Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual - Manual (Page 32)

2–12 How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
1794ĆIA8 - 8Ćpoint Discrete Input Module Image Table Mapping
Module Image
Inputs
Filter
Time
I/O Image
Not used
Not used
Not used
Input Size
Output Size
0 or 1 Word
1 or 2 Words Read
Write
1794ĆIA8 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 1
Not used Read Word 2
Not used FT 00-07 Write Word 1
Where D = Input Data (where D0 corresponds to input 0, D1 corresponds to input 1, etc.
DT = Input Filter Time (where DT 00-07 corresponds to inputs 0 thru 7)
1794ĆIA8 Input Filter Times
Bits Description Maximum Filter Time
02 01 00 Filter Time for Inputs 00-07 Off to On On to Off
0 0 0 Filter Time 0 (default) 8.6ms 26.6ms
0 0 1 Filter Time 1 9ms 27ms
0 1 0 Filter Time 2 10ms 28ms
0 1 1 Filter Time 3 12ms 30ms
1 0 0 Filter Time 4 17ms 35ms
1 0 1 Filter Time 5 26ms 44ms
1 1 0 Filter Time 6 43ms 61ms
1 1 1 Filter Time 7 78ms 96ms