ADLINK ACL-8112 Series User Manual
Page 75

C Language Library
• 67
For the ACL-8112DG card, the gain values supported are 1, 2, 4, and 8.
The relationship between analog input voltage range, gain and input
type are specified in the table below.
** this table only applies for the ACL-8112DG ( low gain) card.
AD_INPUT
GAIN
Input type
(Bipolar or
Unipolar)
Input Range
AD_B_5_V 1
Bipolar
±5V
AD_B_2_5_V 2
Bipolar
±2.5V
AD_B_1_25_V 4
Bipolar
±1.25V
AD_B_0_625_V
8 Bipolar
±0.625V
AD_U_10_V
1
Unipolar
0V ~ 10V
AD_U_5_V
2
Unipolar
0V ~ 5V
AD_U_2_5_V
4
Unipolar
0V ~ 2.5V
AD_U_1_25_V
8
Unipolar
0V ~ 1.25V
For the ACL-8112PG card, the gain values supported are 1,2,4,8,and
16.
The initial value of the gain is '1'. The relationship between gain and
input voltage ranges is specified by following tables:
when input voltage range is set to
±5 V (JP9),
Gain Code
Gain
Input Range (V)
AD_GAIN_1 X
1
±5 V
AD_GAIN_2 X
2
±2.5 V
AD_GAIN_4 X
4
±1.25 V
AD_GAIN_8 X
8
±0.625 V
AD_GAIN_16 X
16
±0.3125V
when input voltage range is set to
±10 V(JP9),
Gain Code
Gain
Input Range (V)
AD_GAIN_1 X
1
±10 V
AD_GAIN_2 X
2
±5 V
AD_GAIN_4 X
4
±2.5 V
AD_GAIN_8 X
8
±1.25 V
AD_GAIN_16 X
16
±0.625 V