Adapter input status word – Rockwell Automation 1794-IF4I, -OF4I, IF2XOF2I, -IF4IXT, -IF4ICFXT, -OF4IXT, IF2XOF2IXT FLEX I/O Isolated Analog Modules User Manual

Page 101

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Publication 1794-6.5.8 - January 2010

Input, Output, Status and Configuration Files for Analog Modules when used with ControlNet 101

Adapter Input Status Word

The input status word consists of:

I/O module fault bits – 1 status bit for each slot

node address changed – 1 bit

I/O status – 1 bit

The adapter input status word bit descriptions are shown in the
following table.

15

Bit:

0

1

2

3

4

5

6

7

8

10 through 15

I/O Module Fault Bits

Node Address Changed Bit

Slot 0

Slot 1

Slot 2

Slot 3

Slot 4

Slot 5

Slot 6

Slot 7

9

I/O State Bit

Not Used

Bit Description

Bit

Explanation

I/O Module Fault

0

This bit is set (1) when an error is detected in slot position 0.

1

This bit is set (1) when an error is detected in slot position 1.

2

This bit is set (1) when an error is detected in slot position 2.

3

This bit is set (1) when an error is detected in slot position 3.

4

This bit is set (1) when an error is detected in slot position 4.

5

This bit is set (1) when an error is detected in slot position 5.

6

This bit is set (1) when an error is detected in slot position 6.

7

This bit is set (1) when an error is detected in slot position 7.

Node Address Changed

8

This bit is set (1) when the node address switch setting has been
changed since power up.

I/O State

9

Bit = 0 – idle
Bit = 1 – run

10 – 15 Not used – sent as zeroes.

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