Raritan PX-1000 Series Guide de l'utilisateur télécharger pdf (Page 74)

Chapter 5: Using the Web Interface

3. To select a date, do either of the following:

 Click Today if you want to select today.

Note: On the calendar, the date for today is marked with a red frame.

 Click any date on the calendar.

Setting Data Logging

The data retrieval feature allows the retrieval of Dominion PX data by an

SNMP manager, such as the data of PDU, line, and circuit breaker.

Dominion PX can store 120 measurements for each sensor in a memory

buffer. This memory buffer is known as the data log. Sensor readings in

the data log can be retrieved using SNMP.

You can configure how often measurements are written into the data log

using the Measurements Per Log Entry field. Since Dominion PX's internal

sensors are measured every second, specifying a value of 60, for example,

would cause measurements to be written to the data log once every

minute. Since there are 120 measurements of storage per sensor,

specifying a value of 60 means the log can store the last two hours of

measurements before the oldest one in log gets overwritten.

Whenever measurements are written to the log, three values for each

sensor are written: the average, minimum and maximum values. For

example, if measurements are written every minute, the average of all

measurements that occurred during the preceding 60 seconds along with

the minimum and maximum measurement values are written to the log.

Note: Dominion PX's SNMP agent must be enabled for this feature to work.

See Enabling SNMP (on page 136) for more details. In addition, using an

NTP time server ensures accurately time-stamped measurements.

Enabling Data Logging

By default, data logging is disabled. Only users having the "Administrator"

or "Change Data Logging Settings" permissions can enable or disable this

feature. See Setting Up Roles (on page 68, on page 69).

To configure the data logging feature:

1. Choose Device Settings > Data Logging. The Data Logging Options

dialog appears.

2. To enable the data logging feature, select the "enable" checkbox in

the Enable Data Logging field.

3. Type a number in the Measurements Per Log Entry field. Valid range

is from 1 to 600. The default is 60.

4. Verify that all sensor logging is enabled. If not, click Enable All in Page

to have all sensors selected.

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Raritan PX-1000 Series Guide de l'utilisateur Page 74