Emerson Rosemount 928, Reference Manual

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D Alert message mapping
This appendix outlines the most important alerts in the HART ® command 48 Additional
Status field for the Rosemount ® 928. The information in this section can be used by
DeltaV ™ for alert monitoring and in the Wireless Gateway for Additional Status mapping in
Modbus ® , OPC, and other communication protocols. A complete list of Additional Status
bits is available in the wireless gateway.
Variable mapping contains the device variable and variable mapping indexes for the
transmitter.
Alert mapping contains the most important alert messages that may be displayed in the
AMS Device Manager and Field Communication together with the location of the alert in
the HART command 48 Additional Status field.
To view active alerts in Field Communicator or AMS Device Manager, from the Home
screen, go to Service Tools → Active Alerts .
D.1 Variable mapping
Table D-1: Device Variable Index
Device variable Index
0 Supply voltage
1 Electronics temperature
2 Gas concentration
3 Sensor temperature
Table D-2: Device Variable Mapping Index (Cannot be Modified)
Variables Index
PV Gas concentration
SV Sensor module temperature
TV Electronics temperature
QV Supply voltage
D.2 Alert mapping
Table D-3: Failure Alerts (F)
Message Additional status
(1)
Description
Electronics Failure Byte 8 :: Bit 6 A failure has been detected in
the device memory,
electronics, or both.
Reference Manual Alert message mapping
00809-0100-4928 September 2019
Rosemount 928 201