Word/bit definitions – Rockwell Automation 1791P-XXXX CompactBlock Distributed I/O on PROFIBUS DP Series D I.I. User Manual
Page 18
18 CompactBlock Distributed I/O on PROFIBUS DP Series D
Publication
1791P-IN002B-EN-P - October 2003
Word/Bit Definitions
The following table lists the combination of input and output modules and
the input and output bytes produced and consumed.
Digital Expander
Base
Expansion
I/O Points
Produced
(input bytes)
Consumed
(output bytes)
16 input
16 in
2
0
16 output
16 out
0
2
8 in / 8 out
8 in / 8 out
1
1
4 in / 4 out
4 in / 4 out
1
1
16 input
16 input
32 input
4
0
16 input
16 output
16 in / 16 out
2
2
16 output
16 input
16 in / 16 out
2
2
16 output
16 output
32 out
0
4
8 in / 8 out
16 input
24 in /8 out
3
1
8 in / 8 out
16 output
8 in / 24 out
1
3
4 in / 4 out
16 input
20 in / 4 out
3
1
4 in / 4 out
16 output
4 in / 20 out
1
3
Analog Expander
Base
Expansion
I/O Points
Produced
(input bytes)
Consumed
(output bytes)
16 input
analog
16 input digital
4 in / 2 out analog
12
4
16 output
analog
16 output digital
4 in / 2 out analog
10
6
8 in / 8 out
analog
8 in / 8 out digital
4 in / 2 out analog
12
6
4 in / 4 out
analog
4 in / 4 out digital
4 in / 2 out analog
12
6