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6.4 Wiring to Terminal Block for Module Power Supply and
FG
This section describes how to wire a terminal block for module power supply and FG to the main A/D converter
module.
Note that the descriptions are the same for the extension A/D converter module.
(1) Tightening torque
Tighten the terminal block screws within the following specified torque range.
Tightening the screws too much may damage the module case.
(2) Suitable wire
The table below shows the suitable wire for connection to the terminal block for module power supply and FG.
(3) Installing and removing the terminal block
To remove the terminal block, loosen the terminal block mounting screw with a flathead screwdriver.
To install the terminal block, tighten the terminal block mounting screw with a flathead screwdriver.
Failure to secure the terminal block may cause drop, short circuit, or malfunction.
Screw type Tightening torque range
Terminal block mounting screw (M2.5) 0.2 to 0.3N⋅m
Terminal screw (M2.5) 0.5 to 0.6N⋅m
Diameter Type Material Temperature rating
20 to 16 AWG Stranded Copper 75 or higher
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