Reference Manual

Device Variable Index
March 2016
Reference Manual
00809-0100-4045, Rev AB
61
Device Variable Index
Appendix E Device Variable Index
This section outlines the most important alerts in the HART
®
command 48 additional status
field for Rosemount
™
Wireless Pressure Gauge. The information in this section can be used
by DeltaV
™
for notification monitoring, and in the Emerson Smart Wireless Gateways for
additional status mapping in Modbus
®
, OPC, etc.
E.1 Messages and descriptions
A complete list of additional status bits is available in the Gateway.
Tab le E- 2 to Ta bl e E -4 shows a list of the most important messages that may be displayed.
Table E-2. Failures
Table E-1. Device Variables
Device variable Index
0 Supply voltage
1Pressure
2Custom
3 Sensor temperature
Message
Additional
status
(1)
1. Location of the alert in the HART command 48 Additional Status field.
Description
Radio failure Byte 12 :: Bit 4
Wireless radio has detected a failure or stopped
communicating
Configuration alert Byte 2 :: Bit 6 Device has detected a configuration error
Over-pressure seen Byte 4 :: Bit 0
Pressure has gone beyond the maximum
operating limits of the device, which may have
caused permanent damage to the sensor
Critical power failure Byte 6 :: Bit 2
Supply voltage is too low for the device to
broadcast updates
Electronics failure Byte 8 :: Bit 6
Electronics error that could impact the device
measurement reading has occurred
Dial failure Byte 4 :: Bit 4
Device has detected a failure or unable to confirm
dial location