Interface Card; Power Card; Control Card/Power Card Mounting Plate; Interface Card, Power Card, And Mounting Plate - Danfoss VLT Series Service Manual

6.2 Interface Card

1. Disconnect cables from connectors on interface
card MK100, MK102 and MK105. Disconnect
cables from connectors MK101 and MK103 only if
replacing interface card.
2. Remove interface card by remove 4 mounting
screws (T25 Torx) from standoffs.
Reinstall in reverse order of this procedure. Tighten T25
screws and interface card standoffs to 20 in-lbs (2.25 Nm).
Card will initialize in service mode. Follow instructions to enter
data required.

6.3 Power Card

1. Remove interface card in accordance with
procedure.
2. Disconnect cables from connectors on power
card MK100, MK102, MK104, MK105, MK106,
MK107, MK109, MK110, and FK100.
3. Remove 2 interface card standoffs (8mm).
4. Remove power card by removing 5 mounting
screws (T25 Torx) from standoffs.
Interface card
mounting screw
MK103
Interface card standoff
Mounting plate
FK100
6-2
VLT is a registered Danfoss trademark
MK100
MK101
MK105
MK110
FK101
FK102
MK109
MK100
Figure 6-2. Interface Card, Power Card, and Mounting Plate
5. Remove current scaling card from power card by
pushing in retaining clips on standoffs. KEEP THIS
SCALING CARD TO REINSTALL ON ANY
REPLACEMENT POWER CARD. Scaling card
controls signals operating with this specific VLT
drive. Scaling card is not part of replacement
power card.
Reinstall in reverse order of this procedure. Tighten mounting
screws and interface card standoffs to 20 in-lbs (2.25 Nm).

6.4 Control Card/Power Card Mounting Plate

1. Remove control card cassette and interface card
in accordance with procedures.
2. Remove 4 mounting nuts (10mm).
3. Disconnect all cabling from power card.
4. Remove optional wiring connections, as
necessary, to free mounting plate.
5. Lift plate free from chassis.
Reinstall in reverse order of this procedure. Torque T25
mounting screws to 20 in-lbs (2.25 Nm).
Interface card
PCA2
MK102
Current scaling card
PCA4
Power card
MK102
PCA3
MK106
MK107
FK103
MK104
Power card mounting
s c r e w
MK105
Mounting plate standoff