Delta CFP2000 Series User Manual page 644

API
DEC
25
D P
Bit device
X Y M K
D
Notes on operand usage: none
D

If a command is not the pulse execution type, when the command is executed, the

program will add 1 to the content of device
This command is ordinarily used as a pulse execution type command (DECP).

During 16-bit operation, -32,768 -1 will change the value to 32,767. During 32 bit

operation, -2,147,483,648 -1 will change the value to 2,147,483,647.
When X0=Off→On, 1 is automatically subtracted from the content of D0.

X0
D
Word device
H KnX KnY KnM T
＊ ＊
: Destination device.
DECP D0
Chapter 16 PLC Function Applications│CFP2000
BIN subtract one
16-bit command (3 STEP)
DEC Continuous
C D
execution type
32-bit command (5 STEP)
DDEC Continuous
execution type
Flag signal: none
D
for each scanning cycle.
16-71
DECP Pulse
execution type
DDECP Pulse
execution type