Rabbit RabbitCore RCM4100, User Manual

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User’s Manual 61
anaInmAmps
float anaInmAmps(unsigned int channel);
DESCRIPTION
Reads the state of an analog input channel and uses the previously set calibration con-
stants to convert it to current.
PARAMETERS
channel
the channel number (0 to 7) corresponding to LN0 to LN7.
RETURN VALUE
A current value between 4.00 and 20.00 mA corresponding to the current on the analog
input channel.
ADTIMEOUT
(-4095) if the conversion is incomplete or busy bit timeout.
ADOVERFLOW
(-4096) for overflow or out of range.
SEE ALSO
anaInCalib
,
anaIn
,
anaInVolts
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