Wireless Analog I/O Module Sensor's 4-20mA Signal Wireless Transmission to PC/PLC

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LS-RAI04 wireless analog acquisition module

LS-RAI04 Modbus RTU is a 1W I/O module, 4 analog inputs, 1 RS485 (wireless RS485 customizes). Wireless control 2km-3km. Use for sensor data wireless collection.

LS-RAO04 wireless analog acquisition module

LS-RAO04 Modbus RTU is a 1W I/O module, 2 analog outputs, 1 RS485 (wireless RS485 customizes). Wireless control 2km-3km. Use for sensor and PLC/HMI wireless communication.

Application area
Emergency Notification
Receive critical status updates by email, phone, cell phone, or PDA if equipment fails
Conveyor Control
Control a conveyor motor remotely
Remote Control Relay
Use dry contact inputs to control a remote relay.
Problem Notification
Save time in large facilities by activating an overhead notification light when a problem occurs, letting the supervisor know exactly where to go.
Dust Suppression
Use wireless I/O module to operate your dust
Data Logging
Wirelessly acquire and log various data from a remote location using our analog I/O module
Stacker Control
Start and stop your stacker/reclaimir. Connect PLC in control center with stacker and reclaimer.
Proximity Detection
Mount a transmitter with adjustable range on heavy equipment, mount a receiver in a “blind spot,” and then set up the receiver to sound an alarm or turn on a light whenever the equipment is operating in the area.
Chemical Level Monitoring
Monitor water chlorination or other chemicals remotely.
Traffic Signals
Avoid having to lay new wire by using wireless transmitters and receivers to control traffic signs such as “Railroad Crossing Ahead” when a train is present.
Grain Elevators
Our wireless transmitters and receivers can be used to monitor grain elevator conditions or control different functions. To collect RS485 data. To monitor temperature and humidity in Grain.
Freight Loading
Digital I/O module for crane control and analog I/O module to send the load information wirelessly to another location.

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.