Adlink ACL-8112 Series Manual do Utilizador descarregar pdf (Página 73)

C Language Library

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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 to 10V

AD_U_5_V 2 Unipolar 0V to 5V

AD_U_2_5_V 4 Unipolar 0V to 2.5V

AD_U_1_25_V 8 Unipolar 0V to 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

1 2 ... 68 69 70 71 72 73 74 75 76 77 78 ... 92 93

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