Product Announcement from S.I. Tech, Inc.


S.I. Tech Expands Profibus Fiber Optic Line-Image

S.I. Tech has developed a new "Profibus-DP-Ring" and auto speed detection of the bus to Fiber Optic Bit-Driver®. This new product model 2147 is added to the RS485 family of products offered by S.I. Tech which also includes various media converters, switches, and fiber optic repeaters up to Gigabit speed. Applications include Enterprise/Security/IP Video/Shield Rooms/Process Control/SCADA/Instrumentation and Control .

Model #2147 is small size (4.2x4.8x1.7in) ruggedized Bit-Driver® with one RS485 (DB9) port and two Fiber Optic ports. The Fiber Optic ports can be multimode (MM) for short distances and single mode (SM) for long distances. It can also be a combination of multimode on one side and single mode on the other side to match your installed fiber. Both multimode and single mode is provided with ST connectors per Profibus standard. Units offer Din Rail mounting with redundant 24VDC power input commonly available in industrial plants. Boards are conformal coated for environmental protection from Dust/Dirt/Humidity. Enclosure is rated IP40.

Model #2147 has some unique and special features including visual display showing data rate being detected by the Bit-Driver®. This assists the user in making sure that devices on Profibus (RS485 Bus) are set to the same speed. Additionally, model 2147 can be set for "Ring" operational mode. In this special mode, redundancy is provided from the Fiber Optic Bus. Should a break occur in the fiber optic link, both units on either side will change transmission so as to keep "Ring" active. Thereby communication is restored immediately and no data or control is compromised. This is extremely important in 24/7 factory automation and operation. S.I. Tech model 2147 also has built in alarms that can be setup for audio alarm to alert user regarding failure of a particular device on the bus, making replacement easy. Finally, model 2147 Profibus-DP fiber optic repeater has several status indicator LEDs to show operational status and error condition for each port.

S.I. Tech is a fiber optic systems company marketing products worldwide under Bit-Driver® and Fiber Cluster® trademarks. Products are UL/CE/FCC/ROHS compliant. S.I. Tech is ISO9001-2008 registered. For additional information visit our web site at http://www.sitech-bitdriver.com or call Toll Free 866-SITECH-1, Phone 630-761-3640, or Fax 630-761-3644.

 
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