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Chapter 3 Installation and wiring
3 - 2
3.2 Wiring
3.2.1 Wiring precautions
Separate AC and external input signal of A/D module wiring not to be affected by
surge or induced noise in the AC.
External wiring has to be at least AWG32 (0.3mm
2
), and be selected in consideration
of operating ambiance and/or allowable current.
Separate wiring from device and/or substances generating intense heat, and oil not to
make short-circuit which leads to damage and/or mis -operation.
Be careful not to connect external power supply with wrong polarity.
Separate external wiring sufficiently from high voltage and power supply cable not to
cause induced noise or malfunction of module.
3.2.2 Wiring examples
1) G6F-AD2A
Voltage input
Current input
*1: Use a two-core twisted pair shielded cable
*2 : If noise is expected, ground the cable and FG terminal as shown in figure.
R
-15V
+15V
1
2
3
J1
J2
FG
G6F-AD2A
Input Range
Selection Switch
V+
I+
COM
R
R
R
R
R
V+
I+
COM
R
-15V
+15V
1
2
3
J1
J2
FG
G6F-AD2A
Input Range
Selection Switch
V+
I+
COM
R
R
R
R
R
V+
I+
COM
*1
*1
*1
*1
*2
*2