Relay – PW20 – M-Bus Level Converter / Master Interface (up to 20 slaves)

The PW20 from Relay GmbH is an M-Bus level converter / master interface designed to connect and manage up to 20 slave devices on an M-Bus network. It includes an integrated RS-232 interface and optional optical interface for communication with PCs or handheld devices. It is widely used for metering systems and building automation.