Omron CP - PROGRAMMING MANUAL 05-2007 - Page 479

446
Logic Instructions Section 3-12
Variations
Applicable Program Areas
Operand Specifications
Description XNRW(037) takes the logical exclusive NOR of data specified in I
1
and I
2
and
outputs the result to R.
• The logical exclusive NOR is taken of corresponding bits in I
1
and I
2
in
succession.
• When the content of corresponding bits of I
1
and I
2
are different, a 0 will
be output to the corresponding bit of R and when they are different, 1 will
be output to the corresponding bit in R.
I
1,
I
2
+ I
1,
I
2
→ R
Variations Executed Each Cycle for ON Condition XNRW(037)
Executed Once for Upward Differentiation @XNRW(037)
Executed Once for Downward Differentiation Not supported.
Immediate Refreshing Specification Not supported.
Block program areas Step program areas Subroutines Interrupt tasks
OK OK OK OK
Area I
1
I
2
R
CIO Area CIO 0 to CIO 6143
Work Area W0 to W511
Holding Bit Area H0 to H511
Auxiliary Bit Area A0 to A959 A448 to A959
Timer Area T0000 to T4095
Counter Area C0000 to C4095
DM Area D0 to D32767
Indirect DM addresses
in binary
@ D0 to @ D32767
Indirect DM addresses
in BCD
*D0 to *D32767
Constants #0000 to #FFFF (binary) ---
Data Registers DR0 to DR15
Index Registers ---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
I
1
I
2
R
111
100
010
001