Danfoss VLT FC 300

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2
3
4
7
8
9
10
11
12
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15
130BX494.12
1
5
6
6
Figure 6.3 Power Card
1
FK901: Switch mode power supply (SMPS) fuse 8 MK103: Gate drive and inrush control signals
2 MK901: DC input terminals for use with split bus power supply 9 MK101: Current sensor feedback
3 MK902: DC voltage from DC bus to power card SMPS 10 MK104: Signal test board connector
4 MK106: Brake temperature switch input 11 MK100: Current scaling board connector
5 MK500: Customer terminals for relays 1 and 2 12 MK102: Control card to power card connection
6 MK501: Heatsink and door/top fan control 13 Current scaling
7 MK502: RFI relay control
Table 6.2 Legend to Figure 6.3
Test Procedures
Service Manual
72 Danfoss A/S © Rev. 2014-02-10 All rights reserved. MG94A222
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