Siemens CPU 414-2 - UC; CC

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