Set for I/O Communication via Profibus DPV1 in IP67, A special software (function module) for integration in PLC systems is not required., User data, 8 byte per read/write cycle, Cable max. 50 m between interface and read/write head, 3 decimal rotary coding switches for the adjustment of the Profibus address, Maximum transmission rate to the fieldbus 12 Mbps, Two males M12 x 1, 5-pin reverse-keyed, for fieldbus connection, One male 7/8", 5-pin, for power 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 (HF/UHF) via BL ident M12 extension cables, Mixed operation of HF and UHF read/write heads