AMU Library 3.0
C/C++ library for communicating with AMU (Aerospace Measurement Unit) devices
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SCPI Measurement Commands
SCPI Commands

Commands for data acquisition and measurement.

Commands for data acquisition and measurement.

These commands perform various measurements including:

  • Voltage and current measurements
  • Temperature sensor readings
  • Sun sensor data
  • Pressure sensor data
  • Internal voltage monitoring

SCPI Measurement Commands Reference

Measurement commands perform various data acquisition tasks including voltage/current measurements, temperature readings, sun sensor data, pressure readings, and internal voltage monitoring.

ADC Measurements

MEASure:ADC:ACTive

Description: Measures the currently active ADC channel (raw or processed).

Syntax:

  • Processed: MEASure:ADC:ACTive?
  • Raw: MEASure:ADC:ACTive:RAW?

Parameters: None

Returns: ADC reading (processed or raw counts)

I2C Equivalent: CMD_MEAS_CH_ACTIVE_RAW / CMD_MEAS_CH_ACTIVE

Example:

MEASure:ADC:ACTive?
1.234567
MEASure:ADC:ACTive:RAW?
52341

MEASure:ADC:CH

Description: Measures a specific ADC channel (# = channel number).

Syntax:

  • Processed: MEASure:ADC:CH<n>? (where n = 0-7)
  • Raw: MEASure:ADC:CH<n>:RAW?

Parameters:

  • n: Channel number (0-7)

Returns: ADC reading for specified channel

I2C Equivalent: CMD_MEAS_CH_0 through CMD_MEAS_CH_7

Example:

MEASure:ADC:CH0?
2.567890
MEASure:ADC:CH3:RAW?
41256

MEASure:ADC:TSENSORS

Description: Measures all temperature sensors connected to ADC channels.

Syntax:

  • Processed: MEASure:ADC:TSENSORS?
  • Raw: MEASure:ADC:TSENSORS:RAW?

Parameters: None

Returns: Temperature sensor readings (comma-separated)

I2C Equivalent: CMD_MEAS_TSENSORS_RAW / CMD_MEAS_TSENSORS

Example:

MEASure:ADC:TSENSORS?
25.3,26.1,24.8,25.5

Internal Voltages

MEASure:INTERNALvoltages

Description: Measures internal system voltages for health monitoring.

Syntax: MEASure:INTERNALvoltages?

Parameters: None

Returns: Internal voltage readings

I2C Equivalent: CMD_MEAS_INT_VOLTAGES

Example:

MEASure:INTERNALvoltages?
3.30,5.02,12.01,-12.03

Sun Sensor

MEASure:SUNSensor

Description: Measures sun sensor data (quad photodiode array).

Syntax: MEASure:SUNSensor?

Parameters: None

Returns: Sun sensor measurements (X, Y angles and intensity)

I2C Equivalent: CMD_MEAS_SUN_SENSOR

Example:

MEASure:SUNSensor?
15.2,-8.7,0.856

Pressure Sensor

MEASure:PRESSure

Description: Measures pressure sensor data.

Syntax: MEASure:PRESSure?

Parameters: None

Returns: Pressure reading in appropriate units

I2C Equivalent: CMD_MEAS_PRESSURE

Example:

MEASure:PRESSure?
1013.25