Rabbit RabbitCore RCM4000, Руководство пользователя

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56 RabbitCore RCM4000
Reads the state of an analog input channel and uses the previously set calibration constants to convert it
to current.
PARAMETERS
channel
is the channel number (0–7):
RETURN VALUE
A current value between 4.00 and 20.00 mA corresponding to the current on the analog input channel.
ADOVERFLOW
(defined macro = -4096) if overflow or out of range.
ADTIMEOUT
(defined macro = -4095) if conversion is incomplete or busy-bit timeout.
SEE ALSO
anaInCalib, anaIn, anaInVolts
float anaInmAmps(unsigned int channel);
Channel Code
4–20 mA
Input Lines
*
* Negative input is ground.
0 +AIN0
1 +AIN1
2 +AIN2
3
+AIN3
†
† Applies to Prototyping Board.
4 +AIN4*
5 +AIN5*
6 +AIN6*
7 +AIN7