Specifications

Analog Input Modules

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Averaging You may apply a filter that will smooth the values of the analog inputs reported by

the STB AVI 1270. The Advantys configuration software allows you to average over

a specified number of samples. By default, the number of samples averaged is one

(no averaging); you may a average over up to eight samples. To configure an

averaging sample:

Averaging is applied at the module level, not on a per-channel basis.

This parameter is represented as an unsigned 8-bit number. To access this

parameter using RTP, write the following values to the RTP request block:

6 If adjustments need to be made, take the

Advantys configuration software offline.

7 Double-click on the appropriate

STB AVI 1270 module in the island

editor.

The module editor for the selected

STB AVI 1270 module will open.

8 Open the Properties sheet in the module

editor. In the Offset value field, enter the

data value that you read when 0 V was

applied. In the Max. Count value field,

enter the data value that you read when

10 V was applied.

9 Save the new configuration parameters. When the configuration is downloaded to the

physical island, the new offset and

maximum count parameters will be applied

to the analog input channel.

Step Action Result

1 Double click on the STB AVI 1270 module

you want to configure in the island editor.

The selected STB AVI 1270 module opens

in the software module editor.

2 In the Value column of the Averaging row,

enter a decimal or hexadecimal value in

the range 1 to 8.

When you select the Averaging value, the

max/min values of the range appear at the

bottom of the module editor screen.

Length 2

Index (low byte) 0x02

Index (high byte) 0x24

Sub-index 0

Data Byte 1 1 to 8

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