Danfoss VLT series - Page 143

8-5
VLT is a registered Danfoss trademark
Pin
No.
Schematic
Acronym
Function Description Reading Using a Digital
Volt Meter
25 GUP_T IGBT gate
signal, buffered,
U phase,
positive. Signal
originates
on Control Card.
2v/div 100us/div Run@10Hz
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
26 GUN_T IGBT gate
signal, buffered,
U phase,
negative. Signal
originates
on Control Card.
2v/div 100us/div Run@10Hz
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
27 GVP_T IGBT gate
signal, buffered,
V phase,
positive. Signal
originates
on Control Card.
2v/div 100us/div Run@10Hz
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30
28 GVN_T IGBT gate
signal, buffered,
V phase, neg-
ative. Signal
originates
on Control Card.
2v/div 100us/div Run@10Hz
2.2 - 2.5 VDC
Equal on all phases
TP25-TP30