Configuring your block i/o chapter 3, 1791-iobx – Rockwell Automation 1791-I0VX BLOCK I/O User Manual

Page 30

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Configuring Your Block I/O

Chapter 3

3-2

Figure 3.1
Switch Setting Locations (1791-IOBX shown)

BAUD
RATE

LAST
STATE

PRL

NOT
USED

LAST
RACK

I/O

GROUP

57.6K BPS
115.2KBPS
230.4KBPS
UNUSED

OFF OFF
ON OFF
OFF ON
ON ON

1 2

LATCH
RESET

OFF
ON

3

7 8

NO OFF
YES ON

4

NO OFF
YES ON

5

0 to 3
4 to 7

OFF
ON

6

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

NC

COM

DISPLAY

SELECT

INPUT

OUTPUT

POWER
ACTIVE
COMM
FUSE

RACK
ADDR

CONFIGURATION SWITCHES

1791-IOBX

128 POINT

24V DC DISTRIBUTED

I/O MODULE

GROUP No.

GROUP No.

8 7 6 5 4 3 2 1

CONFIGURATION

SWITCHES

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

NC

COM

NC

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

NC

COM

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

NC

COM

NC

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

COM

+VDC

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17
COM

+VDC

NC

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

+VDC

00

01

02

03

04

05

06

07

10

11

12

13

14

15

16

17

COM

COM

NC

Rack Address Switch

Configuration Switch

Termination Resistor Switch

64 24VDC SINK INPUTS

64 24VDC SOURCE OUTPUTS

+VDC

L

L

10931-I

Termination Resistor

150 Ohm
Off
82 Ohm

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