Specifications

SIMATIC Instructions
9-195
S7-200 Programmable Controller System Manual
C79000-G7076-C233-01
LAD STL
NETWORK 1
LD I0.0
LD I0.1
LD I2.0
A I2.1
OLD
ALD
= Q5.0
I0.0 I0.1
I2.0 I2.1
NETWORK 2
LD I0.0
LPS
LD I0.5
O I0.6
ALD
= Q7.0
LRD
LD I2.1
O I1.3
ALD
= Q6.0
LPP
A I1.0
= Q3.0
I0.0 I0.5
I0.6
Q6.0I2.1
I1.3
Q3.0I1.0
Q7.0
Network 1
Network 2
Q5.0
Figure 9-78 Example of Logic Stack Instructions for LAD and STL
OR
Network 1
AND
AND
OR
I2.0
I2.1
I0.1
I0.0
Q5.0
Network 2
AND
OR
I0.0
SM0.0
I0.5
I0.6
I2.1
I1.3
I1.0
Q7.0
AND
Q6.0
AND
Q3.0
AND
FBD
Figure 9-79 Example of Logic Stack Instructions for FBD