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CAN-CBX-AI420 - esd electronics, Inc.

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8.9.6 Accu N (2402 h)<br />

Index<br />

[Hex]<br />

76<br />

2402<br />

Manufacturer Specific Profile Area<br />

Subindex<br />

[Dec]<br />

Description<br />

Value range<br />

[Hex]<br />

Default<br />

[Dec]<br />

Data type R/W<br />

0 Number of entries 4 4 unsigned 8 ro<br />

1 Accu_Count_1 0...8 0 unsigned 8 rw<br />

2 Accu_Count_2 0...8 0 unsigned 8 rw<br />

3 Accu_Count_3 0...8 0 unsigned 8 rw<br />

4 Accu_Count_4 0...8 0 unsigned 8 rw<br />

This object defines, how many analogue values are to be added up.<br />

By the appropriate pre-processing of the output value of the A/D-converter the result of this addition<br />

is always a 16-bit value in the two’s complement representation.<br />

The number of additions is calculated as:<br />

number of additions = n n = 2 (Accu_Count_x)<br />

Up to 256 values can be added up.<br />

Advantage: Filter with decimation, improvement of the resolution, limitation of the data rate.<br />

Disadvantage: The measured value is not updated until the addition is finished.<br />

<strong>CAN</strong>-<strong>CBX</strong>-<strong>AI420</strong> Manual Rev. 1.3

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