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Load Instructions For Db Number And Db Length - 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 Instructions for DB Number and DB Length

Loading the number/length of a data block into ACCU1. The old contents of ACCU1 are saved to ACCU2. The status word is not affected.
Instruc-
Instruc-
Address
Address
tion
ID
L
DBNO
Load number of data block
L
DINO
Load number of instance data
block
L
DBLG
Load length of data block into
byte
L
DILG
Load length of instance data
block into byte
S7-400 Instruction List
A5E00267845-01
Length
Length
Description
Description
in
in
Words
1
1
1
1
Load Instructions for DB Number and DB Length
Execution Time in ms
CPU 412
CPU 414
0.1
0.06
0.1
0.06
0.1
0.06
0.1
0.06
CPU 416
CPU 417
0.04
0.03
0.04
0.03
0.04
0.03
0.04
0.03
60

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