Filter
Top Products
272
T1/T1S User’s Manual
8. Special I/O Functions
8.2 Variable input filter constant
Function
The input filter constant (ON/OFF delay time) of the leading 8 points X000 to X007 can
be specified by user program within the range of 0 to 15 ms. The default is 10 ms.
The setting value is recognized at the first scan. Therefore, it cannot be changed after
the second scan.
Related registers
SW16 Function selection. Refer to section 8.1.
SW17 Input filter constant value
FEDCBA9876543210
No use (set to 0)
Setting value
0 to 15
Operation
Input signal
Internal logic
Scan cycle
X device
T: Input filter constant (0 to 15 ms)
Sample program
This program sets the input filter constant to 3 ms.
NOTE
For the AC input types, this function works as extended delay time.
On delay time = 25 ms + setting time
Off delay time = 30 ms + setting time
TTTT
CTi Automation - Phone: 800.894.0412 - Fax: 208.368.0415 - Web: www.ctiautomation.net - Email: info@ctiautomation.net