Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual User Manual
Page 28

2–8
How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
16Ćpoint Source Input Module Image Table Mapping - 1794ĆIV16
Module Image
Inputs
Delay
Time
Not used
Not used
Input Size
Output Size
0 or 1 Word
1 or 2 Words
I/O Image
Not used
Read
Write
Memory Map of 16-Point Input Module Image Table –
1794-IV16
Dec. Bits
15
14
13
12
11
10
09
08
07
06
05
04
03
02
01
00
Size
Oct. Bits
17
16
15
14
13
12
11
10
07
06
05
04
03
02
01
00 Read/Write Words
D15 D14 D13 D12 D11 D10 D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Read word 1
Not used
FT for all channels
Not used
Writeword 1
Not used
Writeword 2
Where D = Input Data
FT = Input filter Time
Input Filter Times for the 1794-IV16 Input Module
Bits
Description
Selected
10
09
08 Filter Time for Inputs 00-15 (00-17)
Filter Time
0
0
0
Filter Time 0 (default)
216
µ
s
0
0
1
Filter Time 1
512
µ
s
0
1
0
Filter Time 2
1ms
0
1
1
Filter Time 3
2ms
1
0
0
Filter Time 4
4ms
1
0
1
Filter Time 5
8ms
1
1
0
Filter Time 6
16ms
1
1
1
Filter Time 7
32ms