Rabbit RabbitCore RCM4200 User Manual page 70

float anaInDiff(unsigned int channel, unsigned int gaincode);
DESCRIPTION
Reads the state of differential analog input channels and uses the previously set calibra-
tion constants to convert it to volts.
PARAMETERS
channel
channel
* Accessible on Prototyping Board.
gaincode
64
anaInDiff
the channel number (0 to 7) corresponding to LN0 to LN7.
DIFF
0 +AIN0 -AIN1
1 +AIN1 -AIN1
2 +AIN2 -AIN3
3 +AIN3 -AIN3
4 +AIN4 -AIN5
5 +AIN5 -AIN5
6 +AIN6 -AIN7
7 +AIN7 -AIN7
the gain code of 0 to 7 (applies only to Prototyping Board):
Gain
Gain Code
Multiplier
0 ×1
1 ×2
2 ×4
3 ×5
4 ×8
5 ×10
6 ×16
7 ×20
Voltage Range
(V)
*
-22.5 to +22.5
—
-22.5 to +22.5*
—
-22.5 to +22.5*
—
—
—
Voltage Range
(V)
-22.5 – +22.5
-11.25 – +11.25
-5.6 – +5.6
-4.5 – +4.5
-2.8 – +2.8
-2.25 – +2.25
-1.41 – +1.41
-1.126 – +1.126
RabbitCore RCM4200