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VLT Ea4 Parallel Drive Modules
Operating Guide
1
DC-link terminal and DC fuse
2
MDCIC plug
3
Microswitch connector to DC fuse
4
Relays 1 and 2
5
Brake fault jumper and connector
6
Mains input terminals (inside the unit)
7
Terminal cover
3.3 Control Shelf
The control shelf contains the local control panel (LCP), MDCIC, and control card. The LCP provides access to the system parameters.
The MDCIC is connected to each of the drive modules via a ribbon cable and communicates to the control card. The control card
controls the operation of the drive modules.
1
2
3
4
5
Illustration 5: Control shelf components
Danfoss A/S © 2023.01
8
Ground terminals
9
Top fan
10
Drive module nameplate. See
11
Motor output terminals (inside the unit)
12
Back-channel cooling
13
Ground plate
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AQ434333248451en-000101 / 130R1286 | 13
Product Overview
Illustration
2.
6
7
8
9
10
11
12
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