Siemens CPU 414-2 - Block Call Instructions; CALL FB q, DB q; CALL SFB q, DB q; CALL FC q

Block Call Instructions
86
S7-400 Instruction List
A5E00267845-01
Block Call Instructions
The runtimes of the System Functions are specified in the chapter entitled “System Functions” as of page 106.
The information on the status word only relates to the block call itself and not to the commands called in this block.
In-
struc-
Address
Description
Length
in
Execution Time in s
struc-
tion
Address
ID
Description
Length
in
Words
CPU 412 CPU 414 CPU 416 CPU 417
CALL FB q, DB q Unconditional call of an FB, with
parameter transfer
15/17
1)
4.0
3)
2.4
3)
1.6
3)
1.26
3)
CALL SFB q,
DB q
Unconditional call of an SFB,
with parameter transfer
16/17
1)
4.0
3)
2.4
3)
1.6
3)
1.26
3)
CALL FC q Unconditional call of a function,
with parameter transfer
7/8
1)
3.2
3)
1.92
3)
1.28
3)
1.02
3)
CALL SFC q Unconditional call of an SFC,
with parameter transfer
8 3.2
3)
1.92
3)
1.28
3)
1.02
3)
Status word for: CALL BR CC1 CC0 OV OS OR STA RLO /FC
Instruction evaluates: – – – – – – – – –
Instruction affects: – – – – 0 0 1 – 0
1)
The instruction length depends on the block number from
(0...255 or more)
3)
Plus time required for supplying parameters