Mitsubishi Electric M800VW Series Programming Manual page 227

M800V/M80V Series PLC Programming Manual (1/2)
8 Function Instructions
8.2 Arithmetic Operation Instructions
DINC, DINCP, DDEC, DDECP: Incrementing and decrementing 32-bit BIN data
Setting
Bit devices
data
X Y M L F
X Y M L F
D
○ ○ ○ ○ ○
[Instruction symbol] [Execution condition]
DINC, DDEC
DINCP, DDECP
 Setting data
Setting data
Head No. of the device to execute DINC (increment) or DDEC (decrement) opera-
D
tion
 Functions
DINC
 Adds "1" to the device designated by "D" (32-bit data).
D+1 D
b31 b16 b15 b0
73500 (BIN)
 If the value of the device designated by "D" is "2147483647" and the DINC or DINCP instruction is executed, the value "-
2147483648" will be stored in the device designated by "D".
DDEC
 Subtracts "1" from the device designated by "D" (32-bit data).
D+1 D
b31 b16 b15 b0
73500 (BIN)
 If the value of the device designated by "D" is "0", and the DDEC or DDECP instruction is executed, the value "-1" will be
stored at the device designated by "D".
 Operation errors
 There are no arithmetic errors associated with the DINC(P) or DDEC(P) instruction.
IB-1501667-B
Usable devices
B SB T SM V T C
B SB T SM V T C
○ ○ ○ ○ ○
Command
Command
Meaning
D+1
b31 b16 b15
73501 (BIN)
1
D+1
b31 b16 b15
73499 (BIN)
1
Word devices
D R/ZR W SW SD Z
D R/ZR W SW SD Z
○ ○ ○ ○ ○
D
b0
D
b0
206
Digit
Con-
Pointer designa- Index
stant
tion
K H P
K H P
○
indicates the signs DINC/DDEC
D
P D
Data type
BIN 32 bits
○