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How do I perform a Static Test Check on an Altivar 320?
Issue:
Perform a Static Test on an Altivar 320

Product Line:
ATV320

Environment:
ATV320 all series

Cause:
Test needed to check for short.

Resolution:
Checking The Input and Output Diode Bridges
This test is done using a digital multi-meter in diode test mode to check that the transistors and diodes are not short-circuited.


ALL TESTS ARE TO BE PERFORMED WITH ALL SOURCES OF POWER REMOVED FROM THE DRIVE

Drive uses all diodes on the Input and Output Diode Bridge.
  • Instrument
    • Use Digit-Meter with a diode scale
  • Measurement
    • ​Locate PA+ and PC- input on drive power terminals (should be close to your power connection terminals)
    • Set meter to diode scale
    • To measure Input diodes
      • Place black on positive bus (PA+) and red on L1
      • Get readings and then move to L2, and then L3
      • When done swap red and black probes, and measure again between (PA+) to L1...L3
      • Readings should be OL in one direction and a low voltage reading the other way (Example 0.3v)
    • To measure Output diodes
      • Place black on positive bus (PA+) and red on T1
      • Get readings and then move to T,2  and then T3
      • When done swap red and black probes , and measure again between (PA+) to T1...T3
      • Readings should be OL in one direction and a low voltage reading the other way (Example 0.3v)
      • atv320 static test

To confirm the terminals check the ATV320 Installation Manual (link below), from page 97 to 114
https://www.se.com/mx/es/download/document/NVE41289/

Power terminals diagram are attached in the file.

Schneider Electric Nigeria

Attachment(s)
ATV320_Power Terminals.pdf [3.07 MB]
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