Block Call Instructions - Siemens CPU 412-1 Instruction Manual

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-
Address Address
struc- struc-
ID
tion
CALL FB q, DB q Unconditional call of an FB, with
parameter transfer
CALL SFB q, Unconditional call of an SFB,
DB q with parameter transfer
CALL FC q Unconditional call of a function,
with parameter transfer
CALL SFC q Unconditional call of an SFC,
with parameter transfer
Status word for: CALL
Instruction evaluates:
Instruction affects:
1)
The instruction length depends on the block number from
(0...255 or more)
3)
Plus time required for supplying parameters
S7-400 Instruction List
A5E00267845-01
Length Length
Description Description
in in
Words
15/17
16/17
7/8
8
BR CC1
– –
– –
Execution Time in ms
CPU 412 CPU 414
1) 3)
4.0 2.4
1) 3)
4.0 2.4
1) 3)
3.2 1.92
3)
3.2 1.92
CC0 OV OS
– – –
– – 0
Block Call Instructions
CPU 416 CPU 417
3) 3)
1.6
3) 3)
1.6
3) 3)
1.28
3) 3)
1.28
OR STA RLO
– – –
0 1 –
3)
1.26
3)
1.26
3)
1.02
3)
1.02
/FC
–
0
86