Evaluating Conditions Using AND, OR and EXCLUSIVE OR
36
S7-400 Instruction List
A5E00267845-01
Evaluating Conditions Using AND, OR and EXCLUSIVE OR, continued
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
A/AN
O/ON
X/XN
>=0
Result>=0
((CC1=1 and CC0=0) or (CC1=0 and
CC0=0))
1
0.1
0.06
0.04
0.03
<=0
Result<=0
((CC1=0 and CC0=1) or (CC1=0 and
CC0=0))
1
0.1
0.06
0.04
0.03
Status word for:
A/AN/O/ON/X/XN
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
Yes
Yes
–
–
Yes
–
Yes
Yes
Instruction affects:
–
–
–
–
–
Yes
Yes
Yes
1