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6 INSTALLATION AND WIRING
6.5 Wiring
Wiring of external device and I/O terminal block
Wiring of screw terminal block
■Tightening torque
Tighten the terminal screw within the following specified torque range.
Tightening the screw too much may damage the module case.
■Wire to be used
The following table describes the wire to be connected to the screw terminal block.
■Applicable solderless terminal
The following table lists the applicable solderless terminal.
■Signal name and wiring
For the signal names of the terminal block and wiring of the external device, refer to the specifications of each module.
Incorrect wiring can cause malfunction of or damage on the module.
Page 16 Performance Specifications
■Wiring method
• Do not put oil on the terminal and screw. Failure to do so may damage the screw.
• The number of the applicable solderless terminals must be two or less. When inserting two applicable
solderless terminals, insert them back-to-back. Otherwise the screw cannot be tightened and it may
damage the screw.
• Tighten the terminal screw with an applicable driver. Tightening with an inapplicable driver may damage the
screw.
Screw type Tightening torque range
Terminal screw (M3 5.2 screw) 0.59 to 0.88Nm
Diameter Type Material Temperature rating
22 to 14 AWG Stranded Copper 75 or more
Model name Applicable wire size Contact
RAV1.25-3 0.3 to 1.25
V2-MS3 1.25 to 2.0 JST Mfg. Co., Ltd.
TGV2-3N 1.25 to 2.0 NICHIFU Co., Ltd.
1. Loosen the terminal screw. Connect the round
solderless terminal (1) as it is.
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