Siemens CPU 414-2 - Load and Transfer Instructions for Address Registers

Load and Transfer Instructions for Address Registers
57
S7-400 Instruction List
A5E00267845-01
Load and Transfer Instructions for Address Registers
Loading a double word from a memory area or register into address register 1 (AR1) or address register 2 (AR2). The status word is not
affected.
Instruc-
Address
Description
Length
in
Execution Time in s
Instruc-
tion
Address
ID
Description
Length
in
Words
CPU 412 CPU 414 CPU 416 CPU 417
LAR1
–
AR2
DBD a
DID a
m
LD a
MD a
Load contents from ...
ACCU1
Address register 2
Data double word
Instance data double word
32-bit constant as pointer
Local data double word
Bit memory double word
... into AR1
1
1
2
2
3
2
2
0.2
0.2
0.3
0.3
0.2
0.2
0.2
0.12
0.12
0.18
0.18
0.12
0.12
0.12
0.08
0.08
0.12
0.12
0.08
0.08
0.08
0.06
0.06
0.12
0.12
0.062
006
006
LAR2
–
DBD a
DID a
m
LD a
MD a
Load contents from ...
ACCU1
Data double word
Instance data double word
32-bit constant as pointer
Local data double word
Bit memory double word
... into AR2
1
2
2
3
2
2
0.2
0.3
0.3
0.2
0.2
0.2
0.12
0.18
0.18
0.12
0.12
0.12
0.08
0.12
0.12
0.08
0.08
0.08
0.06
0.12
0.12
0.062
0.06
0.06