Profibus-DPV1 Set in IP20, Cable max. 50 m between interface and read/write head, 2 decimal rotary coding switches for the adjustment of the Profibus address, Maximum transmission rate to the fieldbus 12 Mbps, Sub-D female, 9-pin, for fieldbus connection, Screw terminals for voltage supply, LEDs for display of supply voltage, group and bus errors as well as status and diagnostics, Connection of up to 4 read/write heads via BL ident extension cables, Mixed operation of HF and UHF read/write heads