Siemens SITRANS LR 300 Instruction Manual Page 122

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Page 120 SITRANS LR 300 – INSTRUCTION MANUAL 7ML19985CL02
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Appendix VII
Transducer Block - Level
The Transducer Block meets Profile 3.0 class A requirements. The main OUT values of the
TB block used by the AI function blocks are the four Secondary Values (SV4, SV5, SV6 and
SV7).
The Primary Value (PV) and Level parameters from the profile are the same value as the
Secondary Value (SV) 4, and these are all in percent.
The Sensor Value parameter is the same as SV6 and represents the distance in meters.
Sensor
Echo
Processing
Failsafe
Calcs
Level Transducer Block
Status
Sensor Value, & Distance (m), SV6
Space (%) SV5
Primary Value,
Level (%), and SV4
Volume (%) SV7
Echo Time
Echo Processing
Parameters
Device Failsafe
Parameter
LOE State
Span, Empty and
Offsets
SITRANS LR 300.book Page 120 Monday, June 10, 2002 7:18 PM
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