Adapter status word -5, Adapter status word – Rockwell Automation 1797-IRT8 FLEX Ex Thermocouple/RTD/mV Input Module User Manual User Manual
Page 43
Publication 1797-6.5.2 - February 2001
Input, Status, Output and Configuration Files for the Thermocouple/RTD/mV Module on the ControlNet Network 4-5
Adapter Status Word
The status word consists of:
•
I/O module fault bits – 1 status bit for each slot
Additionally, in the case of a PLC-5 controller, it adds:
•
node address changed – 1 bit (created by PLC-5 controller)
•
I/O status – 1 bit (created by PLC-5 controller)
Resulting in the following FLEX Ex adapter status word for a
PLC-5 controller.
As an example, in a PLC-5 system, the adapter status word bit
descriptions are shown in the following table.
41629
Bit:
15
9
10 through 15
8
7
6
5
4
3
2
1
0
I/O Module Fault Bits
I/O Status Bit
Node Address Changed Bit
Created by PLC-5 controller
Table 4.A
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
(Created by PLC-5
controller.)
8
This bit is set (1) when the node address switch setting has
been changed since power-up.
I/O State (Created by
PLC-5 controller.)
9
Bit = 0 -idle
bit = 1 - run
10 though 15
Not used – set to 0