unsigned int anaIn(unsigned int channel);
Reads the state of an analog input channel and converts it to a digital value. A timeout occurs, causing
the function to exit, if the end of the conversion is not detected within 13 μs.
PARAMETERS
channel is the analog input channel to read. channel should be passed as
channel = (slotnumber * 128) + (channelnumber)
where slotnumber is 0–6, and channelnumber is 0–10
or
channel = ChanAddr(slotnumber, channelnumber)
where slotnumber is 0–6, and channelnumber is 0–10.
RETURN VALUE
A value corresponding to the voltage on the analog input channel, 0–4095. A value outside this range
indicates a failure
SEE ALSO
anaInCalib, anaInVolts
int anaInVolts(int channel);
Reads the state of an analog input channel and uses the previously set calibration constants to convert the
state to volts.
PARAMETERS
channel is the analog input channel. channel should be passed as
channel = (slotnumber * 128) + (channelnumber)
where slotnumber is 0–6, and channelnumber is 0–10
or
channel = ChanAddr(slotnumber, channelnumber)
where slotnumber is 0–6, and channelnumber is 0–10.
RETURN VALUE
A voltage value corresponding to the voltage on the analog input channel (0–+10 V on the SR9300 or
-10–+10 V on the SR9310).
SEE ALSO
anaIn, anaInCalib, anaInmAmps
94
Smart Star A/D Converter Cards (SR9300)
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