Process data and operationg modes
Field Device Status
Indicates the current operating status of the field device (generally the sensor) as a whole and is not associated with the completion of any command
Bit value | Meaning | Description |
|---|---|---|
0x80 | Device Malfunction | The device detected a serious error or failure that compromises device operation. |
0x40 | Configuration Changed | An operation was performed that changed the device’s configuration. |
0x20 | Cold Start | A power failure or Device Reset has occured. |
0x10 | More Status Available | More status information is available via Command 48, Read Additional Status Information. |
0x08 | Loop Current Fixed | The Loop Current is being held at a fixed value and is not responding to process variations. |
0x04 | Loop Current Saturated | The Loop Current has reached its upper (or lower) endpoint limit and cannot increase (or decrease) any further. |
0x02 | Non-Primary Variable Out of Limits | A Device Variable not mapped to the PV is beyond its operating limits. |
0x01 | Primary Variable Out of Limits | The PV is beyond its operating limit. |
PV = Primary Variable