Rockwell Automation 1794-APBDPV1 FLEX I/O PROFIBUS Adapter User Manual User Manual
Page 25
Publication 1794-UM064B-EN-P - May 2014
Communicate With Your Module 13
1794-IB16 – 16-point Digital Input Module Image Table Mapping
1794-IB8 Memory Map
Decimal Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Size
Octal Bit
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Read Words
Not used
D7
D6
D5
D4
D3
D2
D1
D0
Read Word 0
Not used
Read Word 1
Not used
FT 00…07
Write Word 0
Where:
D = Input Data (D0 corresponds to input 0, D1 corresponds to input 1, and so on)
DT = Input Filter Time (FT 00…07 corresponds to inputs 0…7)
1794-IB8 Input Filter Times
Description
Selected
Filter Time
02
01
00
Filter Time for Inputs 00…07
0
0
0
Filter Time 0 (default)
0.256 ms
0
0
1
Filter Time 1
0.512 ms
0
1
0
Filter Time 2
1 ms
0
1
1
Filter Time 3
2 ms
1
0
0
Filter Time 4
4 ms
1
0
1
Filter Time 5
8 ms
1
1
0
Filter Time 6
16 ms
1
1
1
Filter Time 7
32 ms
1794-IB16 Memory Map
Decimal Bit
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Size
Octal Bit
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00
Read Words
D15
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Read Word 0
Counter
Read Word 1
Not used
DF
RC
FT 12…15
FT 00…07
Write Word 0
Where:
D = Input Data (D0 corresponds to input 0, D1 corresponds to input 1, and so on)
DT = Input Filter Time (FT 00…11 corresponds to inputs 0…11; FT 12…15 corresponds to inputs 12…15)
DF = Disable Filter
RC = Reset Counter
Filter
Time
Counter
Filter
Time
RC
DF
1127