Delta C2000 series User Manual page 434

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.
The structure of ladder diagram and information:
Ladder Diagram
Structure
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
Block in parallel
16-11
Chapter 16 PLC Function |C2000 Series
Command
LD
LDI
AND
OR
ORI
LDP
LDF
ANDP
ANDF
ORP
ORF
ANB
ORB
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
none