Analog input/ output data

Offline- The state of the digital point may not be correct

Restart - Indicates that the field device has been restarted

Communications Lost - The device reporting this object has lost communication with the originating device.

Over Range - Indicates that the digitized signal or calculation has exceeded the positive or negative range of the value. The actual value of the point will be the maximum value for the size of the data if the value is positive or the minimum value for the data if the value is negative.

Reference Check - Indicates that the reference signal used to digitize the analog input is not stable and the resulting digitized value may not be correct.