Siemens CPU 414-2 - Page 60

Load and Transfer Instructions for Address Registers
58
S7-400 Instruction List
A5E00267845-01
Load and Transfer Instructions forAddress Registers, continued
Transferring a double word from address register 1 (AR1) or address register 2 (AR2) to a memory area or register. The contents of
ACCU1 are first saved to ACCU2. 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
TAR1
–
AR2
DBD a
DID a
LD a
MD a
Transfer contents from AR1 in ...
ACCU1
Address register 2
Data double word
Instance data double word
Local data double word
Bit memory double word
1
1
2
2
2
2
0.1
0.2
0.125
0.125
0.125
0.125
0.06
0.12
0.075
0.075
0.075
0.075
0.04
0.08
0.05
0.05
0.05
0.05
0.03
0.06
0.042
0.042
0.042
0.042
TAR2
–
DBD a
DID a
LD a
MD a
Transfer contents from AR2 in ...
ACCU1
Data double word
Instance data double word
Local data double word
Bit memory double word
1
2
2
2
2
0.1
0.125
0.125
0.125
0.125
0.06
0.075
0.075
0.075
0.075
0.04
0.05
0.05
0.05
0.05
0.03
0.042
0.042
0.042
0.042
CAR Exchange the contents of AR1
and AR2
1 0.2 0.12 0.08 0.06