Instantaneous Trip Test
Instantaneous Trip Test Requirements
The system should be tested upon initial start-up and:
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in accordance with a facility maintenance schedule;
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if any of the components in the system are replaced.;.
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if any work is done in the area of the system wiring;
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if required per installation requirements.
Instantaneous Trip Test Necessary Tools
The following is needed to perform a tripping test:
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EcoStruxure Power Commission Software
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Mini B USB Cable
Instantaneous Trip Test Procedure
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1 |
Connect the PC to the MicroLogic control unit using a USB cable. |
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2 |
Open the EcoStruxure Power Commission software and click on “Connect to device directly” (A). This will allow the user access to the MasterPacT MTZ circuit breaker through the commissioning tool. |
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3 |
Click on “CONNECT TO DEVICE” (B) to connect through direct USB connection. |
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Click on "Configure" (C) to configure the protection settings. |
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5 |
Click on the “Protection” tab (D). |
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6 |
Click “WRITE TO PROJECT” (E) to transfer the Device
Values to the project. |
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7 |
Adjust the Instantaneous pickup (Ii) to the appropriate setting for the application (F). |
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Click on WRITE TO DEVICE (G). |
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Recheck the settings and click on “PROCEED” (H) .
Enter the password and click on continue (I) to perform the operation. Click on the back icon (J) to view the Device page. |
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10 |
On the Device view screen, click on "Automatic trip tests" (K). |
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On the Automatic trip curve screen, select Pre-configured test point (L) or custom test point (M). For Pre-configured test point: Select the trip curve to be tested (N) and select “Instantaneous protection” (O) under the list of tests to perform. |
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For custom test point: Enter the Injection current and Inject time (P). NOTE: Injection current should be greater than the instantaneous
pickup value for the application.
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Click on “Run Test” (Q). |
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Read and understand the Notice. If understood, click “I UNDERSTAND” (R). |
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Enter the password and click “CONTINUE” (S). NOTE: The default password is: “0000”
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The automatic trip curve test is performed, and the test result are shown on the bottom of the screen. |
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Click on the Reports tab (T) and select Automatic trip test report (U) to generate the test report. |
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The test report shows the trip test result and can be saved as a pdf or printed. |
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