Adlink ACL-8112 Series Manual do Utilizador descarregar pdf (Página 44)

36 • Registers

( This table is only for the ACL-8112DG: Low Gain Card)

GAIN

Bipolar

Unipolar

Input Range

1 0 0 0 0.5 Bipolar

10V

0 0 0 0 1 Bipolar

0 0 0 1 2 Bipolar

2.5V

0 0 1 0 4 Bipolar

1.25V

0 0 1 1 8 Bipolar

0.625V

0 1 0 0 1 Unipolar 0V ~ 10V

0 1 0 1 2 Unipolar 0V ~ 5V

0 1 1 0 4 Unipolar 0V ~ 2.5V

0 1 1 1 8 Unipolar 0V ~ 1.25V

Table 4.2-2 Function of the Gain Control Bits

For the ACL-8112PG, the maximum range is changed by hardware jumper

configuration. JP9 is used to change the maximum analog input range form

5V or

10V. If JP9 is set as

5V, the analog input range is listed as below.

G3 G2 G1

GAIN Analog Input Range

0 0 0 0 1

0 0 0 1 2

2.5V

0 0 1 0 4

1.25V

0 0 1 1 8

0.625V

0 1 0 0 16

0.3125V

Table 4.2-3 Analog Input Range ( max. is ±5V)

If JP9 is set as

10V, the analog input range is listed as below

G3 G2 G1

GAIN Analog Input Range

0 0 0 0 1

10V

0 0 0 1 2

0 0 1 0 4

2.5V

0 0 1 1 8

1.25V

0 1 0 0 16

0.625V

Table 4.2-4 Analog Input Range (max. is ±10V)

1 2 ... 39 40 41 42 43 44 45 46 47 48 49 ... 91 92

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