
ULTIMA MOS 5 HART
4
7.0 Status Information
The error status, which is returned via Common Practice Command #48, is shown in Table 2 and
corresponds to Modbus register 0x02.
Byte Bit Description Class
Device Status
Bits Set
0 Switch Error Error 4,7
1 Internal error (2.5,15V) Error 4,7
2 Not Used Error 4,7
3 Not Used Error 4,7
4 Not Used Error 4,7
5 Fault Status 4,7
6 Warning Status 4,7
1
7 Alarm Status 4,7
0 Not Used N/A
1 Low Supply Voltage Error 4,7
2 Fail to Calibrate Error 4,7
3 Sensor Error Error 4,7
4 Flash Error Error 4,7
5 EEPROM Error Error 4,7
6 Calibration Check Time out Error 4,7
0
7 Set up Error Error 4,7
Table 2: Error Status Information
These bits may be set at power up to indicate an instrument failure. They may also be set by a failure
detected during continuous background diagnostic testing.
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