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VLT Ea4 Parallel Drive Modules
Operating Guide
4.5 Exploded View of Parallel Drive System
This example of a 4-module system is composed of a control shelf and 4 VLT® Ea4 Parallel Drive Modules in 2 side-by-side enclo-
sures. The control shelf attaches to the enclosure and holds the LCP and control card, as well as the MDCIC and control terminals.
Each module connects to the control shelf via a 44-pin ribbon cable.
1
2
3
4
5
6
7
8
9
Illustration 8: Exploded View of a 4-module System
1
MDCIC (behind cover plate)
2
Local control panel and cable
3
Control card
4.6 Installing the Drive Modules
Procedure
1.
Unpack the drive modules.
2.
Prepare the drive module for lifting, using an appropriate lifting equipment. See
3.
Secure the top of the drive enclosure to the mounting plate.
4.
Secure the base of the drive enclosure to the mounting plate.
5.
Line up the groove on the microswitch with the edges on each DC fuse and press firmly until the microswitch clicks into
place.
6.
Install 2 DC fuses with microswitches onto the tops of the DC-link terminals on each drive module. The microswitches
should be installed on the outer side of each terminal.
7.
Secure each fuse with 2 M10 screws and torque the screws.
8.
Install the next drive module.
Danfoss A/S © 2023.01
4
Control shelf
5
Drive module
6
Enclosure
2.2 Lifting the Drive
AQ434333248451en-000101 / 130R1286 | 19
Mechanical Installation
Module.
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