Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx - Manual (Page 31)

2–3
Publication 1336 FORCE–5.13 –– September, 1998
If you are using the the RIO adapter protocol, you need to follow
these steps once you have set the protocol and baud rate:
•
specify the rack size
•
specify the channel position
•
specify whether you are using redundant RIO
•
select the RIO starting group
•
set the RIO rack address
Specifying the Rack Size
Use the following chart to set switches 5 and 6 on either U2 or U4 to
specify the rack size.
If your PLC communications
only requires:
Then
select:
By
setting
SW5 to:
And
SW6
to:
1 word of I/O if block transfer is selected.
2 words of I/O if block transfer is not selected. 1/4
rack
Off Off
3 words of I/O if block transfer is selected.
4 words of I/O if block transfer is not selected. 1/2
rack
Off On
5 words of I/O if block transfer is selected.
6 words of I/O if block transfer is not selected. 3/4
rack
On Off
7 words of I/O if block transfer is selected.
8 words of I/O if block transfer is not selected. Full
rack
On On
Specifying the Last/Not Last Group Scanned in Rack
Use the following chart to set switch 7 on either U2 or U4 to specify
whether this channel contains the highest module groups that will be
scanned in this rack.
Does this channel contain the highest module groups
that will be scanned in this rack? If:
Then set
SW7 to:
Yes On
No Off
Configuring the RIO
Adapter Protocol
ON = OFF =
U2 or U4
Switches 5 and 6
1
2
3
4
5
6
7
8
0 N
0N CHANNEL A HIGH
U2
1
2
3
4
5
6
7
8
0 N
0N CHANNEL B HIGH
U4
RIO Rack Size
1/4
1/2
3/4
Full
SW5
Off
Off
On
On
SW6
Off
On
Off
On
ON = OFF =
U2 or U4
Switch 7
1
2
3
4
5
6
7
8
0 N
0N CHANNEL A HIGH
U2
1
2
3
4
5
6
7
8
0 N
0N CHANNEL B HIGH
U4
Last
Not Last
SW7
On
Off