System Maintenance
Device Status Indicators
90
SKF Wireless Machine Condition Sensor
Service Manual
Extended Device Status
Specified in the HART Common Tables
Bit No
HART Definition
Device Manager Implementation
0
Maintenance required
Not used
1
Device Variable Alert
Not used
2
Critical Power Failure
Set if battery voltage is measured below 3.3 V
3
Undefined
Reserved
4
Undefined
Reserved
5
Undefined
Reserved
6
Undefined
Reserved
7
Undefined
Reserved
Additional Device Status
(device specific information)
Device Specific Status byte 0:
Not used
Device Specific Status byte 1:
Not used
Device Specific Status byte 2:
Not used
Device Specific Status byte 3:
Not used
Device Specific Status byte 4:
Not used
Device Specific Status byte 5:
Bits used as detailed below:
bit 0 – Not used
bit 1 - Firmware download in progress (on the
Sensor / Sensor Firmware
tab)
bit 2 -
Firmware downloaded OK
(on the
Sensor / Sensor Firmware
tab)
bit 3 - Firmware download bad CRC
(on the
Sensor / Sensor Firmware
tab)
bit 4 - Firmware update failed
(on the
Sensor / Sensor Firmware
tab)
bit 5 – Not used
bit 6 – Not used
Standardized Status 0
Specified in the HART Common Tables
Bit No
HART Definition
Device Manager Implementation
0
Simulation Active
Not used
1
Non Volatile Memory Defect
Set if flashing of new firmware version fails
2
Volatile Memory Defect
Not used
3
Watchdog Reset Executed
Set if watchdog reset is executed, reset if Get
Historic Info is executed
4
Voltage Conditions Out of Range
Not used
5
Environmental Conditions Out of Range
Not used
6
Electronic Defect
Set if flashing of new firmware version fails
7
Undefined
Reserved