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Installation 3. Wiring
1 Applicable electric wire specifications
The following table shows applicable electric wire sizes
Section
Terminal of main unit.
(Auxiliary power,
Voltage input,
Current input,
MODBUS
®
RTU
communication
terminal)
2 Wiring of the main unit.
Be sure to securely tighten the terminal screws to the terminal block.
・ Please do not connect three or more electric wires to one terminal. This can cause heat and fire
due to imperfect contact.
CAUTION
・ If you are using bare crimped terminals, provide the insulation needed to cover exposed live parts
and prevent electric shock and short circuits (e.g., use insulated tubing).
3 Checking
Check the following after connection.
□The electric wire is securely connected.
□There is no error in connection.
Screw type
･Use crimping terminals: AWG26 to 14 (Connectable 2 wires)
Applicable crimping terminals:
M3
Outer Diameter
.
Specification of wire used
For M3 screw with an outer
diameter of less than 6.0mm.
58
Tightening
torques
0.6 to 0.8N･m
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