Rockwell Automation 1761-HHP-B30 MicroLogix 1000 with Hand-Held Programmer (HHP) - Manual (Page 310)

Chapter 16
Instruction List Programming
16–6
Output Branching with Block Connections
The example below shows how you use ANB and ORB instructions in a
rung’s output circuit. (See page 8–12 for more information regarding the use
of these instructions.)
 


NEW RUNG
LD a

MPS
LD b
AND c
OR d
 ANB
OUT e
 MPP
LD f
AND g
LD h
AND i
 ORB
 ANB
AND j
OUT k
Optimized
h i
a
f g
d
b c
j k
e
NEW RUNG
LD a
MPS
LD b
LD c
ANB
LD d
ORB
ANB
OUT e
MPP
LD f
LD g
ANB
LD h
LD i
ANB
ORB
ANB
AND j
OUT k
Option 1


Nested Output Branches
The example below requires multiple MPS/MPP instructions in a rung. (See
page 8–10 for more information regarding the use of these instructions.)



NEW RUNG
LD a

MPS
AND b
OUT c
 MRD
AND d
 MPS
AND e
OUT f
 MPP
AND g
OUT h
 MPP
AND i
OUT j
Optimized
d
i
a
g
b c
NEW RUNG
LD a
MPS
LD b
ANB
OUT c
MRD
LD d
ANB
MPS
LD e
ANB
OUT f
MPP
LD g
ANB
OUT h
MPP
LD i
ANB
OUT j
Option 1
f
j
h
e