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Press Releases

4-20 mA Current Loop Transmitter Board Provides Channel-to-Channel Isolation

Author: Earle Foster
Date: 10/09/2014
Website: Click here to download this press release and a high-resolution image.
Contact E-mail: earle.foster@sealevel.com

PRODUCT FEATURES
  • Eight 4-20 mA transmitter channels
  • 18-32 VDC user loop voltage range
  • 1500 VAC channel-to channel isolation
  • Loop powered transmitter
  • Reliable long-distance communication even in harsh environments
  • Field wiring is simplified via removable 3.5mm terminal blocks compatible with 16-30 AWG wire
  • Input power provided via backplane connector
  • Included SeaMAX software supports Microsoft Windows and Linux operating systems

LIBERTY, SC, USA – Sealevel Systems, Inc. adds a new 4-20 mA current loop board to the SeaRAQ™ family of I/O expansion designed for Relio industrial computers. The 4-20 mA signal standard remains a popular method for signal transmission in harsh environments, even over long distance. Current loop has a low sensitivity to electrical noise and is not affected by signal loss over cable runs or interconnections. Offering eight 4-20 mA transmitter channels, the 6520 board is perfect for controlling a wide variety of industrial process control and test equipment that use 4-20 mA signaling.

The 6520 provides 1500 VAC field-to-logic and channel-to-channel isolation to prevent ground loops in measurement systems and protect the host computer from harmful voltage spikes and surges. Field wiring connects to the boards using 20-position, removable, high-retention Phoenix terminal blocks compatible with 16-30 AWG wire. The board 4-20 mA transmitter is loop powered and compatible with 18-32 VDC.

Sealevel's SeaMAX software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems. The 6520 is available immediately from stock priced at $469. Standard operating temperature range is 0 - +70°C, and like all Sealevel I/O products, the 6520 is backed by free technical support and a lifetime warranty.


ABOUT SEALEVEL SYSTEMS, INC.

Sealevel Systems, founded in 1986, provides industrial computing solutions in addition to a variety of communications and I/O products including PCI Express and PCI Bus cards, Ethernet serial servers, and USB serial adapters. The product line includes multi-port RS-232, RS-422/485, RS-232/422/485 multi-interface high-speed sync/async, and digital/relay I/O. For more information visit www.sealevel.com or call 864-843-4343.

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