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Load And Transfer Instructions For Address Registers - Siemens CPU 412-1 Instruction Manual

S7-400; cpu 412 series; cpu 414 series; cpu 416 series; cpu 417 series;.
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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-
Instruc-
Address
Address
tion
ID
LAR1
Load contents from ...
ACCU1
AR2
Address register 2
DBD
a
Data double word
DID
a
Instance data double word
m
32-bit constant as pointer
LD
a
Local data double word
MD
a
Bit memory double word
... into AR1
LAR2
Load contents from ...
ACCU1
DBD
a
Data double word
DID
a
Instance data double word
m
32-bit constant as pointer
LD
a
Local data double word
MD
a
Bit memory double word
... into AR2
S7-400 Instruction List
A5E00267845-01
Length
Length
Description
Description
in
in
Words
1
1
2
2
3
2
2
1
2
2
3
2
2
Load and Transfer Instructions for Address Registers
Execution Time in ms
CPU 412
CPU 414
0.2
0.12
0.2
0.12
0.3
0.18
0.3
0.18
0.2
0.12
0.2
0.12
0.2
0.12
0.2
0.12
0.3
0.18
0.3
0.18
0.2
0.12
0.2
0.12
0.2
0.12
CPU 416
CPU 417
0.08
0.06
0.08
0.06
0.12
0.12
0.12
0.12
0.08
0.062
0.08
006
0.08
006
0.08
0.06
0.12
0.12
0.12
0.12
0.08
0.062
0.08
0.06
0.08
0.06
57

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