Specifying whether you are using redundant rio, Selecting the rio starting group – Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual

Page 32

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2–4

Publication 1336 FORCE–5.13 –– September, 1998

Specifying Whether You Are Using Redundant RIO

Use the following chart to set switch 8 on either U2 or U4.

Are you using redundant RIO mode? If:

Then set SW8 to:

Yes

On

No

Off

If you are using redundant RIO mode, make sure that both channels
have the same RIO configuration (protocol selection and rack size).
If you do not use the same rack size and protocol for both channels,
you will get a fault.

For more information about redundant RIO, refer to Chapter 3,
Using Remote I/O Communications.

Selecting the RIO Starting Group

Use the following chart to set switches 1 and 2 on either U3 or U5 to
specify the rack starting group.

If the starting group must be:

Set SW1 to:

And SW2 to:

Group 0

Off

Off

Group 2

Off

On

Group 4

On

Off

Group 6

On

On

ON =

OFF =

U2 or U4

Switch 8

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

Redundant RIO

Yes

No

SW8

On

Off

"

ON =

OFF =

U3 and U5

Switches 1 or 2

1

2

3

4

5

6

7

8

0

N

0N CHANNEL B LO

W

U5

1

2

3

4

5

6

7

8

0

N

0N CHANNEL A LO

W

U3

Starting
Module Group

0
2
4
6

SW1

Off
Off
On
On

SW2

Off
On
Off
On

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