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MELSEC-A
4 SETUP AND PREPARATION BEFORE OPERATION
4.7 Data Link Cable Wiring
This section explains the wiring of the CC-Link dedicated cable used for connection of
the AJ65SBT-64AD and master module.
4.7.1 Instructions for handling the CC-Link dedicated cables
Do not handle the CC-Link dedicated cables roughly as described below. Doing so can
damage the cables.
Compact with a sharp object.
Twist the cable excessively.
Pull the cable hard. (more than the permitted elasticity.)
Step on the cable.
Place an object on the top.
Scratch the cable's protective layer.
4.7.2 Connection of the CC-Link dedicated cables
Connect the CC-Link dedicated cable between the AJ65SBT-64AD and master
module as shown below.
DA
DB
DG
SLD
FG
DA
DB
DG
SLD
FG
Termination resistor
DA
DB
DG
SLD
FG
Termination resistor
CC-Link dedicated
cable
CC-Link dedicated
cable
Master module side
AJ65SBT-64AD I/O module or like
4.8 Wiring
This section provides the instructions for wiring the AJ65SBT-64AD and its wiring with
external equipment.
4.8.1 Wiring precautions
To obtain maximum performance from the functions of AJ65SBT-64AD and improve
the system reliability, an external wiring with high durability against noise is required.
The precautions when performing external wiring are as follows:
(1) Use separate cables for the AC and AJ65SBT-64AD external input signals, in
order not to be affected by the AC side surge or conductivity.
(2) Do not bundle or place with load carrying wires other than the main circuit line,
high voltage line or PLC. Noises, surges, or conductivity may affect the system.
(3) Place a one-point grounding on the PLC side for the shielded line or shielded
cable. However, depending on the external noise conditions, it may be better have
a grounding externally.