Rockwell Automation 1557 MEDIUM VOLTAGE AC DRIVE - Manual (Page 12)

4-2 HARDWARE DESCRIPTION
1557-UM050F-EN-P – June 2013
DC Link Control Cabinet
The D.C. link/control cabinet is 44 inches wide. The top section has a panel with operator interface
devices mounted on a door within a door. A fully vented door is in the bottom position.
Access to the low voltage control compartment is gained through the hinged low voltage panel.
All low voltage compartments contain the following elements:
4.2 (A) Fiber optic interface boards ( 2 )
4.2 (B) Drive control boards ( 2 for 6-pulse, 3 for 12-pulse )
4.2 (C) Communication processor board ( 1 )
4.2 (D) Digital I/O boards
( 2 )
4.2 (E) D.C./D.C. converter ( 1 )
4.2 (F) A.C./D.C. power supply ( 1 )
4.2 (G) Capacitors
See Figure 4.2
Figure 4.2 – Typical Low Voltage Compartment