9400000-J0 Rev C
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4. Cordex System Controller (CXC)
4.1 CXCM4 Features
The CXCM4 (Cordex Controller, Modular, 4RU) is mounted in the rectifier system shelf and brings advanced
monitoring technology to the Cordex series of rectifiers. This compact system controller is designed for seamless
operation and set up for Alpha power systems. It is equipped with a complete range of Cordex software features:
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Designed to communicate directly with the Cordex rectifiers
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Battery temperature compensation charging
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Battery performance diagnostics
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Provision for local and remote communications
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User definable alarms
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Daily logging of power system events and system statistics
The main controller motherboard, behind the CXCM4 front panel, contains a microprocessor, memory, and other
electronic components.
The CXCM4 includes a web server that provides easy set up and monitoring via an Internet connection that uses
a standard Windows Internet Explorer browser.
The data logging feature allows the user to capture data from multiple inputs for AC/DC voltages, load/battery
current, cell voltages and temperatures (automatically for up to 16 user defined logs). Typical applications for
CXCM4 logging include power system details, thermal performance of outdoor enclosures, battery cell specifics,
or mains variations captured by an AC voltage watchdog.
A built-in audio speaker sounds an intermittent tone during active alarms. The input/output (I/O) board houses a
series of terminal connections.
4.2 Controller Front Panel
Display
Located on the front panel is a 160 x 160-pixel graphical LCD with a touch screen similar to those used in PDAs.
This graphical user interface (GUI) allows the operator to interact with screen selectable items using a stylus.
Figure 3 — Cordex CXCM4 model system controller front panel
Touch screen
RS-232 (craft port)
Reset (RST) button
System status LEDs
Ethernet port
