7EN02-0443-00

Configuring the basic setup parameters

Configure the power system type, CT and VT ratio, nominal frequency, and phase rotation using the Basic Setup screen.
  1. Double-click on Basic Setup to open the dialog showing the list of parameters.
  2. Select a parameter and click Edit to open its specific setup dialog.

    Parameter

    Options

    Description

    System Type

    1Ph 2Wire L-N

    • Number of CTs
      • (1) One CT on I1

    • Number of VTs

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure a single-phase 2 wire line-to-neutral power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    1Ph 2Wire L-L

    • Number of CTs
      • (1) One CT on I1

    • Number of VTs

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure a single-phase 2 wire line-to-line power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    1Ph 3Wire L-L with N

    • Number of CTs
      • (2) Two CTs on I1 I2

    • Number of VTs

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure a single-phase 3 wire line-to-line with grounded neutral power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    3Ph 3Wire Ungrounded Delta

    • Number of CTs
      • (1) One CT on I1

      • (2) Two CTs on I1 I3

      • (3) Three CTs

    • Number of VTs

      • (2) Two VTs on V1 V3

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure a 3 phase 3 wire ungrounded delta power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    3Ph 4Wire Grounded Wye (Default)

    • Number of CTs
      • (1) One CT on I1

      • (2) Two CTs on I1 I3

      • (3) Three CTs

    • Number of VTs

      • (3) Three VTs

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure a 3 phase 4 wire grounded Wye power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    1PH4W Multi L with N

    • Number of CTs
      • (2) Two CTs on I1 I2

      • (3) Three CTs

    • Number of VTs

      • (0) Direct Connect

    Step 1: Select this when the meter is wired to measure multiple loads on a single-phase line-to-neutral power system, and then click Next.

    Step 2: Choose the Number of CTs and Number of VTs from the Set System Options, and then click Finish.

    CT Primary

    EM3570X

    • 1 to 32767

    (Default: 100)

    Enter the size of the CT primary, in Amps.

    EM3570AX

    • 5000

    CT ratio primary.

    NOTE: The CT ratio primary is read-only.

    CT Secondary

    EM3570X

    • 1000 mV

    • 333 mV

    (Default: 1000 mV)

    Select the size of the CT secondary, in millivolts.

    EM3570AX

    • Rcoil

    CT ratio secondary.

    NOTE: The CT ratio secondary is read-only.

    VT Primary

    1 to 1000000

    (Default: 100)

    Enter the size of the VT primary, in Volts.

    VT Secondary

    • 100 Volts
    • 110 Volts
    • 115 Volts
    • 120 Volts
    (Default: 100 Volts)

    Select the size of the VT secondary, in Volts.

    Nominal Frequency

    • 50 Hz
    • 60 Hz
    (Default: 60 Hz)

    Select the frequency of the electrical power system, in Hertz.

    Phase Rotation

    ABC

    CBA

    (Default: ABC)

    Select the order of phase rotation.

  3. Click OK, and then click Send to save your changes to the meter.
    NOTE: When changes are not saved to the meter, the status bar on the bottom left screen shows Download Incomplete.
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