Technical Specifications

ValVue Digital Communications Software Ver. 2.80
532
GE Oil & Gas
 High Alarm Occurred – The level was higher than the upper alarm setting (but may be
below the limit currently).
 Specific Gravity Meter Error – An invalid measurement was detected.
 Stack Reset – An internal software error occurred and a stack overflow was detected.
 RTD Standard Error – The RTD reference measurement was incorrect.
 Zero Standard Error – The Zero reference measurement was incorrect.
 RTD Sensor Error – The RTD sensor measurement was incorrect.
 Abort – An internal software/hardware error occurred.
 Factory Error – Invalid factory data was detected.
Read Additional Status
When displayed, there are status codes set in the HDLT that indicate events or faults that have
occurred since the last time they were cleared. Send the HDLT a Read Status message and the
status codes appear in the response box. Sending the HDLT a Clear Status message clears the
status codes (if the problem no longer exists) and the Read Additional Status message
disappears. See “Status Code List ” on page 531 for a complete list of possible codes.
Change Mode
This allows you to change the mode of the HDLT.
Calibrate Mode
Allows calibration of the HDLT. The calibrate mode has three tabs to set up various aspects of
the transmitter:
 “Calibration Tab” on page 540
 “Calibration Parameters Tab” on page 542
 “Calibration Tools Tab” on page 544
Normal Operating Mode
In the Normal operating mode and in level or interface transmitter, the HDLT measures the
level of liquid or the interface and sets the output current to the appropriate value according
to the parameters set in configuration and calibration. In Controller mode, the HDLT measures
the level of liquid or the interface and sets the output current (controller output) accordingly to
the controller parameters set in Configuration and in the Controller tab.
The HDLT needs to be set in normal Operating mode before leaving this mode for Hart
communication to work properly.
The Normal mode tab displays the current level of liquid or the interface, signal values and
HDLT' status. In addition it allows you to send hart commands to the HDLT that displays the
configuration and calibration data.