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6 BASIC INSTRUCTIONS
6.3 Logical Operation Instructions
DXNR(P) [when three operands are set]
These instructions perform an XNOR operation on the two sets of 32-bit binary data specified.
■Execution condition
■Description, range, data type
• In safety programs executed by the Safety CPU, only safety devices and safety labels of data types described in the table
can be used.
■Applicable devices
• In safety programs executed by the Safety CPU, only the following safety devices and constants can be used.
Ladder ST
ENO:=DXNR(EN,s1,s2,d);
ENO:=DXNRP(EN,s1,s2,d);
FBD/LD
Instruction Execution condition
DXNR
DXNRP
Operand Description Range Data type Data type (label)
(s1), (s2) Exclusive NOR data or the start device where exclusive
NOR data is stored
-2147483648 to 2147483647 32-bit signed binary ANY32
(d) Start device for storing the operation result 32-bit signed binary ANY32
EN Execution condition Bit BOOL
ENO Execution result Bit BOOL
Operand Bit Word Double word Indirect
specification
Constant Others
X, Y, M, L,
SM, F, B, SB,
FX, FY
J\ T, ST, C, D, W,
SD, SW, FD, R,
ZR, RD
U\G, J\,
U3E\(H)G
Z LT, LST,
LC
LZ K, H E $
(s1)
(s2)
(d)
Operand Bit Word Constant
SA\X, SA\Y, SA\M, SA\SM, SA\B SA\T, SA\ST, SA\C, SA\D, SA\W, SA\SD K, H
(s1)
(s2)
(d)
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant)
(Process)
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