Siemens HydroRanger 200 Instruction Manual download pdf (Page 183)

7ML19981FC01 HydroRanger 200 – INSTRUCTION MANUAL Page 169

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Parameters

P645 Relay Duration

Use this feature (if desired) to adjust the minimum contact closure duration of a relay set

as a totalizer, flow sampler, time [control], or aeration (P111 = 40 or 41)

Enter minimum contact closure duration (in seconds) required by the device connected.

For the flow sampler function this value is used for both the ON time of the relay and the

OFF time between contacts.

Range Calibration (P650 to P654)

There are two types of calibration possible:

Offset: Adjusts the measurements by a fixed amount.

Sound Velocity: Adjusts speed of sound and changes the measurement calculations.

Do Offset calibration at any steady level unless a Sound Velocity calibration is also done.

If both calibrations are done then do Offset at a known high level and Sound Velocity at a

known low level.

P650 Offset Calibration

Calibrates Empty (P006) if the reported level is consistently high or low by a fixed amount.

Primary Index Global

Values

Range: 0.1 to 1024

Preset = 0.2 (sec)

Related • P111 Relay Control Function

Primary Index Global

Values Range: -999 to 9999

• P006 Empty

• P062 Offset Reading

• P605 Zero Head

• P652 Offset Correction

• P664 Temperature

P645 OFF timeP645 on time

relay contact closed

relay contact open

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Siemens HydroRanger 200 Instruction Manual Page 183