Siemens SIMATIC IM 151/CPU User Manual

Instruction List
B-19
ET 200S Interface Module IM 151/CPU
A5E00058783-01
B.11 Logic Instructions with Condition Code Bits
Examination of the signal state of the specified conditions and gating of the result
with the RLO in accordance with the appropriate logic function.
In-
struc-
tion
Address
ID
Description
Length
in
Words
Typical Execution
Time in s
A ==0 AND result=0
(CC 1=0) and (CC 0=0)
1 0.6
>0 AND result>0
(CC 1=1) and (CC 0=0)
1 0.9
<0 AND result<0
(CC 1=0) and (CC 0=1)
1 0.9
<>0 AND result0
((CC 1=0) and (CC 0=1) or (CC 1=1) and (CC
0=0))
1 0.6
<=0 AND result<=0
((CC 1=0) and (CC 0=1) or (CC 1=0) and (CC
0=0))
1 0.6
>=0 AND result>=0
((CC 1=1) and (CC 0=0) or (CC 1=0) and (CC
0=0))
1 0.6
AO AND unordered
(CC 1=1) and (CC 0=1)
1 0.6
OS AND OS=1 1 0.3
BR AND BR=1 1 0.3
OV AND OV=1 1 0.3
Status word for: A condition BR A1 A0 OV OS OR STA RLO /FC
Instruction depends on: Yes Yes Yes Yes Yes Yes – Yes Yes
Instruction controls: – – – –- – Yes Yes Yes 1

Siemens SIMATIC IM 151/CPU Specifications

General

Brand	Siemens
Model	SIMATIC IM 151/CPU
Category	Control Unit
Language	English