Jump Instructions
91
S7-400 Instruction List
A5E00267845-01
Jump Instructions
Jumping as a function of conditions.
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
JU
LABEL
Jump unconditionally
2
0.6
0.36
0.24
0.21
Status word for:
JU
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
–
–
–
–
–
–
–
–
JC
LABEL
Jump if RLO = “1”
2
0.6; 0.125
2)
0.36; 0.075
2)
0.24; 0.05
2)
0.21; 0.042
2)
JCN
LABEL
Jump if RLO = “0”
2
0.6/0.125
2)
0.36/0.075
2)
0.24/0.05
2)
0.21/0.042
2)
Status word for:
JC, JCN
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
Yes
–
Instruction affects:
–
–
–
–
–
0
1
1
0
2)
If jump is not executed