Danfoss VLT FC 300 Service Manual

Pin
No.
Schematic
acronym
Function Description Reading using a
digital voltmeter
28 GVN_T IGBT gate signal,
buffered, V phase,
negative. Signal
originates on
control card.
8.00
6.00
4.00
2.00
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms 50Us/Div
Input A
130BX153.10
2v/div 100us/div Run@10 Hz
2.2–2.5 V DC
Equal on all phases
TP25-TP30
29 GWP_T IGBT gate signal,
buffered, W
phase, positive.
Signal originates
on control card.
8.00
6.00
4.00
2.00
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms 50Us/Div
Input A
130BX153.10
2v/div 100us/div Run@10 Hz
2.2–2.5 V DC
Equal on all phases
TP25-TP30
30 GWN_T IGBT gate signal,
buffered, W
phase, negative.
Signal originates
on control card.
8.00
6.00
4.00
2.00
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms 50Us/Div
Input A
130BX153.10
2v/div 100us/div Run@10 Hz
2.2–2.5 V DC
Equal on all phases
TP25-TP30
Table 8.1 Signal Test Board Pins
Special Test Equipment Service Manual
124 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG94A222
88

Danfoss VLT FC 300 Specifications

General

Brand	Danfoss
Model	VLT FC 300
Category	DC Drives
Language	English