Tools Required For Testing; Signal Test Board - Danfoss VLT HVAC Drive FC 100 Service Manual

6 Test Procedures

6.1.1 Tools Required for Testing

6.1.2 Signal Test Board

The signal test board can be used to test circuitry within the adjustable frequency drive and pro-
vides easy access to test points. The test board plugs into connector MK104 on the power card.
6
Its use is described in the procedures where called out. See
Test Equipment
Figure 6.1: Signal Test Board
6-2
Digital volt/ohmmeter capable of reading real RMS
Analog voltmeter
Oscilloscope
Clamp-on style ammeter
Signal test board p/n 176F8437
Test cable p/n 176F8439
, for detailed pin descriptions.
MG.90.L1.22 - VLT
High Power Service Manual for VLT
Signal Test Board
in Section 9,
® is a registered Danfoss trademark
®
FC Series
Adjustable Frequency Drives
Special