communication lines
After any service repair for the Module mother board, measure resistance from the
following Module mother board’s connector pins against the ground:
Check that the resistance on each of the pins is higher than 10 kΩ. If not, replace the
Module mother board.
• Reconnect the PC boards and secure them to the Central Processor Unit with screws.
• Attach the F-CPU Power cable to the N-AC and F-CPU.
• Attach the F-CPU Signal cable to the F-CPU and F-CU5(P).
Module mother board connector Pin 1 +Reset RS485
Pin 5 -Data RS485
Pin 6 +Data RS485
Pin 8 -Reset RS485
Pin 13 Ground
13
1
14
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