C40K-CDR-A Omron, C40K-CDR-A Datasheet - Page 48
![no-image](/images/manufacturer_photos/0/4/494/omron_sml.jpg)
C40K-CDR-A
Manufacturer Part Number
C40K-CDR-A
Description
PROGRAMMABLE CONTROLLER CPU
Manufacturer
Omron
Datasheet
1.C28P-EDR-A.pdf
(225 pages)
Specifications of C40K-CDR-A
Leaded Process Compatible
No
Peak Reflow Compatible (260 C)
No
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
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The Ladder Diagram
36
The following diagram must be broken down into two blocks and each of
these then broken into two blocks before it can be coded. As shown below,
blocks a and b require an AND LD. Before AND LD can be used, however,
OR LD must be used to combine the top and bottom blocks on both sides,
i.e., to combine a1 and a2; b1 and b2.
This type of diagram can be coded easily if each block is worked with in or-
der first top to bottom and then left to right. In the following diagram, blocks a
and b would be combined with AND LD as shown above, and then block c
would be coded and a second AND LD would be used to combine it with the
execution condition from the first AND LD, and so on through to block n.
0000
0002
Address
Block
0000
0001
0002
0003
0004
0005
0006
0007
0008
0009
0010
0011
Block
Block
Block
a
a1
a2
a
0001
0003
Instruction
LD
AND NOT
LD NOT
AND
OR LD
LD
AND
LD
AND
OR LD
AND LD
OUT
Block
b
0004
0006
Block
Block
Block
b1
b2
b
0005
0007
Block
c
Operands
0000
0001
0002
0003
0004
0005
0006
0007
0103
---
---
---
Block
Blocks a1 and a2
Blocks b1 and b2
Blocks a and b
n
Section 4-3
0103
00
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