Leviton 3300 series, Инструкция по установке и эксплуатации, Страница: 24 / 48

4 General Metering Features and Functionality
17
The Meter Serial Number screen displays first. The lower left number is the alphabetical digit from
the meter serial number (from 01=A to 26=Z), and the main display shows the numerical portion of
the Serial Number. For example, a display showing “03” on the left and “6149” on the right below
represents meter serial number XXXXXC6149, with the X‘s indicating the manufacturing day and
year. See section 2.2 for more information on meter serial numbers.
3. Hardware Version -- The Hardware Version screen displays the word “Hard‘ and the meter‘s
hardware version.
4. Software Version -- The Software Version screen displays the word “Soft‘ and the meter‘s
software version.
5. CT Ratio -- The CT Ratio screen displays the meter‘s programmed CT ratio. For instance,
“400:0.1” indicates the meter has been calibrated for CTs with a 400:0.1A ratio.
6. Compute Engine Test Runs -- The compute engine performs 10 test runs before the meter starts
normal operation. The test runs are indicated by the TEST icon and the words “Pass X‘, where X
is the test run number.
Once the startup sequence has completed the display defaults to Screen 01, Real Energy (kWh)
delivered (consumed).
4.4 Descriptions of Displayed Information
Push and release the scroll button to cycle through the display screens. Each button press moves
to the next screen in the sequence shown in table 4. After 5 minutes of inactivity on the scroll button
the display will return to Screen 01, Real Energy Delivered (kWh) and remain there until the scroll
button is depressed again.
Refer to section 4.1 for a description of how to set the meter into auto-scroll mode. In this mode the
display is updated every four seconds to cycle through the screens automatically.
All displayed values update approximately once a second.
• Screen 00 – Real Time Clock. Real Time Clock (RTC) is factory set to Pacific Time (GMT-8).
A factory-installed battery backup maintains the RTC before the meter is installed and in power
loss situations.
For information on replacing the battery, please see section 5. The RTC can be set using the
communications port as described in sections 6 and 7 or by using the procedure outlined
in Section 4.5.
WEB
VERSION