PLC Wireless Radio Modem

PLC Wireless Radio Modem

LS-R324 Wireless DTU PLC wireless controller 1W 24V power supply radio modem RS232, RS485 USB interface programmable

Introduction:

LS-R324 is a 1W radio modem, transmit 3km LOS. It supports UHF band, 24V power supply. Usually works as wireless 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: RS-232, RS-485 and USB

Communication mode: Half-duplex

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

Receive current: <45mA

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

About the LED indicator

a. When module is power on, POWER LED is always ON (red).

b. When module enter to set mode (DIP 8 ON), SET LED is always ON (red).

c. When module is transmitting,

if you use RS232 port, RS232 LED blinks (green) regularly.

if you use RS485 port, RS485 LED blinks (green) regularly.

if you use USB port, USB LED blinks (green) regularly.

d. When module is receiving, RF LED blinks (blue) regularly.

Our Products
Our diverse product portfolio includes:

Wireless I/O Controllers – 2DI2DO wireless RTU, 4DI4DO wireless RTU and 8DI8DO wireless RTU. They will help you realise remote ON-OFF control easily. 

Wireless Analog Controllers – 2AI, 4AI, 2AO and 4AO wireless analog RTU will help you collect 4-20mA or 0-5V signal to PLC/HMI in control room by wireless.

Wireless Irrigation Controllers – Smart, water-efficient solutions for agriculture and landscaping. Our customized irrigation controller is OK to control latching valve's ON-OFF automatcally.

Central Control Glow Sticks – Dynamic wireless control for stage performances and events.

Stage LED Wristband Wireless Control Systems – Interactive and synchronized lighting for immersive audience experiences.

Why Choose Us?
✔ Innovation-Driven – We continuously develop advanced wireless technologies to meet evolving industry demands.
✔ Reliable Performance – Our solutions ensure stable, long-range connectivity with low latency.
✔ Customizable Options – Tailored wireless control systems to fit your specific needs.
✔ Expert Support – Dedicated technical assistance to ensure seamless integration and operation.

At Lensen, we empower businesses and creatives with flexible, scalable, and user-friendly wireless control solutions. Whether for industrial automation, smart agriculture, or captivating stage productions, we provide the tools to bring your vision to life—wirelessly and effortlessly.