The 7EX484501 is a B&R POWERLINK bus controller module (EX484) for the System 2003 family, delivering four POWERLINK interfaces and a 24 VDC supply with electrical isolation. It occupies a single module slot and is built with an internal hub and four RJ45 connectors to interconnect POWERLINK devices. The module provides an I/O bus interface via a 9‑pin DSUB socket and includes a station number dial to configure its PowerLink network address; the TB704 terminal block is sold separately for field wiring. This EX484 controller enables centralized management of POWERLINK communications among connected I/O modules and devices in industrial automation applications.
