Radio modem 2.4 G RS-232/RS-485/RS-422 ICP DAS tRFU-2400

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tRFU-2400 CR 2.4 G RS-232/RS-485/RS-422 Wireless Modem (RoHS)

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Radio modem 2.4 G RS-232/RS-485/RS-422 ICP DAS tRFU-2400

Features

  • ISM 2.4 GHz Operating Frequency

  • Direct Sequence Spread Spectrum (DSSS) RF technology

  • RS-232/RS-485/RS-422 Interface Supported

  • Half-duplex communication up to 115200 bps

  • Full-duplex communication up to 57600 bps

  • Fully External Switch for the Hardware Confi guration

  • Surge and ESD Protection

  • DIN-Rail Mountable

Introduction

The tRFU-2400 is a 2.4 GHz radio frequency modem that provides RS-232, RS-485 and RS-422 port interfaces. The tRFU-2400 is designed to act as a wireless bridge to convert signals between serial and wireless formats, and is great for applications when the physical wire deployment is inconvenient. The tRFU-2400 makes it easy to build a low-cost data acquisition and control application between a host and a range of remote sensors via wireless communication.

The tRFU-2400 is a spread spectrum radio frequency (RF) modem based on the IEEE 802.15.4 standard. The IEEE 802.15.4 standard is operating on the ISM bands which uses a transmission frequency range between 2405 and 2480 MHz. A total of 16 channels are available and each with a channel separation of 5 MHz. Two operating modes are also supported, including Peer-to-Peer (P2P) mode, which allows full-duplex communication, and Broadcast mode, which allows half-duplex functionality in multi-point communication.

Application

Specification

Wireless

Wireless

Modulation

OQPSK (Offset Quadrature Phase-shift Keying)

Spread Spectrum

DSSS (Direct-Sequence Spread Spectrum)

Channels

16

Sensitivity

-97 dBm

Transmission Power

11 dBm (Default)
17 dBm (Max.)

Antenna

3 dBi PCB Antenna

Transmission Range

180 m (Typical)

Hardware

COM0

COM 0

RS-232

TxD, RxD and GND

RS-485

DATA+, DATA-; Internal ASIC Self-tuner; Non-isolated

RS-422

TxD+, TxD-, RxD+, RxD

Baud Rate

Full-duplex

2400 to 57600 bps

Half-duplex

2400 to 115200 bps

Data Format

N81, O81, E81, N82

Buffer

2560 Bytes

LED Indicators

Green

Rx/Tx

Yellow

Power State

Power

EMS Protection

ESD, Surge, EFT and Hi-Pot

Required Supply Voltage

+10 VDC ~ +30 VDC

Power Consumption

0.4 W (Max.)

Mechanical

Casing

Plastic

Flammability

UL 94V-0 materials

Dimensions (L x W x H)

52 mm x 95 mm x 27 mm

Installation

DIN-Rail

Environment

Operating Temperature

-25 to +75°C

Storage Temperature

-40 to +80°C

Relative Humidity

0 to 90% RH, Non-condensing

Download

Manual

Data sheet

Software

Odering information

tRFU-2400 CR

2.4 G RS-232/RS-485/RS-422 Wireless Modem (RoHS)

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