Disassembly of a Terminal Unit
Figure: CPU Terminal Base (TB5xx) or I/O Terminal Unit disassembly (TUxx)
A screwdriver is inserted in the indicated place to separate the Terminal Units.
Step 4: CPU or Electronic Module assembly
Figure: Mounting of the CPU (PM5xx) on a Terminal Base (TB5xx), in the same way as I/O modules on
Terminal Units
The CPU or I/O module will be plugged on the dedicated Terminal Base / Terminal Unit. And will be
locked in place. The disassembly is done in reverse order.
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G1
Introduction to AC500
1-44
PM581
AC500 / Issued: 07.2006