Wiring; Wiring Precautions; Wiring Examples - LG G3F-AD3A User Manual

Chapter 3 Installation and wiring

3.2 Wiring

3.2.1 Wiring precautions

① Separate AC and external input signal of A/D module wiring not to be affected by
surge or induced noise in the AC.
② External wiring has to be at least AWG32 (0.3mm
of operating ambiance and/or allowable current.
③ 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.
④ Be careful not to connect external power supply with wrong polarity.
⑤ 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
① Voltage input
*1
*1
② Current input
*1
*1
*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
V+
I+
R
COM
R
V+
R
I+
R
COM
R
FG
*2
V+ R
I+
R
COM
R
V+ R
I+
R
COM
R
FG
*2
3 - 2
2
), and be selected in consideration
+15V
Input Range
Selection Switch
J1
1 2 3
J2
-15V
G6F-AD2A
+15V
Input Range
Selection Switch
J1
1 2 3
J2
-15V
G6F-AD2A