Omron ZEN Operation Manual page 182

Allocations and Setting Table
I/O Allocations for the ZEN-20C@@@-@-V2
I/O Unit name
Input CPU Unit I0
bits
I1
I2
I3
I4
I5
I6
I7
I8
I9
Ia
Ib
Expansion X0
I/O Unit
X1
X2
X3
Expansion X4
I/O Unit
X5
X6
X7
Expansion X8
I/O Unit
X9
Xa
Xb
CPU Unit IN I0 to Ib
20C1AR-A-V2
Q4
CPU Unit OUT Q0 to Q7
158
Bit
Normal input
Analog voltage input
Normal input
Analog voltage input
Expansion I/O Unit OUT X0 to Xb
(Bits allocated in order of connection.)
I 6 I 7 I 8 I 9 I a I b
Q5 Q6 Q7
Expansion I/O Unit OUT Y0 to Yb
(Bits allocated in order of connection.)
Input device name
Appendix F
Input IN filter
AC DC V Yes No
AC DC V Yes No
AC DC V Yes No
AC DC V Yes No
AC DC V Yes No