Communications
By Staff -- Plant Engineering, 9/1/2004
Message display
InView P9x message display family has been enhanced to provide greater visibility of information from distances up to 450 ft. Software for this message display has been upgraded to synchronize and streamline information from multiple sources. Displays are available in 36 or 72-in. lengths.
Rockwell Automation, Inc. norstat.com Write 317 on PE card
Public address speakers
Wide-Area Dispersion Speaker (WDS) is designed for efficient, large-area sound coverage and high-quality reproduction of voice, tone, and live public address. Mounting the speaker in a vertical line or line array, radiates sound in a cylindrical shape, rather than spherically. The basic model (WDS80) is rated at 80 W with transformer taps at 80, 50, 25, and 12.5 W.
Federal Signal Corp. federalsignal-indust.com Write 318 on PE card
Mobile phone
i305 entry-level mobile phone is designed for rugged environments such as industrial plants. Phone features rain resistance, digital cellular, walkie-talkie function, 2-way text messaging, and online wireless data. GPS-enabled phone allows plants to replace 2-way radios, pagers, and cellular with one device.
Nextel Communications nextel.com Write 319 on PE card
Target relay
Annunciator Target Relay (ATR) is a compact, solid-state, reliable, and economical alternative to electromechanical annunciators. It offers a shorter, adjustable trip response time and mounts in a standard 3-hole panel installation. Relay illuminates a bright LED to indicate a trip event and sends signals to activate other devices.
Electroswitch Corp. electroswitch.com Write 320 on PE card
