Siemens HydroRanger 200 HMI Operating Instructions Manual page 139

Ultrasonic controllers
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2.2.5. Sensor Offset
Calibrates 2.2.4. Empty if the reported level is consistently high or low by a
fixed amount.
Index
Values
Related
Before using this feature, verify the following parameters are correct:
Offset Calibration
Begin with a steady level.
Step 1. Measure the actual reading (use tape measure).
Step 2. Enter the measured value from Step 1 into this parameter.
The deviation between the entered
value is stored in
2.2.6. Blanking
The space near the transducer face which cannot be measured.
Index
Values
Related
Use this feature if the surface is reported to be near the transducer face but is
in fact much further away. Extend this value when changing transducer
location, mounting, or aiming.
Please note that changing the Blanking cannot correct measurement
problems. Ensure that
2.2.7. Range Extension
Allows the material level to fall below the Empty setting without reporting LOE.
Index
A5E36281317
Single-point model
Global
Range: -999 to 9999
2.2.4. Empty
2. 1 2.6. Offset Reading
2. 1 3.4.5. Zero Head
2.2.4. Empty
2.11. 1 .3. Process Temperature
2.12.6. Offset Reading
2.13.4.5. Zero Head
, if using OCM
2.11. 1 .9. Offset Correction
Single-point model
Global
Range: 0.000 to 99.00 m or equivalent, depending on
0.300 m (Most transducers)
Preset
0.450 m (XCT-8, XCT-12)
2.2.4. Empty
2.2.2. Span
2. 1 1.3.7. TVT dB
2.2.2. Span
Single-point model
Global
HydroRanger 200 HMI – OPERATING INSTRUCTIONS
Dual-point model
Transducer
2. 1 1. 1 .9. Offset Correction
2. 1 1. 1 .3. Process Temperature
2.2.4. Empty
value and the calibrated Empty
.
Dual-point model
Transducer
2.2.4. Empty
2.2.6. Blanking
<
minus
Dual-point model
Transducer
2. 1 . 1 . Units
.
Page 129

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