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120 SMV 3000 Transmitter User’s Manual 1/99
11.2 Overview
Diagnostics
The SMV 3000 transmitter is constantly running internal diagnostics to
monitor sensor and transmitter functions. The SCT and SFC, when
connected to the SMV control loop, monitor the transmitter functions, and
status of the control loop and the communications link.
When a diagnostic failure is detected, a status is generated by the SMV.
The SCT or SFC, connected to the SMV control loop, will interpret the
transmitter status into messages which can be viewed through the SCT
Status tab card or an SFC display. Corrective actions then can be taken to
clear transmitter fault conditions.
ATTENTION
There are additional diagnostics provided by the STIMV IOP for
transmitters integrated with the TPS/TDC control systems and any
message will appear in the TRANSMITTER STATUS field of the Detail
Display in the Universal Station. Details about the STIMV IOP diagnostic
messages are given in the PM/APM Smartline Transmitter Integration
Manual PM12-410 which is part of the TPS/TDC system bookset and in
Appendix A of this manual.
Troubleshooting
Tools
Your primary troubleshooting tool is the SCT in which you can run a
status check and refer to the detailed status message table that lists the
diagnostic messages and their meanings. Recommended actions are
provided to help in correcting transmitter fault conditions. Use the SCT
also to verify the transmitter’s configuration data and check to be sure
your process is operating correctly.
NOTE: The SFC can also be used to check transmitter status and identify
diagnostic messages. If you are using an SFC to check transmitter
status and diagnose transmitter faults, refer to the Smart Field
Communicator Model STS103 Operating Guide 34-ST-11-14 for
detailed keystroke information and trouble shooting procedures.