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Challenge - A power generating plant in north central USA uses a mobile platform to convey coal from the railroad delivery point to a storage lot. The coal handling process was monitored and controlled by a wired interface. Because the system moved on rails, the data cable was frequently disconnected from the SCADA system, stalling the operation, and causing costly downtime.

Solution - To eliminate recurring service interruptions, cable runs were replaced with 900 MHz, Class1 Div2, UL serial radio modems. A "master" radio modem was installed at the control center's PLC. Additional radio modems were connected to each PLC on the conveyor platform. Because the system operates transparently, the PLCs did not require reconfiguration.

Now the conveyor and coal both roll along merrily and lost productivity has come to a screeching halt. Call today and find out how B&B Electronics can keep your systems - and revenue – on track!

Product - Industrial Grade Radio Modems

• License-free radio wire replacement

• RS-232/422/485 serial communications

• Modbus compatible - no additional converters needed

• Constant signal strength feedback - during installation and troubleshooting

• Frequency: ISM band, 902 to 928 MHz or 2.400 to 2.4385 GHz (868MHz available)

• Modulation: FSK- Frequency Shift Keying

• 3dBi for 900 MHz; 2.1 dBi for 2.4 GHz RPSMA male dipole, antenna included

• -40 to 85°C wide temperature circuitry - for indoor/outdoor applications

• Power supply redundancy and versatility: 10 to 48 VDC or 24 VAC

• Rugged circuitry & heavy-duty DIN mount case saves panel/cabinet space

• Class 1 Div 2, 256-bit encryption (Model ZP9D-115RM-LR)

Why String Cable When You Can Make Connections Wirelessly? Easy to install. Transparent to use. Point to multi-point applications. License-free! Zlinx Radio Modems provide fast, reliable, secure, and economical transmission of data to remote sites. Ideal for industrial applications where a rugged solution is required and running a cable is difficult or impossible.

Make the Connection, Keep the Connection! Zlinx radio modems do the job faster, easier, cheaper. These industrial-grade wireless modems have a reputation for robust and reliable high-speed, secure communication. Providing wide area system coverage and transmission of critical data to remote sites, Zlinx transmits serial signals transparently up to 14mi/22km (even 40mi/64km with long range units, high-gain antenna). Features include easy access terminal block, signal strength and signal failure indicator lights,and DIN rail industrial case.

Select the power level you need to punch through whatever distance and interference situations you encounter. Zlinx solutions operate within ISM 868 MHz, 900 MHz and 2.4 GHz frequencies. Coupled with extraordinary receiver sensitivity, these radio modems can operate full-duplex over long distances and through challenging environments. Special filtering technology blocks cell phone, pager and other wireless interference. These modems operate from 9600 bps to 115.2Kbps and transfer RS-232/422/485 serial signals. Over-the-air data rate is 115Kbps.

Each transceiver carries FCC approvals for use in the USA and IC approvals for Canada. The modems provide 256-bit AES encryption – the highest encryption standard available – for maximum security for sensitive data. Versatile power from 10 to 48 VDC or 18 to 30 VAC. The terminal block allows plug-and-play connection to RS-232/485. Other beneficial features to aid in troubleshooting include a Signal Strength Indicator and a Wireless Failure Output Indicator.

The compact, heavy-duty, DIN rail mount industrial-grade case and components with a ½-wave dipole whip antenna saves panel or cabinet space. Rugged circuitry and wide temperature range (-40 to 85 degrees C) handles both indoor and outside applications. This protection is especially attractive for applications such as SCADA, electronic signs, and fleet management that constantly deal with electronic devices operating in fluctuating outdoor climates.

Call B&B Electronics today! We can help you too. For price-for-performance value, choose wireless products - available direct-to-you from B&B Electronics Manufacturing Co., Inc. We design, customize, and manufacture wireless I/O, radio modems, monitoring kits and more. Whether you need to communicate meters or miles, monitor and control remote I/O, or connect to a LAN via a cellular router, B&B Electronics has the wireless solution for you! Visit www.bb-electronics.com for product and ordering information.

Designing, customizing, and manufacturing rugged and reliable products since 1981, B&B Electronics provides total solutions for industrial automation and device networking.