
16
Rockwell Automation Publication 1794-IN102D-EN-P - July 2018
FLEX I/O AC Digital Input Modules
Input Filter Time
Specifications
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 μs
8.4
26.4
8.4
26.4
7.5
26.5
0
0
1
Filter time 1
512 μs
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
Specifications – 1794-IA8, 1794-IA8I
Attribute
1794-IA8
1794-IA8I
Number of inputs
8, nonisolated
8, isolated
Recommended terminal base unit
1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, 1794-TBKD, 1794-
TB3K, 1794-TB3SK, 1794-TBNK
On-state voltage, min
65V AC
On-state voltage, nom
120V AC
On-state voltage, max
132V AC
On-state current, min
(1)
7.1 mA