272 T1/T1S User’s Manual
8. Special I/O Functions

8.2 Variable input filter constant

Function
The input filter const ant ( ON/OFF delay time) of the leading 8 point s X000 to X007 can
be specified by user program within the rang e of 0 to 15 ms . The default is 10 m s.
The sett ing value is recognized at the f ir st scan. Ther efore, it cannot be changed aft er
the second scan.
Related regist ers
SW16 Function selection. Refer to sect ion 8. 1.
SW17 Input filter const ant value
FEDCBA9876543210
No use (set to 0)
Setting value
0 to 15
Operation
Input sig nal
Internal logic
Scan cycle
X device
T: I nput filter constant (0 to 15 m s)
Sample program
This program sets t he 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
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