Siemens HydroRanger 200 Instrukcja Obsługi Pobierz pdf (Strona 178)

Page 164 HydroRanger 200 – INSTRUCTION MANUAL 7ML19981FC01

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Parameters

P620 Low Flow Cutoff

Eliminates totalizer activity for flows at or below the cutoff value.

Use this to enter the minimum head in units (P005) or as a percent of span.

P621 Auto Zero Head

Calibrates Zero Head (P605) based on actual head measurements.

Use this parameter when the reported head is consistently high or low by a fixed amount.

Before using this feature, verify the following parameters are correct:

•Empty (P006)

• Temperature (P664)

• Offset Reading (P062=0)

• Zero Head Offset (P605)

Procedure, with “head” steady

1. Press TRANSDUCER to display the calculated head.

2. Repeat step ONE at least FIVE times to verify repeatability.

3. Measure the actual head (with a tape measure or solid rule).

4. Enter the actual head value.

The deviation between the entered Empty (P006) value and the calibrated Empty value is

stored in Offset Correction (P652). Alternatively, the Empty parameter (P006) can be

corrected directly.

Primary Index Global

Values

Range: 0.000 to 9999

Preset = 5.000 %, or equivalent units

Altered By • P005 Units

Related • P007 Span

Primary Index Global

Values Range: -999 to 9999

• P006 Empty

• P062 Offset Reading

• P605 Zero Head

• P664 Temperature

1 2 ... 173 174 175 176 177 178 179 180 181 182 183 ... 255 256

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Siemens HydroRanger 200 Instrukcja Obsługi Strona 178