Weidmuller QL Series Remote I/O Module
Emerged in response to the changing market landscape
Building on 175 years of technological expertise
Responding to market demands with comprehensive upgrades
Reshaping the industry benchmark

Establishing an industry benchmark with comprehensive upgrades
Locally optimized, superior performance
Based on the high-specification technical standards of the UR20 series, the module features algorithms and architecture optimized specifically for the complex electromagnetic environment in China, significantly improving anti-interference capabilities and signal processing performance. It precisely meets the stringent requirements of the domestic manufacturing industry for high precision and high reliability.
Dual-Protocol Compatibility, Seamless Integration
Supports mainstream protocols such as EtherCAT and PROFINET, ensuring strong compatibility. Over 200 rigorous tests (covering mainstream control systems such as Siemens, Omron, and Beckhoff) fully validate its stable operation in various environments, eliminating compatibility concerns.
Broad Coverage, Comprehensive Product Range
With nearly 20 models covering a wide range of industries, including new energy vehicles, semiconductors, logistics, energy, and process control, it accurately meets 95% of application needs, providing a one-stop solution for diverse scenarios. Whether measuring digital, analog, or temperature, we have the right module to easily handle a variety of industrial scenarios, including discrete control, signal acquisition, and professional temperature measurement.
Easy-to-use and stable, upgraded experience
The accompanying dedicated host software simplifies configuration, monitoring, and diagnostics. Its modular design and tool-free push-in wiring facilitate installation and maintenance. Enhanced anti-interference performance and stringent quality control ensure continuous and stable operation even in harsh conditions.

The Weidmuller QL20 series remote I/O offers a rich selection of modules to precisely match your diverse needs.
Post time: Aug-15-2025