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4 SETUP AND PREPARATION BEFORE OPERATION
4.10.2 Wiring procedures for the one-touch connector for communication
Plug body
Cut the shield wire, aluminum tape and braid.
Stretch the drain wire and twist it from the base.
(3cm in length, 7 times or more)
5 4 3 2 1
SLD
NC
Metal contacts
Metal contacts
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4 - 19
This section provides the wiring procedures of the one-touch connector for
communication.
Plug cover
Metal contact
DA (Blue)
DB (White)
DG (Yellow)
Drain wire (AWG20)
Signal name
DA (Blue)
DB (White)
DG (Yellow)
Pliers
1) Check the connector.
Check that the plug cover is attached to the plug body.
Note: Do not push the plug cover into the plug body.
Once pressed, the plug cannot be used any more.
2) Processing for communication cable
Strip the cable 3cm or more and perform the processing
indicated at left.
If the electric wire lengths are not even, trim their ends with a
nipper to the same length so as to insert them neatly into a
connector.
3) Insert the cable.
Lift the end of the plug cover and insert the cable until it almost
reaches the plug body (within 1mm from the other end of the
plug cover).
Insufficient cable insertion may cause improper press fitting.
Note: When inserting the cable, prevent the cable from sticking
out from the plug cover end.
4) Set the plug cover.
After inserting the cable, put down the plug cover so that its
face is horizontal to the plug surface, allowing the metal
contacts to be fitted into the plug cover.
5) Press the center part of the plug cover.
Using pliers, press the center part of the plug cover vertically
and strongly.
For the one-touch connectors, use adjustable pliers so that their
jaws can be widely opened.
MELSEC-A
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