Siemens SIMATIC S7-1500T Reference Manual

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Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
✔
✔
✔
Rotate right double word by double word
SHR
RRD
SHR
✔
✔
✔
Rotate left double word by double word
SHL
RLD
SHL
✔
✔
✔
Rotate left by status bit CC 1
RLDA
nn
✔
✔
✔
Rotate right by status bit CC 1
RRDA
nn
Loading and transferring the registers in STL
Information on S7
-400: The controllers have four accumulators.
You will find only the instructions for two accumulators in the
list below.
Loading
✔
✔
✔
Loading
nn
L
nn
✔
✔
✔
Load status word in accumulator 1
L STW
nn
✔
✔
✔
Load AR1 with contents of accumulator 1
LAR1
nn
✔
✔
✔
Load AR1 with double word or area pointer
LAR1 <D>
nn
✔
✔
✔
Load AR1 with contents of AR2
LAR1 AR2
nn
✔
✔
✔
Load AR2 with contents of accumulator 1
LAR2
nn
✔
✔
✔
Load AR2 with double word or area pointer
LAR2 <D>
nn
Transfer
✔
✔
✔
Transfer
nn
T
nn
✔
✔
✔
Transfer accumulator 1 to status word
T STW
nn
✔
✔
✔
Switch AR1 and AR2
CAR
nn
✔
✔
✔
Transfer AR1 to accumulator 1
TAR1
nn

Siemens SIMATIC S7-1500T Specifications

General

Brand	Siemens
Model	SIMATIC S7-1500T
Category	Controller
Language	English