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APG IRU-3000 user manual User Manual

Page 13

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Rev. A2, 11/08

IRU-2xx4/3xx4

13

Automation Products Group, Inc.

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SENSITIVITY

Sensitivity controls the gain of the receive circuit. High values will amplify the
return pulse enabling the sensor to detect weak signals. Caution: High sensitiv-
ity setting increases the chance for the sensor to detect unwanted objects, which
can decrease the reliability of the output.

To read the Sensitivity in a sensor, use the command structure:

Send

Receive

AAh

Start Byte

66h

Start Byte

01h,

Sensor Number

01h

Sensor Number

09h

Command

09h

Command

00h

Data (not used)

##h

Sensitivity (High Byte)

00h

Data (not used)

##h

NA (Low Byte)

55h

End Byte

##h

NA

99h

Stop Byte

To change the Sensitivity in the sensor to 80%, use the command structure;

Send
AAh

Start Byte

01h,

Sensor Number

0Ah

Command

50h

Data

80 decimal = 50 hex

00h

Data (not used)

55h

End Byte

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