Posted in | Gas Analyzer

2.4 GHz Transceivers for Wireless Gas Detection Systems – The SmartWireless® RXT-300/320

Series RXT-300 and 320 SmartWireless® transceivers are suitable for transmitting signal data in a wide range of industrial detection and alarm system applications.

Both transceivers operate at a universally accepted frequency of 2.4 GHZ and can transmit signal data from 4-20 mA DC or serial MODBUS inputs. Wireless installations eliminate the cost of point-to-point wiring and can be as simple as a single field device communicating with a controller, or as complex as 32 field device nodes forming a seamless network with a controller, remote display, and audio/visual alarm stations.

Sixteen nodes can be installed in close proximity to one another creating a plant wide network of up to 512 field devices. Direct sequence spread spectrum wireless mesh technology is used to enable wireless network integrity, security, and reliability. Every device in the network can function as a router and repeater for all other devices in the network.

This implies that subscribers can “hop” through neighboring devices to communicate with each other, thus widening network access points. This innovative technology enables a robust network that automatically routes around congestion and RF line-of-sight obstacles. Throughput improves as device density increases.

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While the Model RXT-320 transceiver encompasses all these advanced mesh-networking capabilities, the Model RXT-300 is designed with an additional and unique innovation in self-healing mesh networking. Unlike conventional mesh networks, the Model RXT-300’s processing power is shared among all network devices.

The RXT-300 can automatically select another transceiver in the network to take over as the master device, should the designated master transceiver fail. Resultantly, the RXT-300 does not depend on a single controller to maintain network operation. This feature considerably improves the redundancy and overall safety level of the wireless system.

Key Features

The key features of the SmartWireless Transceiver are:

  • Network wide control processing capability
  • Low power requirement
  • 1-2km line-of-sight features
  • Universally range (with external directional antenna)
  • Robust mesh network topology
  • Network capacity up to 32 devices
  • Flexible i/o options.

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