Mitsubishi Electric MELDAS C6 Programming Manual page 201

DDEC, DDECP ... (32-bit BIN data) –1
Bit device
X Y M L F B SB T SM V T
D
DDEC
DDECP
Function
(1) The device (32-bit data) designated with D is decremented by one.
D+1
B31 ......... B16 B15 ......... B0
73500 (BIN)
(2) If DDEC or DDECP is executed when the data of the device designated with D is 0, -1 will be
stored in the device designated with D.
Execution conditions
The execution conditions for the DDEC, DDECP commands are as shown below.
Command OFF
DDEC
DDECP
8. Function Commands
DDEC, DDECP
Usable device
Word device
C D R W SW Z SD K
Decrement command
DDEC
DDECP D
D
-1
ON
Executed per scan
- 192 -
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Con-
Pointer
stant
H P
D Setting data
Head No. of device to be
D
decremented (-1)
D+1 D
B31 ......... B16 B15 ......... B0
73499 (BIN)
Executed per scan
Digit
No. of
desig- Index
steps
nation
2