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will be selecting. Connect a voltmeter to the output channel (DAC0–DAC7) you are going
to be using, then compile and run this program. You will prompted with additional instruc-
tions via the Dynamic C STDIO window during the execution of this sample program.
NOTE: This sample program must be compiled to flash.
? DAC_SYNC.C —This sample program outputs a voltage that can be read with a voltmeter.
The output voltage is calculated using the calibration constants located on the D/A Con-
verter Card EEPROM (simulated in flash memory).
The D/A Converter Card is set up for the synchronous mode of operation, which updates all
D/A converter outputs at the same time when the anaOutStrobe() function executes.
The outputs are all updated with values previously written using the anaOutVolts()
and/or anaOut() functions.
Before you run this sample program, make sure that the DCIN for the D/A Converter Card is
at least 3 V more than the maximum voltage of the D/A converter output voltage range you
will be selecting. Connect a voltmeter to the output channel (DAC0–DAC7) you are going
to be using, then compile and run this program. You will prompted with additional instruc-
tions via the Dynamic C STDIO window during the execution of this sample program.
NOTE: This sample program must be compiled to flash.
? DAC_CAL.C —This program demonstrates how to recalibrate a D/A converter channel
using two known voltages, and defines the two coefficients, gain, and offset, that will be
rewritten into the D/A Converter Card's EEPROM (simulated in flash memory).
This program will first look for a device using rn_find() and the product RN1300 as
the search criteria, and will use the first D/A Converter Card found.
Before you run this sample program, make sure that the DCIN for the D/A Converter Card is
at least 3 V more than the maximum voltage of the D/A converter output voltage range you
will be selecting. Connect a voltmeter to the output channel (DAC0–DAC7) you are going
to be using, then compile and run this program. You will prompted with additional instruc-
tions via the Dynamic C STDIO window during the execution of this sample program.
NOTE: The calibration constants set at the factory will be overwritten when you run this
sample program.
? DAC_READ_CALDATA.C —Dumps the calibration data for all the D/A converter channels.
The calibration gain factor, offset values, and mode of operation will be displayed for each
channel via the Dynamic C STDIO window.
User ’s Manual
91
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