Mitsubishi MELSEC-A series

6. BASIC INSTRUCTIONS
6 − 36
MELSEC-A
6.2.10 32-bit BIN data increment, decrement
(DINC, DINCP, DDEC, DDECP)
Available Device
Bit device Word (16-bit) device Constant Pointer
Level
Carry
flag
Error
flag
X Y M L S B F T C D W R A0 A1 Z V K H P I N
Digit specification
Index
M9012 (M9010, M9011)
(D)
O O O O O O O O O O O O O O O O O
Functions DINC
(1) Performs the addition of 1 to the device (32-bit data) specified at (D).
(2) If DINC or DINCP is executed when the content of device specified at (D) is
2147483647, - 2147483648 is stored into the device specified at (D)
DDEC
(1) Performs the subtraction of 1 from the device (32-bit data) specified at (D).
(2) If DDEC or DDECP is executed when the content of device specified at (D) is 0,
- 1is stored into the device specified at (D).
Execution Conditions
Applicable
CPU
All CPUs
K1
to
K8
DINC, DDEC commands
(
D
)
(
D
)
(D)
Head device number for
DINC (+1), DDEC(-1)
Setting data
DINC, DDEC
Indicates the instruction symbol.
DINC, DDEC
commands
Executed
per scan
Executed
per scan
Executed
only once
P
P
Executed
only once
ON
OFF