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Exchanging Shared Data Block and Instance Data Block
90
S7-400 Instruction List
A5E00267845-01
Exchanging Shared Data Block and Instance Data Block
Exchanging the two current data blocks. The current shared data block becomes the current instance data block, and vice versa. The sta-
tus 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
CDB
Exchange shared data block and
instance data block
1
0.2
0.12
0.08
0.06