Echelon SmartServer 2.2 Manual de usuario descargar pdf (Pagina 264)

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SmartServer 2.2 User’s Guide 265

You can change the default presets for a given data type by modifying its

template in the /config/template/lonworks/dp folder on the SmartServer

flash disk. For example, you could change the default presets for the

SNVT_switch data type by modifying the

/config/template/lonworks/dp/#0000000000000000.SNVT_switch.xml

file.

Fields

Structured data points (data points with multiple fields) such as

SNVT_switch, SNVT_alarm, and SCPT_maxRcvT have default names

and unit strings describing each field that are defined by resource files.

You can edit the default names and unit strings.

Using a SNVT_swtich data point for example, the data point will have

fields named by default “Value” and “State” with unit strings of “% of full

level” and “state code”, respectively. You could change the unit string

used to describe the “State” field from the default “state code” to

“occupied” for a restroom occupancy sensor

To edit the unit strings of the fields within a structured data point on an

internal SmartServer device, click Add Unit to open the Select Fields

dialog. Click the field with the unit string to be edited and then click OK

to return to the Configure - Data Point Web Page, and then click Submit.

The selected field is added under the Fields property at the bottom of the

Configure - Data Point Web Page. You can then enter a brief description

of the unit string to be used for that field in the Unit String box.

To edit the unit strings of the fields within a structured data point on an

external device, enter a brief description of the units to be used for that

field in the Unit String box.

To reset the unit string used by a field to its default, click the field and

then click Delete Unit.

5. Click Submit.

Configuring LONWORKS Data Point Driver Properties

To configure the driver properties of a data point, follow these steps:

1. Click Driver.

2. Click one or more data points to be configured.

3. The Setup - LON Data Point Driver Web page opens.

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Echelon SmartServer 2.2 Manual de usuario Pagina 264

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