A - 37
Appendices
NX-series Digital I/O Unit User’s Manual (W521)
A-1 Data Sheet
A
A-1-2 Digital Input Units
Installation orienta-
tion and restrictions
Installation orientation:
• Connected to a CPU Unit
Possible in upright installation.
• Connected to a Communications Coupler Unit
Possible in 6 orientations.
Restrictions: No restrictions
Terminal connection
diagram
Disconnection/
Short-circuit detection
Not supported. Protective function Not supported.
A1 B1
A8 B8
AC Input Unit
NX-IA3117
200 to 240 VAC
200 to 240 VAC
IN0
IN1
IN2
IN3
C0
C1
C2
C3