Control Shelf - Carrier 19XRV Start-Up And Service Instructions

Control Shelf

The control shelf contains the MDCIC (multi-drive control inter-
face card), and control card. 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. See Fig. 27.
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2
3
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5
1 Control Shelf
2 LCP Cradle
3 Control Terminal Blocks
4
Top Level Drive System Label Label describing the drive system at the top-level.
5
Relay Terminal Blocks
6 Ferrite core
7 44-Pin Ribbon Cable
8 MDCIC
9
SMPS
10 Pilz relay
11 DIN rail
12 Terminal block
Interfaces with, and controls, the various drive system components. Allows connection of
an external control device.
Cradle where the LCP may optionally be installed, but is not provided by factory.
Terminal blocks for connecting control wiring.
Terminal blocks for connecting the relay cable from the relay connector on the top plate of
drive module 1.
Reduces high frequency electromagnetic noise.
Connects the individual drive module with MDCIC.
Multi-drive control interface card (MDCIC) with cover plate removed.
Switched mode power supply
Relay
Mounting
Mounted on DIN rail
Fig. 27 — Control Shelf
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