Danfoss VLT HVAC Drive FC 100 Service Manual page 8

High Power Service Manual for VLT
Adjustable Frequency Drives
Figure 6.18: Gate Signal Waveform from Gate Drive Card. IGBT Gate Signal measured on
the Gate Drive Card: 5 volts per division vertical scale, 50 microseconds per division time
scale. Unit running at 30 Hz.
Figure 6.19: Gate Signal Waveform from Signal Test Board. IGBT Gate Signal measured with
the Signal Test Board: 2 volts per division vertical scale, 50 microseconds per division time
scale. Unit running at 30 Hertz.
Figure 7.1: Control Card Access
Figure 7.2: Power Card, and Mounting Plate
Figure 7.3: Soft Charge Card Assy
Figure 7.4: Gate Drive Card
Figure 7.5: D2/D4
Figure 7.6: D1/D3
Figure 7.7: D2/D4
Figure 7.8: D2/D4
Figure 7.9: D1/D3
Figure 7.10: D1/D3
Figure 7.11: Input Terminal Mounting Plate Assembly (no options shown)
Figure 7.12: D2/D4
Figure 7.13: D2/D4
Figure 7.14: D2/D4
Figure 7.15: D2/D4
Figure 7.16: D1/D3
Figure 7.17: D1/D3
Figure 7.18: D1/D3
Figure 7.19: Current Sensors
Figure 7.20: Fan Assembly (1 of 2)
Figure 7.21: Fan Assembly (2 of 2)
Figure 7.22: AC Input Terminals (no options shown)
Figure 7.23: D2/D4
Figure 7.24: D2/D4
Figure 7.25: D2/D4
Figure 7.26: D1/D3
Figure 7.27: D1/D3
Figure 8.1: Control Card Access
Figure 8.2: Power Card, and Mounting Plate
Figure 8.3: Soft Charge Card
Figure 8.4: Gate Drive Card.
Figure 8.5: Upper and Lower Capacitor Bank Assemblies
®
FC Series
®
MG.90.L1.22 - VLT is a registered Danfoss trademark
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