PLC RF Link Module, Modbus RTU protocol, PLC wireless communication

Introduction:

LS-R324 is a 1W radio modem, transmit 3km LOS. It supports UHF band, 24V power supply. Usually works as DTU to connect with PLC and other industrial control devices. LS-R324 Supports RS485 Modbus RTU protocol. Has the advantage of register data restore function.

Application:

· Water/waste water treatment field

· Wind speed, rainfall, humidity etc data collection

· Temperature, humidity, concentrations of CO2 etc data collection

· Wireless data collection and transmission

· Wireless communication between PLC and sensors

Parameter:

· Power output: 24V DC

· RF power: 1W

· Air baud rate: 1,200/2,400/4,800/9,600/19,200bps choose one

· Interface baud rate: 1,200/2,400/4,800/9,600/19,200bps programmable

· Frequency band: 433, 450, 470 or others

· Interface: Standard RS-232/RS-485/TTL/USB

· Communication mode: Half-duplex

· Channel: 8(default), 16/32(customized)

· Receive current:<45mA (TTL connect)

· Receive sensitivity: -123dBm @ 1,200bps); -118dBm @ 9,600bps)

· Transmitting current:<500mA

· RF line-of-sight range: 2km (BER=10-5@9600bps); 3km (BER=10-5 @ 1,200bps)

· Size: 175*115*32mm (without antenna port)

Pin Definition:

  Support RS232, RS485, USB, you can use DIP switch to program