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Today's Automation News Headlines from Automation.com
| Woodhead modules connect ControlLogix to Modbus | ||
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 November 14, 2007, Lincolnshire, IL USA. - Woodhead Industries announces the BradCommunications SST Modbus and Modbus TCP network interface modules. The BradCommunications SST Modbus and Modbus TCP network interface modules provide a fast and easy way to connect Modbus networks to the Allen-Bradley ControlLogix system. When the ControlLogix processor combines with the SST module, users benefit by quickly and easily being able to communicate with Modbus and Modbus TCP in a reliable and effective manner. The SST modules are available in 2 versions. The SST-SR4-CLX-RLL module offers 4 independent RS232/RS485 serial ports operating as master and/or slave Modbus protocols supporting ASCII and RTU formats. The SST-ESR2-CLX-RLL module provides 2 serial ports (using the same features as the SST-SR4-CLX-RLL) and 1 Ethernet port executing Modbus TCP (UDP and IP) protocol in both client and server modes simultaneously. Quick to implement in your control application, the SST modules act as input / output modules and share I/O process data directly with the ControlLogix processor’s memory without the need to write any ladder logic. The configuration setup to exchange data between the Modbus and Modbus TCP devices and the Allen-Bradley ControlLogix is accomplished through the use of a Windows software console that supports the Allen-Bradley Remote Link Library (RLL) feature allowing remote monitoring and downloading of changes to the network configuration. The configuration can also be stored on a USB memory stick and then plugged into the SST module so it can be “booted” using the new configuration. The SST modules can also act as a gateway. One example where this feature can be applied is the reading of the data from a serial Modbus slave and then writing it through the Ethernet Modbus TCP port. This function is achieved through the use of the SST module’s internal database of 32K words and 32K bits that can also be shared with the ControlLogix processor. Applications where the BradCommunications SST Modbus and Modbus TCP network interface modules can be used include food processing, mining, building automation, petrochemical and manufacturing industries. Through its Brad product line, the company offers a complete line of products for Ethernet and Serial networks which empower the industrial infrastructure including PC & PLC interfaces, gateways, diagnostic tools, simulation software, cable, cordsets, connectors, receptacles, distribution boxes and I/O modules. About Woodhead Industries Woodhead Industries, a division of Molex Incorporated, (NASDAQ: MOLX AND MOLXA), is a global developer, manufacturer and marketer of a wide array of Automation and Electrical products engineered for superior performance in demanding, harsh, or hazardous industrial environments. Woodhead Industries "Empowers the Industrial Infrastructure" with innovative products and solutions that extend from mechanical, electrical and electronics, to communications/networking devices and diagnostic software. Woodhead Industries' Brad lines of Automation products include such globally recognized names as applicom, Direct-Link, mPm, RJ-Lnxx and SST. The Woodhead family of Electrical products include globally recognized names such as Aero-Motive, Daniel Woodhead, Watertite and Super-Safeway. Molex operates from 54 locations in 18 countries spanning North America, Europe and Asia/Pacific. |
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