Setting The Input Filter Time; Input Filter Times - AB Quality 1794-IB16 Installation Instructions Manual

24V dc FLEX I/O 16 Sink Input Module 9

Setting the Input Filter Time

You can select the input filter time (FT) for each group of channels (channels 00
through 11, or channels 12 through 15). Select the input filter time by setting the
corresponding bits in the output image table (complementary word) for
the module.
For example, to set a filter time of 4ms for a dc input module at address
rack 1, module group 0, set bits 05, 04, 03, 02, 01, and 00 as shown
below.
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
O:010
1 0 0
FT = 12 15
Write Filter Time on system startup.
FLL
I:000
Fill File
Source
Destination
00
Length

Input Filter Times

Bits Description
02 01 00 Filter Time for Inputs 00-11 (00-13)
05 04 03 Filter Time for Inputs 12-15 (14-17)
0 0 0 Filter Time 0 (default)
0 0 1 Filter Time 1
0 1 0 Filter Time 2
0 1 1 Filter Time 3
1 0 0 Filter Time 4
1 0 1 Filter Time 5
1 1 0 Filter Time 6
1 1 1 Filter Time 7
Publication 1794 IN072C-EN-P - October 2001
Dec.
= 44 Octal or 36 Decimal
1 0 0
FT = 00-11
Write FT to complement
of input module.
36
#O:010
1
Selected Selected
Filter Time Filter Time
256µs
512µs
1ms
2ms
4ms
8ms
16ms
32ms