Danfoss VLT FC 100 Service Manual page 126

Special Test Equipment
Pin Schematic
No. acronym
28 GVN_T
29 GWP_T
8 8
30 GWN_T
Table 8.1 Signal Test Board Pins
124
Service Manual
Function Description
IGBT gate signal,
8.00
buffered, V phase,
6.00
negative. Signal
4.00
originates on
2.00
control card.
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms
2v/div 100us/div Run@10 Hz
IGBT gate signal,
8.00
buffered, W
6.00
phase, positive.
4.00
Signal originates
2.00
on control card.
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms
2v/div 100us/div Run@10 Hz
IGBT gate signal,
8.00
buffered, W
6.00
phase, negative.
4.00
Signal originates
2.00
on control card.
0.00 V
-2.00
-4.00
-6.00
-8.00
-4.0ms
2v/div 100us/div Run@10 Hz
Danfoss A/S © Rev. 2014-02-10 All rights reserved.
Input A
50Us/Div
Input A
50Us/Div
Input A
50Us/Div
Reading using a
digital voltmeter
2.2–2.5 V DC
Equal on all phases
TP25-TP30
2.2–2.5 V DC
Equal on all phases
TP25-TP30
2.2–2.5 V DC
Equal on all phases
TP25-TP30
MG94A222