Mitsubishi MELSEC-A series

6. BASIC INSTRUCTIONS
6 − 34
MELSEC-A
6.2.9 16-bit BIN data increment, decrement
(INC, INCP, DEC, DECP)
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 INC
(1) Performs the addition of 1 to the device (16-bit data) specified at (D).
(2) If INC or INCP is executed when the content of device specified at (D) is 32767,
-32768 is stored into the device specified at (D).
DEC
(1) Performs the subtraction to 1 from the device (16-bit data) specified at (D).
(2) If DEC or DECP is executed when the content of device specified at (D) is
-32768, 32767 is stored into the device specified at (D).
Execution Conditions
Applicable
CPU
All CPUs
INC, DEC commands
K1
to
K4
(D)
(D)
(D)
Head device number for
INC (+1), DEC (-1)
Setting data
INC, DEC
Indicates the instruction symbol.
INC, DEC
commands
Executed
per scan
Executed
per scan
Executed
only once
P
P
ON
OFF
Executed
only once