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Chapter 1: Description
Power System
Power System
The library supports single and redundant power configurations. The single configuration has a single AC line input and single DC power supply. The redundant configuration has dual AC line input and dual DC power supplies. You can hot swap a power supply if you have a redundant power supply. You can hot add a second power supply.
The power system consists of the following:
• Power supply
• Power distribution unit
• AC power cord
A single power switch, located on the front door of the control module, turns on and off all power for the control module and attached expansion modules. Each power distribution unit has a second circuit breaker, located in the rear of the module, that controls the module power supply output. The power supply has three LEDs that provide status information. The power system also has four fuses for system protection.
The control module and all expansion modules or right parking modules that contain drives must contain a power system. If an expansion module or right parking module contains only cartridges, its power is derived from the control module and a power system is not needed.
High-density expansion modules have their own AC power systems that can supply power to up to six (6) additional HDEMs if redundant power is installed. The additional HDEMs must be in consecutive positions to receive power from a single HDEM. Each power distribution unit has a circuit breaker located at the rear of the module.
38 Quantum Scalar i6000 User’s Guide
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