Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual - Manual (Page 25)

2–5 How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
1794ĆIB8 - 8Ćpoint Digital Input Module Image Table Mapping
Module Image
Inputs
Filter
Time
Input Size
Output Size
1 or 2 Words
0 or 1 Word
Not used
Not used
I/O Image
Read
Write
Not used
1794ĆIB8 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 (D0 corresponds to input 0, D1 corresponds to input 1, etc.
DT = Input Filter Time (DT 00-07 corresponds to inputs 0 thru 7)
1794ĆIB8 Input Filter Times
Bits Description
Selected
02 01 00 Filter Time for Inputs 00-07
Filter Time
0 0 0 Filter Time 0 (default) 512 µ s
0 0 1 Filter Time 1 1ms
0 1 0 Filter Time 2 2ms
0 1 1 Filter Time 3 4ms
1 0 0 Filter Time 4 8ms
1 0 1 Filter Time 5 16ms
1 1 0 Filter Time 6 32ms
1 1 1 Filter Time 7 64ms