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ADLINK ACL-8112 Series User Manual

Page 75

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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