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Wireless Transmitters

Wireless Transmitters
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Wireless Transmitters

Product catalog summary
Overview
The document provides technical specifications and applications for the RMT-1000 and RDT-4000 series of radio modems and transmitters. These devices are designed for wireless transmission of analog and digital signals in the 868 MHz band (915 MHz in the USA), suitable for industrial control applications requiring reliable and fast data transmission.

Specifications
  • RMT-1000 Radio Modem: Operates in half-duplex mode with selectable power transmission of 25 mW, 100 mW, or 500 mW. It supports communication over distances up to 5 km, depending on environmental conditions. The device includes an SMA connector for external antennas and supports RS-485, RS-232, or USB ports. It is IP65 rated for field mounting and can be powered by 85-265 Vac or 12/24 Vdc.
  • RDT-4000 Radio Transmitter: Designed for transmitting two analog variables, it supports various sensor inputs such as pH, ORP, EC, and more. It also features a relay output for control functions and is configurable via keyboard or radio link.

Communication Modes
  • Peer to Peer: Allows communication between two RS-485 serial buses in transparent mode.
  • Multipoint Repeater: Supports communication between multiple RS-485 networks, addressing up to 255 devices.
  • Multichannel: Enables several radio links to communicate on different channels within the same area without interference.

Applications
The devices are suitable for various industrial applications, including SCADA systems, remote monitoring of environmental conditions, and control of dispersed remote areas. Specific applications include water extraction supervision, vibration monitoring in machinery, and environmental monitoring in inaccessible places.

Key Features
  • Configurable from a PC using AT commands.
  • Field mounting with IP65 enclosure rating.
  • Support for multiple sensor inputs and data acquisition capabilities.
  • Function Blocks capability for internal programming.

Conclusion
The RMT-1000 and RDT-4000 series offer robust solutions for wireless communication in industrial settings, providing flexibility, reliability, and ease of integration with existing systems.
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Catalog excerpts

Wireless Transmitters-2

Half Duplex Radio-modem 868 Mhz (915 MHz in USA) The RMT-1000 radio-modem Series are devices dedi-cated to data transmission via radio in the unlicensed 868 MHz or 915 MHz (USA) band.They are used to communicate two or more devicesprovided with communication serial ports, in different modes: Point to Point, Multipoint or Multichannel be- tween dispersed remote areas eliminating commu- nication wire installation.Appropriated for industrial control applications requir-ing high reliability and speed wireless data transmis- sion between devices with RS-485 (or RS-232 / USB) serial ports. Selectable...

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Wireless Transmitters-3

RDT-4000 Series is provided with Func-tion Blocks capability for internal programming, lo- cally by RS-485 serial port and remotely via radio, using the LoopWin software from PC. 2 Pt100, mV, mA or (1) TC with CJC inputs The RDT-4000 Series are radio-transmitters operatingin the unlicensed 868 MHz band including an inte- grated circuit board for direct input signal and data acquisition with internal processing of field variables located in dispersed remote areas, within the trans- mission reach. Appropriated for wireless acquisition of analog variables in SCADA systems.The generic 1 pulse input...

 Open the catalog to page 3
Wireless Transmitters-4

RDT-4000/pH RDT-4000/ORP RDT-4000/EC RDT-4000/ECT RDT-4000/O2 RDT-4000/ESI > pH sensor input0.00 to 14.00 pHPt100 ATC input 0 to 100 ͺCSensor test functionSensor cleaning function1 relay output ORP sensor input-2000 mV to 2000 mVPt100 input 0 to 100 CSensor test functionSensor cleaning function1 relay output Two poles EC sensor input0 to 9.000 mS...20.00 mSPt100 ATC input 0 to 100 ںCSensor test functionSensor cleaning function1 relay output Inductive EC sensor input0 to 100 mS...2000 mSPt100 ATC input 0 to 100 CSensor test functionSensor cleaning function1 relay output Oxygen sensor input0 to...

 Open the catalog to page 4

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