Description
Wireless Freedom for Modbus Networks. No Cables Required.
W0202 Wireless Modbus Gateway is a compact and versatile gateway designed to eliminate the need for RS485 cabling by enabling wireless communication between Modbus RTU/ASCII devices. Acting as a bridge, it extends Modbus networks using wireless technology, making it ideal for retrofit projects and installations where cabling is difficult, costly, or impossible.
With its high-performance wireless transmission and support for multi-node communication, W0202 enables the creation of distributed “wireless islands” of Modbus devices, ensuring reliable data exchange across extended distances.
Designed for Retrofits. Built for Flexibility.
W0202 is specifically developed for system modernization and expansion. By using a pair of devices, it is possible to create a wireless RS485 bridge, seamlessly extending existing Modbus RTU/ASCII networks without structural changes to the building.
The module combines multiple roles in a single compact housing: wireless gateway, I/O module, and configurable controller. This makes it a powerful all-in-one solution for distributed automation applications in HVAC, lighting, and general building control.
Smart Control. Local Intelligence.
In addition to communication capabilities, W0202 includes onboard inputs and outputs that enable local control and monitoring. Built-in HVAC and lighting algorithms allow the device to operate as a standalone controller when required.
A mini USB port enables easy configuration and device powering without an external power supply, simplifying commissioning and testing directly on-site.
Key Features
Wireless Modbus RTU/ASCII bridge for eliminating RS485 cabling
Designed specifically for retrofit and hard-to-wire installations
Acts as a bridge between Modbus RTU/ASCII devices over wireless link
Radio interface 868 MHz frequency2 special inputs supporting multiple measurement types
Temperature input support (wide range of sensor types)Voltage (0–10 V), resistance (0–1000 kΩ), and current (0–20 mA) inputs
Dry contact input support
Fast pulse counter up to 100 Hz with EEPROM storage2 digital relay outputs (NO) up to 3 A at 230 V AC / 30 V DCInductive load support up to 75 VA (AC) / 30 W (DC)Built-in HVAC and lighting control algorithms for standalone operation
Mini USB port for configuration and power supply during setup
Free iSMA Configurator software support
Power supply: 24 V AC/DC ±20%Compact DIN rail housing for easy panel installation
Suitable for HVAC, lighting, and distributed building automation systems
