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.
Length
Execution Time in s
tion
ID
Words
CPU 412 CPU 414 CPU 416 CPU 417
==R ACCU2=ACCU1 1 0.1 0.06 0.04 0.03
<>R
ACCU20ACCU1
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