The GL10/GR10 series expansion modules include distributed and centralized types, covering digital I/O modules, analog I/O modules, temperature modules, CAN/EtherCAT communication modules, remote high-speed count modules, remote pulse positioning modules, probe modules, and EtherCAT slave branching units. They are compatible with Inovance H3U, AM400, and AM600 series PLCs, meeting diverse application needs.