Tip of the Month: Sensor Wires

Posted by jBrown on Fri, Feb 4, 2011 @ 11:45 AM

The distance a sensor wire can run between an alarm autodialer and its contacts depends on two factors: the alarm autodialer model and wire size. Generally, the smaller the wire’s gauge, the shorter it can run. Take the Verbatim model, for example. With this system, an 18-gauge wire allows 33 miles between the alarm autodialer and contact, but go down to 20-gauge, and the distance drops to 20 miles. Take it down to 24 gauge, and the limit falls to 8 miles. See sensor wire information for all of RACO’s models in a handy chart on our website.

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RACO’s New Verbatim SCADA System

Posted by jBrown on Fri, Jan 28, 2011 @ 2:41 PM

RACO’s Verbatim® SCADA, a pump station performance monitoring system, works with an existing fleet of Verbatim remote telemetry units (RTUs), making it an ideal system upgrade for current Verbatim RTU users. The system, which is compatible with Windows 2000 or Windows XP, combines the Verbatim System with a central station host computer, allowing an interface with up to 2500 RTUs. Efficient and easy-to-use, Verbatim consists of the central station host computer, which communicates to the RTU fleet via a modem bank. Since the system is designed specifically for Verbatim RTUs, no programmi... Continue Reading

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Connecting the RACO Catalyst RTU to the Hach Water Distribution Panel

Posted by jBrown on Tue, Jan 25, 2011 @ 12:20 PM

A RACO Catalyst remote telemetry unit (RTU)  is an ideal companion to a Hach Water Distribution Panel (WDP). With the right hardware and RACO Alarmware software, plus some easy-to-follow instructions, setting up the system is easy. Required Equipment A Hach WDP/Catalyst system involves connecting a Hach Mod I/O (#598000) to the WDP through an Aquatrend network cable (#5215700). The RTU communicates with the Mod I/O through an RS232 null modem cable. The RTU also is connected to a dedicated Plane Old Telephone System (POTS) with an RJ11 phone cord. The setup allows the Catalyst RTU to mo... Continue Reading

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Know Your Options: Communication Platforms for Remote Monitoring Systems

Posted by jBrown on Mon, Jan 24, 2011 @ 8:44 AM

Remote terminal units, or RTUs, allow municipalities, utilities and manufacturers to remotely monitor facilities and equipment and communicate data or alarms to personnel via phone, fax, pager, cell phone, email or voicemail. Traditionally, RTUs transmit data or alarm notifications via landline telephone, but more options are now available. They include: • Conventional landline: The conventional landline option is the simplest—an RTU transmits data via the landline network to the predetermined device. • Cellular networks: The prevalence of cell phones means the RTU can transmit thr... Continue Reading

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Case Study: Alarm System Increases Response Efficiency for Municipal Utilities

Posted by jBrown on Fri, Jan 21, 2011 @ 9:18 AM

The Evesham Municipal Utilities Authority in Marlton, N.J., found the alarm reporting system for its water and wastewater facilities troublesome. When the system sensed an alarm, it alerted the supervisor. But to find out exactly where the alarm occurred, he had to visit the plant’s main instrument panel and then send out maintenance personnel to investigate the problem. However, the fault often turned out to be just temporary, causing delayed response times and unnecessary overtime. To resolve these problems, the authority opted to install a unique alarm monitoring and reporting system c... Continue Reading

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