4-3 Link Unit
4-17
4-3-3 How to Wire
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Connecting RS-422A/485 link unit connecting cable
To connect:
(1) When you connect a connector of dedicated cable to the link unit, be sure to hold the connector and insert it into the link unit com-
pletely.
(2) When you have inserted the cable into the link unit, tighten the two lock screws with the Phillips type screwdriver to fix it.
(3) Fit the connecting cable with a supplied ferrite core. Close the ferrite core and lock it completely.
To disconnect:
(1) To disconnect the connector, loosen the two lock screws completely and pull out it straight holding the connector hood lug.
(2) If it is hard to pull out, push the link unit pulling out the connector.
Correct Usage
Be sure to connect a grounding wire. Otherwise, an error may occur in an operation.
Do not touch any terminal when the power supply turns on. Otherwise, an error may occur in an
operation.
Do not disassemble it nor touch the inside when the power supply turns on. Otherwise, trouble
may be caused.
Ferrite core
Within 10 cm