Rockwell Automation 1791-IOBB USER MANUAL User Manual
Page 21

Configuring Your Block I/O for PLC
Family Programmable Controllers
Chapter 3
3Ć2
Figure 3.1
Switch Settings for 1791-IOBA/B and -IOBB/B
OUTPUT
INPUT
COMM POWER
OPEN
12
3
4
56
12
3
4
5
6
OPEN
5
6
Baud Rate
230.4K
4
Last State
Reset to 0
Hold last state
On (Closed)
1
DH-485
None
Terminate Off (Open)
I/O Rack Number
Switches 3-6
(see Table 3.A, B and C)
115.2K
57.6K
Off (Open)
3
Last Chassis
Yes
No On (Closed)
Starting
I/O Group
0
2
4
6
Off = Open
Switch
1
2
Not
Used
S1 S2
S1 S2
10836-I
Off (Open)
On (Closed)
On (Closed) On (Closed)
Off (Open) On (Closed)
On (Closed) Off (Open)
Off (Open) Off (Open)
On (Closed) Off (Open)
Off (Open) On (Closed)
On (Closed) On (Closed)
On = Closed
Switch as viewed from this end.
Table 3.A
Addressing PLC-2 Family Processors
I/O Rack
Switch Number
I/O Rack
Number
3
4
5
6
1
On (Closed)
On (Closed)
On (Closed)
On (Closed)
2
Off (Open)
On (Closed)
On (Closed)
On (Closed)
3
On (Closed)
Off (Open)
On (Closed)
On (Closed)
4
Off (Open)
Off (Open)
On (Closed)
On (Closed)
5
On (Closed)
On (Closed)
Off (Open)
On (Closed)
6
Off (Open)
On (Closed)
Off (Open)
On (Closed)
7
On (Closed)
Off (Open)
Off (Open)
On (Closed)