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RUN Mode and PROGRAM Mode
SITRANS LR 300 has two modes of operation: RUN and PROGRAM.
When you select RUN mode, the transceiver resumes operation. The reading and mA output
default to the last measurement taken. The reading and associated outputs migrate to the
current process level at a rate controlled by the measurement response (P003).
If SITRANS LR 300 is left in PROGRAM mode for 10 minutes without input, it automatically
reverts to RUN mode.
RUN Mode Display
Reading
Percentage or Units,
dependent on parameter number
active
bar graph
representation of
material level,
0 to 100% of Span
blinking “Heartbeat”,
indicates device is running
confidence icons
Reading Questionable, appears during fail-safe
operation
Auxiliary Reading
= normal reading
= fail-safe operation
PROGRAM Mode Display
parameter type
parameter value
inactive
bar graph
index value
Percentage or Units,
dependent on parameter value
blinking “Heartbeat”,
indicates device is running
EDIT icon indicates new value
being entered
programming indicator
7ML19985QA85
parameter number
SITRANS LR 300 – QUICK START MANUAL
Page EN-5
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When you select PROGRAM mode, SITRANS LR 300 stops responding to the process. It stores
the most recent measurement, and holds the associated readings and mA signal output. The
unit reverts to the parameter last addressed during the previous program session.
English
When installation is complete and power is first supplied to SITRANS LR 300, it starts in RUN
mode and detects the distance from the instrument flange to the target in meters. This is the
default start-up display mode.