Rockwell Automation 1794-APB/B FLEX I/O PROFIBUS Adapter Module User Manual - Manual (Page 23)

2–3 How Communication Takes Place and I/O Image Table Mapping
Publication 1794ĆUM057B-EN-P - November 2001
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
15 Bit: 0 1 2 3 4 5 6 7
Reserved
I/O Module Fault Bits
Node Address Changed Bit
Slot 1 Slot 2 Slot 3 Slot 4 Slot 5 Slot 6 Slot 7 Slot 8
8 14 13 12 11 10 19
The adapter input status word bit descriptions are shown in the
following table.
Bit Description Bit Explanation
8
This bit is set (1) when an error is detected
in slot position 1.
9
This bit is set (1) when an error is detected
in slot position 2.
10
This bit is set (1) when an error is detected
in slot position 3.
I/O Module Fault
11
This bit is set (1) when an error is detected
in slot position 4.
I/O Module Fault
12
This bit is set (1) when an error is detected
in slot position 5.
13
This bit is set (1) when an error is detected
in slot position 6.
14
This bit is set (1) when an error is detected
in slot position 7.
15
This bit is set (1) when an error is detected
in slot position 8.
Reserved 1-7 Reserved
Node Address
Changed
0
This bit is set (1) when the node address
switch setting has been changed since
power up.