Gate Drive Card In D-Sized Drives - Danfoss VLT FC Series Service Manual
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Also See for VLT FC Series:
- Operating instructions manual (64 pages) ,
- Operating manual (26 pages) ,
- Installation manual (12 pages)
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Test Procedures
8.3.8 Gate Drive Card in D-sized Drives
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8
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13
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MK102: Connection to inrush board
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MK101: Gate drive/inrush signals to power card
3
MK700: W phase upper IGBT test point
4
MK701: W phase IGBT signal
5
MK702: W phase lower IGBT test point
6
MK200: Brake IGBT test point (optional)
7
MK201: Brake IGBT gate signal (optional)
Illustration 8.8 Gate Drive Card in D-sized Drives
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VLT
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2
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10
Danfoss A/S © 02/2019 All rights reserved.
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FC Series, D1h–D8h, Da2/Db2/Da4/Db4, E1h–E4h, J8/J9
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8
7
8
MK600: V phase upper IGBT test point
9
MK601: V phase IGBT gate signal
10
MIK602: V phase lower IGBT test point
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MK100: IGBT temperature feedback
12
MK500: U phase upper IGBT test point
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MK501: U phase IGBT gate signal
14
MK502: U phase lower IGBT test point
6
4
3
5
MG94A502
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Troubleshooting
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Questions and answers
How do I clear log S:28[M26] in my danfoss vfd
How can clear log S:28[M26]in my danfoss vfd
To clear log S:28[M26] in your Danfoss VLT FC Series VFD, reset the unit. This clears alarms and warnings, as noted for similar faults like ALARM 78. Make sure the issue causing the log has been resolved before resetting.
This answer is automatically generated