EM223 RS485 PLC Modbus RTU Slave Interface Module Controller

PLC Modbus RTU slave Interface Module

● IM261 is a MODBUS-RTU slave interface module, can be networking and distributed I/O application with MODBUS master system,

● Support MODBUS master system ( UN314, Siemens PLC, Scheider PLC, HMI)

● RS 485 communication baud rate from 9.6Kbs to 12Mbs adjusting automatically

● Max. supports 99 slaves connecting,

● Adopts Optoelectronic isolation and over-current protection on RS 485 end,

● With configuration/diagnosis function.

technical parameters

Voltage range	20.4-28.8V DC
Interface	1 RS485 port
Connecting protocol	Modbus-RTU
Station address setting	0 to 99(by knob switch)
Max. stations per period	32
Max. stations per net	126,Max. 99 EM261 stations
Baud rate	2400,4800,9600,19200,38400,57600,115200 bit/s
UN 200 modules No.	7
Cable length
< 93.75Kbps	1200 meters
187.5Kbps	1000 meters
500Kbps	400 meters
1-1.5Mbps	200 meters
3-12Mbps	100 meters
Dimension	71*80*62

Wiring Diagram

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.