Campbell-scientific AL200 ALERT2 Encoder, Modulator, and Sensor Interf Manual do Utilizador descarregar pdf (Página 33)

Appendix D. AL200 Settings

SE1 Mode Sets the operation mode for the SE1 terminal input. SE1 is used for measuring

millivolt or milliamp input signals, like those commonly produced by a pressure

transducing level sensor.

SE1 ALERT2 Sensor ID The ALERT2 sensor ID that will be used to identify a SE1 general sensor report.

The ID cannot be set to 0 or 8. 0 is reserved for reporting P1 input. 8 is reserved for

reporting battery.

SE1 Multiplier Multiplier to apply to SE1 measurement before evaluation and transmission.

Example: Water Level = SE1 measurement • SE1 Multiplier + SE1 Offset.

SE1 Offset Offset to apply to SE1 measurement before evaluation and transmission. Example:

Water Level = SE1 measurement • SE1 Multiplier + SE1 Offset.

SE1 Tx Change Amount of change in reading required to trigger Tx of reading. Reading = SE1

measurement • SE1 Multiplier + SE1 Offset.

C1 Mode Sets the operation mode for the C1 terminal input. C1 is used for measuring status

(high/low) or SDI-12 inputs, like those produced by a float switch or pressure

transducing level sensor, respectively.

C1 ALERT2 Sensor ID The ALERT2 sensor ID that will be used to identify a C1 general sensor report. The

ID cannot be set to 0 or 8. 0 is reserved for reporting P1 input. 8 is reserved for

reporting battery.

SDI-12 Command SDI-12 command to be sent to the attached sensor.

SDI-12 Value to Send Selects which value returned by the SDI-12 sensor to use for evaluation and

transmission.

For example, if the sensor returned 4 values, and the 3rd value needs to

be used, this setting should be 3.

SDI-12 Multiplier Multiplier to apply to the SDI-12 measurement before evaluation. Example: Water

Level = SDI-12 measurement • SDI-12 Multiplier + SDI-12 Offset.

SDI-12 Offset Offset to apply to the SDI-12 measurement before evaluation. Example: Water Level

= SDI-12 measurement • SDI-12 Multiplier + SDI-12 Offset.

SDI-12 Tx Change Amount of change in the reading required to trigger Tx of reading. Reading = SDI-

12 measurement • SDI-12 Multiplier + SDI-12 Offset.

Configuration Sensor

Scan Interval

Controls the interval at which sensors, with the exception of P1, will be read while

connected with Device Configuration Utility. Value is expressed in seconds. This

setting does not take effect until settings are applied.

Battery Battery / supply voltage (volts). While connected via Device Configuration Utility,

the battery voltage will be measured every Configuration Sensor Scan Interval.

The measured value will be queried and displayed here at a regular refresh interval.

P1 Total If the P1 input is enabled, the total number of counts since the device was last

powered up or reset will be displayed here. The measured value will be queried and

displayed here at a regular refresh interval.

SE1 Raw Reading If SE1 is enabled, the SE1 reading without SE1 Multiplier and SE1 Offset applied.

While connected via Device Configuration Utility, SE1 will be measured every

Configuration Sensor Scan Interval. The measured value will be queried and

displayed here at a regular refresh interval.

SE1 Scaled Reading If SE1 is enabled, the SE1 reading, with SE1 Multiplier and SE1 Offset applied.

While connected via Device Configuration Utility, SE1 will be measured every

Configuration Sensor Scan Interval. The measured value will be queried and

displayed here at a regular refresh interval.

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