Omron CJ - PROGRAMMING MANUAL 12-2009 - Page 95

55
Basic Concepts Section 2-1
4. Complex Rungs
Z
0000
00
0000
03
0000
01
0000
02
0002
04
0000
05
0000
04
0000
07
0000
06
0000
00
0000
03
0000
01
0000
02
Z
0000
00
Z
0000
03
0000
02
0000
00
0000
01
0000
00
0000
03
0000
02
0002
04
0000
05
b
0000
01
a d
0000
04
0000
06
0000
07
e
c
0000
00
0000
03
0000
02
0002
05
0000
03
0000
01
0000
00
0000
05
0000
04
0000
06
0000
04
0000
07
0000
00
LD
000001
AND
LD
000004
LD
LD
000007
OR LD ---
AND LD ---
OR LD ---
AND LD ---
OUT
LD NOT
AND NOT
AND NOT
000000
000002
000003
000005
000006
000205
LD
LD
LD
AND
OR LD ---
AND LD ---
LD
AND
OR LD ---
LD
AND
OR LD ---
OUT
000000
000001
000002
000003
000004
000005
000006
000007
000204
a
b
c
d
e
d + e
(d + e) · c
(d + e) · c + b
((d + e) · c + b) · a
Instruction Operand
Instruction Operand
Block
Block
Block Block
Block
The above rung can be rewritten as follows:
The diagram above is based on the diagram below.
A simpler program can be written by rewriting
this as shown below.