Delta C200 Series User Manual page 296

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Data register
The structure of ladder diagram and information:
Ladder Diagram
Structure
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numbering in decimal system. The different number range corresponds with
the different timing period.
PLC needs to handle data and operation when controlling each order, timer value
and counter value. The data register is used to store data or parameters. It stores
16-bit binary number, i.e. a word, in each register. It uses two continuous number
of data register to store double words.
Equipment indication: D0, D1,...,D399. The symbol of equipment is D and
numbering in decimal system.
Explanation
Normally open, contact a
Normally closed, contact b
Serial normally open
Parallel normally open
Parallel normally closed
Rising-edge trigger switch
Falling-edge trigger switch
Rising-edge trigger in serial
Falling-edge trigger in
serial
Rising-edge trigger in
parallel
Falling-edge trigger in
parallel
Block in serial
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Chapter 14 PLC Function |C200 Series
Command
LD
LDI
AND
OR
ORI
LDP
LDF
ANDP
ANDF
ORP
ORF
ANB
14-11
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Device
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
X, Y, M, T, C
none
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