Omron SYSMAC CS Series Instruction & Reference Manual page 395

Function
 XNRW
XNRW(037) takes the logical exclusive NOR of data
specified in I and I and outputs the result to R.
1 2
 XNRL
XNRL(613) takes the logical exclusive NOR of data
specified in I and I and outputs the result to R, R+1.
1 2
Example Programming
When the execution condition CIO 0.00 is ON, the logical exclusive NOR is taken of corresponding bits
in CIO 801, CIO 800, and CIO 101, CIO 100 and the results will be output to corresponding bits in D501
and D500.
0.00
CS/CJ/NSJ Series Instructions Reference Manual (W474)
S : 800CH
1
S +1: 801CH
1
800
100
D500
Note: The symbol indicates exclusive logical NOR.
→ R
I I + I I
• •
1 2 1 2
I I
1 2
1 1
1 0
0 1
0 0
(I I +1) (I , I +1) + (I , I +1)
•
1, 1 2 2 1 1
I I +1 I I +1
1, 1 2, 2
1 1
1 0
0 1
0 0
S : 100CH
2
S +1: 101CH
2
D500
D501
3. Instructions
R
1
0
0
1
+1) → (R, R+1)
(I , I
•
2 2
R, R+1
1
0
0
1
D: D500
D+1: D501
361
3