Emerson Rosemount 3144P, Reference Manual

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129
Reference Manual
00809-0100-4021, Rev JA
HART Commissioning
April 2017
HART Commissioning
Low output or No output
Sensor element
•
Connect a Field Communicator and enter the transmitter test mode to isolate a
sensor failure.
•
Check if the process variable is out of range.
Loop wiring
•
Check for adequate voltage to the transmitter. It should be 12.0 to 42.4 Vdc
(over entire 3.5 to 23.0 mA operating range).
•
Check for shorts and multiple grounds.
•
Check for proper polarity at the signal terminal.
•
Check the loop impedance.
•
Connect a Field Communicator and enter the loop test mode.
•
Check wire insulation to detect possible shorts to ground.
Electronics module
•
Connect a Field Communicator and check the sensor limits to ensure calibration
adjustments are within the sensor range.
•
Connect a Field Communicator and enter the transmitter test mode to isolate an
electronic module failure.
Table 3-3. Field Communicator Error Warning Descriptions – HART
(1)
Message Description
Add item for ALL device types or only for
this ONE device type
Asks the user whether the hot key item being added should be added for all device types
or only for the type of device that is connected.
Command not implemented The connected device does not support this function.
Communication error
Either a device sends back a response indicating that the message it received was
unintelligible, or the Field Communicator cannot understand the response from the
device.
Configuration memory not compatible
with connected device
The configuration stored in memory is incompatible with the device to which a transfer
has been requested.
Device busy The connected device is busy performing another task.
Device disconnected Device fails to respond to a command.
Device write protected Device is in write-protect mode. Data can not be written.
Device write protected. Do you still
want to shut off?
Device is in write-protect mode. Press YES to turn the Field Communicator off and lose the
unsent data.
Display value of variable on hot key
menu?
Asks whether the value of the variable should be displayed adjacent to its label on the hot
key menu if the item being added to the hot key menu is a variable.
Download data from configuration
memory to device
Prompts user to press SEND softkey to initiate a memory to device transfer.
EEPROM Error
Reset the Device. If the error persists, the device has failed. Contact a Rosemount Service
Center.
EEPROM Write Error
Reset the Device. If the error persists, the device has failed. Contact a Rosemount Service
Center.
Exceed field width
Indicates that the field width for the current arithmetic variable exceeds the
device-specified description edit format.
Exceed precision
Indicates that the precision for the current arithmetic variable exceeds the
device-specified description edit format.
Table 3-2. HART / 4–20 mA Basic Troubleshooting
Symptom Potential source Corrective action