Specifications

Troubleshooting
5-10
REQUIRED
INFORMATION
FOR
TECHNICAL
ASSISTANCE
Before you call Technical Support personnel, have the
User’s Manual for the field device and a detailed
description of the issue, including the following
information (if applicable):
Manufacturer and model of control system (if
applicable).
375 Field Communicator system software revision.
Manufacturer ID number or name and model revision
of field device (as displayed on the 375 Field
Communicator, exact spelling if possible.)
Does communication work when certain devices or
processes are not running?
What is the total cable length run from the termination
panel to the field device?
What is the message on the 375 Field Communicator
when attempting to communicate with a field device
(e.g., device not found)?
What is the serial number of the 375 Field
Communicator having the communication issue?
Is the device in burst mode?
What is the loop impedance in the device loop?
(resistance value)
Can the 375 Field Communicator talk to the field device?
Can AMS Device Manager talk to the field device?
Is the field device address set to "0"?
Is there more than one field device on the loop?
Is there another master (primary or secondary) on the
loop? (i.e., control system, multiplexer, etc.)
Does the control system support HART or fieldbus
communications?
If a HART multiplexer is being used, what is the
manufacturer and model?
What is the approximate field device loop length? (length
of the wire)
Are there any error messages being displayed?
What task is being performed when the communication
problem occurs?
Are you having communication problems with multiple
field devices?
Contacting Technical Support Personnel
Contact your supplier or go to
http://www.fieldcommunicator.com/supp.htm for
Technical Support contact information.