Comparison Instructions (32-Bit Real Numbers)
74
S7-400 Instruction List
A5E00267845-01
Comparison Instructions (32-Bit Real Numbers)
Comparing the 32-bit real numbers in ACCU1 and ACCU2. RLO = 1 if the condition is satisfied.
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
==R
ACCU2=ACCU1
1
0.1
0.06
0.04
0.03
<>R
ACCU2
0
ACCU1
1
0.1
0.06
0.04
0.03
<R
ACCU2<ACCU1
1
0.1
0.06
0.04
0.03
<=R
ACCU2<=ACCU1
1
0.1
0.06
0.04
0.03
>R
ACCU2>ACCU1
1
0.1
0.06
0.04
0.03
>=R
ACCU2>=ACCU1
1
0.1
0.06
0.04
0.03
Status word for:
==R, <>R, <R, <=R,
>R, >=R
BR
CC1
CC0
OV
OS
OR
STA
RLO
/FC
Instruction evaluates:
–
–
–
–
–
–
–
–
–
Instruction affects:
–
Yes
Yes
Yes
Yes
0
Yes
Yes
1