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Customer Spotlight - Relio™ Emergency Communications
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Customer Spotlight - Relio™ Emergency Communications
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From Sealevel Systems, Inc.
A world leading developer and manufacturer of critical two-way radio communications system used by public safety and government organization such as police and fire departments needed an ultra-reliable industrial computer to monitor remote site operations. Sealevel designed a custom Relio system to monitor all critical site functions and trigger alarms before communication can be jeopardized. Reliability is paramount since the systems may be deployed in remote locations such as mountaintops, deserts, and swamps where a service call would be time consuming and extremely expensive.
A custom 1U rackmount design provides all required functionality. The system shares the 933 MHz single board computer used in the standard 2U Relio with the additional I/O built onto a custom PCB that also includes the DC/DC power supply circuit required for the customer’s 9-36 VDC input range. The serial, digital, and analog I/O are accessed through 68-pin SCSI-3 connectors mounted in the rear of the chassis.
Products & Services
Distributed control systems (DCS) use decentralized elements or subsystems to control distributed processes or complete manufacturing systems.
I/O Modules, cards and boards are used to accept data (input) from computers, sensors, transducers, PLCs, etc., and then distribute the data (output) to other devices in the system.
Digital I/O devices process digital signals (e.g., outputs from a controller) and output the results in digital format.
SCSI adapters and SCSI controllers (SCSI cards) are computer interface cards that are installed in an expansion slot. They are used to connect the SCSI system to several devices and peripherals using a daisy chain method.
Data acquisition is the digitizing and processing of multiple sensor or signal inputs for the purpose of monitoring, analyzing and/or controlling systems and processes. Signal conditioning includes the amplification, filtering, converting, and other processes required to make sensor output suitable for rereading by computer boards.
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Topics of Interest
A manufacturer of security systems for public facilities required a 2U rackmount computer with a large amount of I/O to interface a variety of motors and sensors. The new system based on the Relio...
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Technical Articles
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