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Installation and Operation Guide
ED-DT318B
Drive Train Systems with Traction Control, Inverter/Controller, and Motor with 2 Speed Transmission
BC353060341319en-000101
Revision D
© Danfoss | November 2020 | 37
Classified as Business
WARNING
Do not attempt to tighten the signal cable connector without the aid of a torque
strap. Finger tight is not sufficient to maintain contact.
CAUTION
Do not over-tighten or under-tighten the signal cable connector.
3.4
TCU to MCU Interface Cable
The TCU to MCU Interface Cable (Cable C in
provides the TCU to MCU CAN connection. It also
provides the 24 V battery power to the MCU and the MCU RS232 serial connection from the MCU to the
Drivetrain Interface connection (Connector 3 in
The TCU to MCU Interface cable is provided as part of the PowerPhase
®
DT2 system. It has a 12 pin Deutsch
connector at one end and a 10 pin connector at the other. The customer is responsible for insuring that the cable
is firmly connected from the inverter’s Deutsch connector (Connector 1 in
to the 10-pin MCU
Interface connector (Connector 2 in
Figure 3.8: Connector Bracket
3.5
Drivetrain Interface Connector
The Drivetrain Interface Connector (connector 3 in
) provides access for the VCU control
CAN as well as the ability to monitor the TCU to MCU CAN bus and the MCU RS232 diagnostic bus. The TCU to
MCU CAN bus is also used to upgrade the TCU code, the TCU configuration, and the MCU code. The MCU RS232
diagnostic bus allows access to the MCU for the Motor Diagnostic Software (
Section 8
When routing the VCU CAN Bus, note that the CAN bus connecting the VCU to the TCU has two sets of leads in
the Drivetrain Interface Connector: VCU CAN Leg A (pins 1, 2 & 3) and VCU CAN Leg B (pins 4, 5 & 6). Both should
be used as they are provided to preserve the integrity of the daisy chain for that bus. If the user elects to place
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