Danfoss VLT 380-500 V Design Manual page 15

Product Overview
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Area Title Functions
1 Cabinet Used to house the drive modules and other drive system components.
(installer-
provided)
2 DC busbars Used to connect the DC terminals of the drive modules in parallel. The kit can be ordered from Danfoss or
(part of fabricated by the panel builder.
busbar kit
option)
3 Wire harness Used to link various components to the control shelf.
4 LCP The local control module, shown mounted on the cabinet door. Allows the operator to monitor and control the
system and motor.
5 Control shelf Consists of an MDCIC (multi-drive control interface card), a control card, an LCP, a safety relay, and an SMPS
(switched-mode power supply). The MDCIC interfaces the LCP and control card with the power card in each drive
module.
6 Drive modules 2 or 4 drive modules can be installed in parallel to create a drive system.
7 Busbar kit Used to connect the motor, mains, and ground terminals of the drive modules in parallel. The kit can be either
(optional) ordered from Danfoss as an optional kit or fabricated by the panel builder.
8 In-bottom/out- Used to direct air in from the base of the enclosure, through the back channel of the drive module, and out
back cooling through the top of the enclosure. Reduces heat inside the enclosure by 85%. The kit can be ordered from Danfoss
(optional) as an optional kit. Refer to chapter 4.5.1 Back-channel Cooling Examples.
Illustration 4.4 Overview of 4-drive System without EMI/EMC Shields
MG37N102
Design Guide
Danfoss A/S © 6/2016 All rights reserved.
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