BK3500
The BK3500 from Beckhoff supports 64 bus terminals and weighs 170 g. Part of the BK EtherCAT Bus Couplers series, it uses 24 VDC power and a 2.5× starting current. It accommodates 512 digital and 64 analog I/O signals and has three independent supplies.
Operates from 0°C to +55°C and stores from -25°C to +85°C. Connects via one fiber with two HP Simplex plugs. Features gold contacts and a startup self-test.