Electrical installation
106
Connecting a PC
WARNING! Read and follow the instructions given in chapter Safety instructions.
Ignoring the instructions can cause physical injury or death, or damage to the
equipment.
Connect PC to CH3 of RDCO board via a fiber optic link. RDCO is attached to an
option slot of the RDCU unit. See also Fiber optic links below.
Installing optional modules
WARNING! Read and follow the instructions given in chapter Safety instructions.
Ignoring the instructions can cause physical injury or death, or damage to the
equipment.
Insert optional modules (such as fieldbus adapters, I/O extension modules and pulse
encoder interfaces) into the optional module slots of the RDCU unit and secure with
two screws. The slots on the RDCU unit are described in Overview of power and
control connections on page 42. See also the appropriate optional module manual
for information on the cable connections.
Run the cables to the appropriate terminals. Wherever possible, use the existing cable trunking in the
cabinet. Use sleeving wherever the cables are laid against sharp edges.
Note: When running cables to the swing-out frame, leave some slack in the cable at the hinge to allow the
frame to open fully. Tie the cables to the cable supports wherever necessary.
Cut the cables to suitable length. Strip the cables and conductors.
Twist the cable shields into bundles and connect them to the ground terminal nearest to the terminal block.
Keep the unshielded portion of the cables as short as possible.
Connect the conductors to appropriate terminals. See page 98 for the location of the control unit and the
circuit diagrams delivered with the unit.
Refit any shrouds removed earlier. Close the cabinet door(s).
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