Siemens SITRANS LC500 Operating Instructions Manual page 43

Capacitance transmitters
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Setting
TV1 Units
TV1 LRV
TV! URV
The Upper Sensor Limit (USL) and Lower Sensor Limit (LSL) are set to 3300 and
1.666 pF respectively, and the following conditions apply: the Upper Range Value
(URV) and Lower Range Value (LRV) should be within the USL to LSL range, but
can be set anywhere within that range.
An interruption of the measuring connection will be detected: a loose or
interrupted connection results in up to 0.5 pF capacitance, which is below the
adjusted LSL and thus signals a FAULT condition.
7ML19985GE04
Description
UNDEFINED
0 [switch position (0)E, TV1]
1.0 [switch position (0)F, TV1]
SITRANS LC500 – OPERATING INSTRUCTIONS
Page 37

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