OMRON ELECTRONICS LTD
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11
Up to 31 inverters may be connected to a MODBUS ‘master’ (in this case, the CP1L PLC),
using unshielded, twisted-pair cable is used to ‘daisy chain’ them together. Suitable cable
is Belden 9502 or equivalent.
1. Using the supplied cable, connect the black wire to the first screw terminal of the
CP1W-CIF11 module (marked RDA-) and the red wire to the second screw terminal
(marked RDB+).
2. At the MX2 end, connect the black wire to the terminal marked SN and the red wire
to SP, as shown in the diagram above.
3. Turn the “DIP switch for termination resistor” (marked ‘MD SW1’ - see diagram on
previous page for location) to the right, to its ON position.
4. Remove the CP1W-CIF11 module from the PLC; set the DIP switches (at the rear
of the unit) according to the diagram below:
