Omron NS - REV 12 Setup Manual page 286

Appendix 3 Using NS-AL002 Converters
Example of Recommended Wiring
RS-422A/485
Signal line
A-26
Figure (a)
CPU Rack
Power
CPU Unit or
Communi- supply
cations Unit Unit
LG
GR
NS-AL002
NS-AL002
NS-AL002
PT
RS-422A/485
FG
Signal line
PT
FG
PT
FG
Figure (b)
CPU Rack
CPU Unit or
Power
Communi-
supply
cations Unit
Unit
LG
GR
NS-AL002
NS-AL002
NS-AL002
PT
FG
PT
FG
PT
FG