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7ML19985QV81 SITRANS Probe LU (PROFIBUS PA) – QUICK START MANUAL Page EN-11
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Changing parameter settings
• First launch SIMATIC PDM, connect to SITRANS Probe LU (PROFIBUS PA), and upload
data from the device.
• Adjust parameter values in the parameter view field (right side of screen).
• After adjusting the value, press Enter (the status fields read Changed).
• When you have completed the adjustments, open the Device menu, download data to the
device, and save parameter settings offline (the status fields go blank).
Quick Setup
Only four settings are required for a Quick Setup:
• High Calibration Point and High Level Point
• Low Calibration Point and Low Level Point
Primary Variable (PV) will be level (SV1). SV1 (Secondary Value 1) is the sum of Level plus Level
Offset (if any).
1
,
2
,
3
.
1.
Sensor Reference Point: the point to which all of the above parameters are referenced.
2.
Sensor Value: the value produced by the echo processing, which represents the distance from the
Sensor Reference Point to the target.
3.
Level Value: the level measured in level units.
High Level
Point
(default: 100%)
Sensor Reference Point
1
(transducer face)
Sensor Value
2
Low Level
Point
(default: 0%)
Level
3
Level Offset
Secondary Value 1
Low Calibration
Point
Tank reference
point
High
Calibration
Point
Far
Range
Near
Range
Distance
(SV2 or SV3)
Sensor Offset