112
CJ1W-SRM21 Master Unit for CJ-series PLCs
Section 4-3
blade screwdriver to push down the orange tab on the connector and push
in the signal wire.
Note
To disconnect the signal wires from a screwless connector, push down on the
orange tab and at the same time pull out the signal wire. (The signal wires can
be easily removed while leaving the communications connector installed in
the Master Unit.)
Check that the communications connector is securely fixed to the Master Unit.
Tighten the communications connector to the specified tightening torque (0.25
to 0.3 N
⋅
m).
Connector with Screws
When using connectors with screws, remove the communications connector
from the Master Unit and assemble the connector and cable according to the
following procedure, as required. (If the Master Unit has sufficient space
around it, the procedure can be followed while leaving the communications
connector installed in the Master Unit.)
1,2,3...
1.
Remove sufficient (approx. 10 mm) insulation from the signal wires for a
crimp terminal, and twist the exposed wire strands together tightly.
Note
If using VCTF cable, cover the severed end of the insulation with vinyl tape or
heat-shrinking tube.
BS+
BDH
BDL
BS
−
BS+
BS
−
+
(BS
+)
–
(BS
–)
High (BD H)
Low (BD L)
CompoBus/S
communications data
Communications cable
Communications power supply
(connected to power supply.)
+
(BS
+)
–
(BS
–)
CompoBus/S
communications power
supply (supplying Slaves)
BS+
BDH
BDL
BS
−
BS+
BS
−
1
2
Small flat-blade
screwdriver
Approx. 10 mm