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Article | February 24, 2012
Eaton Corporation: Single communications card provides four protocols
Eaton’s new communications options for motor protection and soft starters, the C441 Ethernet series of communications cards, allow users to select from Ethernet/IP, Modbus TCP, HTTP web services and Modbus RTU communication protocols in a single card.
The added communications provide flexible communication options to configure, control and monitor systems. Integral web services allow configuration, control, monitoring, and diagnostics. Also, the flexibility in communications adds value to their equipment with simple and desirable features, like supervision and control. Compatible with Eaton C440, XTOE, and C441 electronic motor protection relays, S611 soft starters, and stand-alone input/output (IO). Now, the suite of protocols available for Eaton motor protection and soft starter solutions includes PROFIBUS, Modbus TCP and RTU, DeviceNet, and Ethernet IP. Integral web services provide an easy-to-use web-based graphical user interface (GUI) to make it easier to recognize potential problems. Using a laptop or smart device, customers candrill down to a given load by simply entering an IP address into their web browser. With four levels of access, the cards ensure only those with credentials have access to critical or sensitive functions. Problems can be addressed in real time with intelligent monitoring readouts from starters and on-board available four digital inputs (120 volts alternating current or 24 volts direct current) and two discrete relay outputs. With a dual port switch, the Ethernet card allows for easy daisy chaining and reliable ring configurations. One network may be used for control and another for monitoring--through the Modbus serial protocol used in parallel with the Ethernet network--allowing redundant communications and greater reliability with a single card.
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