Mitsubishi Electric MELSEC iQ-R Series - Exchanging the Upper and Lower Bytes of 16-Bit Binary Data

6 BASIC INSTRUCTIONS
6.7 Data Transfer Instructions
521
6
Exchanging the upper and lower bytes of 16-bit binary data
SWAP(P)
These instructions exchange upper and lower 8-bit data in the specified device.
■Execution condition
Setting data
■Description, range, data type
■Applicable devices
Processing details
• The device specified by (d) exchanges its upper and lower 8-bit data.
Operation error
There is no operation error.
Ladder ST
ENO:=SWAP(EN,d);
ENO:=SWAPP(EN,d);
FBD/LD
Instruction Execution condition
SWAP
SWAPP
Operand Description Range Data type Data type (label)
(d) Start device for storing the data whose upper and lower 8-
bit data is exchanged
 16-bit signed binary ANY16
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 $
(d)         
RnCPU
RnENCPU
RnSFCPU RnSFCPURnPCPURnPCPU
(Standard) (Safety)
(Redundant) (Process)
(d)
EN ENO
d
(d)
(d)
b15   b4b7b8b11b12 b0b3
b15   b4b7b8b11b12 b0b3
0101010110101010
0001010111101010