Motor Rotation Check; Dc-Dc Converter Supply Connection - Danfoss VTT Series Applications And Installation Manual

Figure 57
Motor Terminal Block Details

Motor Rotation Check

DC-DC Converter Supply
Connection
Table 32
DC Bus Connection
Page 72 of 73
M-AI-VT-001-EN Rev.C.1
Electrical Power Wiring
If the direction of rotation of the motor is wrong,
it can be corrected by swapping the terminal
The DC bus terminal is used for DC back-up with
the Intermediate circuit being supplied from an
external source.
Terminal No
82
83
Note that voltages up to 1000 V DC may occur on the DC bus Regen terminals.
The connection cable must be screened and the
maximum length from the drive module to the
DC bar is limited to 25 m (82 ').
5 4 3 2 1
connections on two of the phases at the drive
module end of the cable.
The DC-DC board power supply cable should be
connected to the Regen terminals with access
from the bottom side. The ModBus and Interlock
cable harness should be routed properly from the
bottom all the way to the control terminals.
• • • CAUTION • • •
Item Description
1 M10 Nut
2 M10 Split Washer
3 M10 Flat Washer
4 M10 x 1.5 Threaded Stud
5 Spacer Copper C1100