M800S/M80/E80 Series Connection and Setup Manual
10 Connection of Remote I/O Unit
315
IB-1501269-J
(a) Connecting with the voltage input signal
- Use the twisted cable with shield to reduce the influence of noise.
- Connect the shield to FG pin of AI connector. Ground the machine side, too.
- Do not connect or disconnect the cables between units while the power is ON.
AI
3
5
1
FCU8-DX409
FG
0V
FG
1
2
3
DCIN
0V
FG
+24V
V+
V-
FG
7
9
12
FG
V+
V-
FG
15
17
13
FG
V+
V-
FG
19
21
24
FG
V+
V-
FG
CH1
CH2
CH3
CH4
24VDC(+)
Shield
Machine side
Stabilized power supply
Shield
Shield
Shield