Filter
Top Products
6F3B0250
Basic Hardware and Function
173
7. Instructions
FUN 045
-
1 Decrement
Expression
Input
-
[
-
1
A
]
-
Output
Function
When the input is ON, the data of
A
is decreased by 1 and stored in
A
.
Execution condition
Input Operation Output
OFF No execution OFF
ON Execution ON
Operand
Name Device Re
g
ister Constant Index
X Y R S T. C. XW YW RW SW T C D I J K
A
Operation data
ÖÖÖÖÖÖÖÖÖ Ö
Example
At the rising edge of X005 changes from OFF to ON, the data of D0050 is decreased by 1 and
stored in D0050.
If the data of D0050 is 1022 before the execution, it will be 1021 after the execution.
D0050 D0050
1022
-
1 1021
Note
·
There is no limit value for this instruction. When the data of operand
A
is -32768 before the
execution, it will be 32767 after the execution.
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net