Mitsubishi MELSEC-A series Programming Manual

7. APPLICATION INSTRUCTIONS
7 − 17
MELSEC-A
(2) Performs the exclusive NOR of the 16-bit data of device specified at (S1) and
the 16-bit data of device specified at (S2) and stores the result into the device
specified at (D).
(3) As for bit devices, data of them below digit specification is operated as 0.
DXNR
(1) Performs the exclusive NOR of the 32-bit data of device specified at (D) and the
32-bit data of device specified at (S) and stores the result into the device
specified at (D).
(2) As for bit devices, data of them below digit specification is operated as 0.
Execution Conditions
POINT
The DXNR instruction in the AnA, A2AS, AnU, QCPU-A (A Mode) and A2USH
board dedicated instructions changes to the 32-bit constant setting instruction.
For details, refer to the AnSHCPU/AnACPU/AnUCPU Programming Manual
(Dedicated Instructions).
16 bits
WXNR
Before execution
After execution
32 bits
WXNR
Before execution
After execution
OFF
ON
Executed
per scan
Executed
per scan
Executed
only once
Executed
only once
P
Operation command

Mitsubishi MELSEC-A series Specifications

General

Brand	Mitsubishi
Model	MELSEC-A series
Category	Controller
Language	English