Danfoss VLT Series Service Manual page 143

Pin Schematic Function
No. Acronym
25 GUP_T IGBT gate
signal, buffered,
U phase,
positive. Signal
originates
on Control Card.
26 GUN_T IGBT gate
signal, buffered,
U phase,
negative. Signal
originates
on Control Card.
27 GVP_T IGBT gate
signal, buffered,
V phase,
positive. Signal
originates
on Control Card.
28 GVN_T IGBT gate
signal, buffered,
V phase, neg-
ative. Signal
originates
on Control Card.
Description
2v/div 100us/div Run@10Hz
2v/div 100us/div Run@10Hz
2v/div 100us/div Run@10Hz
2v/div 100us/div Run@10Hz
Reading Using a Digital
Volt Meter
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
VLT is a registered Danfoss trademark
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