Gate Drive Card - Danfoss VLT FC Series Service Manual

E1h–E4h Drive Disassembly a...

13.2.14 Gate Drive Card

To remove the gate drive card from the mounting plate,
use the following steps. Refer to Illustration 13.13. To
remove the gate drive card mounting plate from the drive,
see chapter 13.2.13 Gate Drive Card Mounting Plate.
Disassembly
1. Remove the input plate and any attached
options. Refer to chapter 13.2.9 Input Plate with
Busbars or chapter 13.2.10 Split Input Plate with
Options.
2. Unplug the cables from the following gate drive
card connectors:
2a MK100
2b MK101
2c MK201 (if brake option is present)
2d MK501
2e MK601
2f MK701
3. Remove 6 screws (T20) from the edges of the
gate drive card. Lift the gate drive card from the
unit.
MG94A502
Service Guide
NOTICE
CABLE ROUTING
To avoid equipment malfunction or damage, ensure that
the IGBT cables are reattached to the correct IGBT cable
connectors (MK501, MK601, and MK701).
NOTICE
UNIQUE TORQUE VALUES
Tighten screws (T20) to the non-standard torque value
specified in the following steps. Tighten remaining
fasteners according to chapter 14.1 Fastener Torque
Ratings.
Reassembly
1.
2.
3.
4.
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Place the gate drive card into position on the
gate drive card mounting plate.
Secure 6 screws (T20) in the edges of the gate
drive card. Torque to 2.27 Nm (20.1 lb-in).
Attach the cables to the following gate drive card
connectors:
3a MK100
3b MK101
3c MK201 (if brake option is present).
3d MK501
3e MK601
3f MK701
Reinstall the input plate and any options. Refer to
chapter 13.2.9 Input Plate with Busbars and
chapter 13.2.10 Split Input Plate with Options.
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