Rockwell Automation 1791D-XXXX CompactBlock I/O for DeviceNet Modules Series D I.I. User Manual
Page 17
CompactBlock I/O for DeviceNet Modules Series D 17
Publication
1791D-IN003A-EN-P - June 2003
The table below is an example of the word/bit definitions for an
8 in/8 out combination module.
Digital Expander
Base
Expansion
I/O Points
Produced
(input bytes)
Consumed
(output bytes)
16 output
16 output
32 out
1
4
8 in / 8 out
16 input
24 in /8 out
4
1
Digital Expander
Base
Expansion
I/O Points
Produced
(input bytes)
Consumed
(output bytes)
8 in / 8 out
16 output
8 in / 24 out
2
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
8 out
16 input
16 in / 8 out
3
1
8 out
16 output
24 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
14
4
16 output
analog
16 output digital
4 in / 2 out analog
12
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
Bit
07
06
05
04
03
02
01
00
Produces
I7
I6
I5
I4
I3
I2
I1
I0
Consumes
O7
O6
O5
O4
O3
O2
O1
O0