Jump Instructions
94
S7-400 Instruction List
A5E00267845-01
Jump Instructions, continued
Instruc-
tion
Address
ID
Description
Length
in
Execution Time in
s
Instruc-
tion
Address
ID
Description
in
Words
CPU 412
CPU 414
CPU 416
CPU 417
JUO
LABEL
Jump if “unordered math
instruction” (CC1=1 and CC0=1)
2
0.6/0.125
2)
0.36/0.075
2)
0.24/0.05
2)
0.21/0.042
2)
JZ
LABEL
Jump if result = 0
(CC1=0 and CC0=0)
2
0.6; 0.125
2)
0.36; 0.075
2)
0.24; 0.05
2)
0.24; 0.05
2)
JP
LABEL
Jump if result > 0
(CC1=1 and CC0=0)
2
0.6; 0.125
2)
0.36; 0.075
2)
0.24; 0.05
2)
0.24; 0.05
2)
JM
LABEL
Jump if result < 0
(CC1=0 and CC0=1)
2
0.6; 0.125
2)
0.36; 0.075
2)
0.24; 0.05
2)
0.24; 0.05
2)
JN
LABEL
Jump if result
0
0 (CC1=1 and
CC0=0) or (CC1=0 and CC0=1)
2
0.6; 0.125
2)
0.36; 0.075
2)
0.24; 0.05
2)
0.24; 0.05
2)
Status word for:
JUO, JZ, JP, JM,
JN,
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
Yes
Yes
–
–
–
–
–
–
Instruction affects:
–
–
–
–
–
–
–
–
–
2)
If jump is not executed