Rockwell Automation Allen-Bradley 1794-IA16, Installation Instructions Manual

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FLEX I/O AC Digital Input Modules 15
Publication 1794-IN102C-EN-P - July 2015
For example, to increase the off-to-on filter time to 12 ms for all inputs at address rack 1,
module group 0, set bits and program as shown below.
To increase the filter time, set the bits according to the Input Filter Time table.
Input Filter Time
Bits Description
Selected
Filter Time
Maximum
Filter Time
(ms)
1794-IA8 Maximum
Filter Time
(ms)
1794-IA8I Maximum
Filter Time
(ms)
1794-IA16
02 01 00 Filter Time –
inputs 00...11
Off
to
On On
to
Off Off
to
On On
to
Off Off
to
On On
to
Off
05 04 03 Filter Time –
inputs 12...15
0 0 0 Filter Time 0 (Default) 256
μ
s 8.4 26.4 8.4 26.4 7.5 26.5
0 0 1 Filter Time 1 512
μ
s 8.6 26.6 8.6 26.6 8 27
0 1 0 Filter Time 2 1 ms 9 27 9 27 9 28
0 1 1 Filter Time 3 2 ms 10 28 10 28 10 29
1 0 1 Filter Time 4 4 ms 12 30 12 30 12 31
1 0 1 Filter Time 5 8 ms 16 34 16 34 16 35
1 1 0 Filter Time 6 16 ms 24 42 24 42 24.5 44
1 1 1 Filter Time 7 32 ms 40 58 40 58 42 60.5
1
0 0
7 6 5 4 3
FLL
I:000
00
Fill File
Source
Destination
Length
#O:010
1
Write FT to complement
of input module.
Write filter time on system startup.
7 6 5 4 3 2 1 0
0 1 0
= 4 Octal or 4 Decimal
2 1 0
= 44 Octal or 36 Decimal
0 1 0 1 0 0
1794-IA8
1794-IA16
1794-IA8I