Rockwell Automation 1756-OF8H ControlLogix HART Analog I/O Modules - Manual (Page 86)

86 Rockwell Automation Publication 1756-UM533C-EN-P - February 2011
Chapter 6 1756-OF8H HART Analog Output Module
1756-OF8H
Fault Reporting The graphic below offers an overview of the fault reporting process.
Module Faults
Channel Faults
Channel Status Tags
7
Analog
GroupFault
6 5 4
6, 5, 4, and 0 are not used for fault reporting
Not a Number, Output in Hold, and Ramp
Alarm conditions do not set additional
bits. You must monitor them here.
If set, any bit in the Channel Fault word, also sets
the Analog Group Fault in the Module Fault word.
A channel
calibration
fault sets the
calibration
fault in the
Module Fault
word.
When the module is calibrating, all
bits in the Channel Fault word are set.
7
Ch7Fault
41519
6
Ch6Fault
5
Ch5Fault
4
Ch4Fault
3
Ch3Fault
2
Ch2Fault
1
Ch1Fault
0
Ch0Fault
7
OpenWire
Bit 6 is not used
6 5
NotA
Number
4
CalFault
3
InHold
2
Ramp
Alarm
1
LLimit
Alarm
0
HLimit
Alarm Ch0
Ch1
Ch2
Ch3
Ch4
Ch5
Ch6
Ch7
2
Calibrating
1
CalFault
0
One set of tags for each channel
8
LoopOutput
Fault
3
Updated
StatusReady