Block Call Instructions
87
S7-400 Instruction List
A5E00267845-01
Block Call Instructions, continued
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
UC
FB q
FC q
FB [e]
FC [e]
Parameter
Unconditional call of blocks,
without parameter transfer
Memory-indirect FB call
Memory-indirect FC call
FB/FC call via parameter
1
1)
/2
2
2
2
2.2
2.2
2.2+
2.2+
2.2+
1.32
1.32
1.32+
1.32+
1.32+
0.88
0.88
0.88+
0.88+
0.88+
0.72
0.72
0.72+
0.72+
0.72+
CC
FB q
FC q
FB [e]
FC [e]
Parameter
Conditional call of blocks, without
parameter transfer
Memory-indirect FB call
Memory-indirect FC call
FB/FC call via parameter
1
1)
/2
2
2
2
2.2/0.5
4)
2.2/0.5
4)
2.2+/0.5
4)
2.2+/0.5
4
2.2+/0.5
4
1.32/0.3
4)
1.32/0.3
4)
1.32+/0.3
4)
1.32+/0.3
4)
1.32+/0.3
4)
0.88/0.2
4)
0.88/0.2
4)
0.88+/0.2
4)
0.88+/0.2
4)
0.88+/0.2
4)
0.72/0.18
4)
0.72/0.18
4)
0.72+/0.18
4)
0.72+/0.18
4)
0.72+/0.18
4)
Status word for:
UC, CC
2)
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
–
–
–
0
0
1
–
0
+
Plus time required for loading the address of the instruction (see page 20)
1)
With direct instruction (DB) addressing; Block No. 0 to 255
2)
Depending on RLO, sets RLO = 1
4)
If call is not executed