Adlink ACL-8112 Series Manual de usuario Pagina 73

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C Language Library 65
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
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