Chapter 14 PLC Function
|
C200 Series
14-13
AND
M1
ORB
5 LD
Y1
AND
X4
The explanation of command order:
6 LD
T0
AND
M3
ORB
7 ANB
8 OUT
Y1
TMR T0 K10
The detail explanation of basic structure of ladder diagram
1.
LD (LDI) command:
give the command LD or LDI in the start of a block.
AND Block
OR Block
LD command
LD command
The structures of command LDP and LDF are similar to the command LD. The difference is that
command LDP and LDF will act in the rising-edge or falling-edge when contact is ON as shown
in the following.
X0
OFF
ON
OFF
Time
Falling-edge
X0
OFF
ON
OFF
Time
Rising-edge
2.
AND (ANI) command:
single device connects to a device or a block in series.
AND command
AND command
The structures of ANDP and ANDF are the same but the action is in rising-edge or falling-edge.
3.
OR (ORI) command:
single device connects to a device or a block.
OR command
OR command
OR command
The structures of ORP and ORF are the same but the action is in rising-edge or falling-edge.
4.
ANB command:
a block connects to a device or a block in series.
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Call 1(800)985-6929 for Sales
deltaacdrives.com
sales@deltaacdrives.com