BK7520
The BK7520 is a bus coupler manufactured by Beckhoff. Part of the BK EtherCAT Bus Couplers series, it supports 64 bus terminals (255 with K-bus extension), processes 1,020 digital I/O and 254 analog I/O. Operating on 24 V DC with a 500 mA max input current, it offers 2/4/8/16 Mbaud adjustable rates over 1,000 μm plastic fiber optic. Configuration is via KS2000, with a K-bus supply of 1,750 mA and an operating temperature range of 0–55 °C.