6ES7211-1HD30-0XB0

Work memory 25 KB; 24VDC power supply with DI6 x 24VDC SINK/SOURCE, DQ4 x relay and AI2 on board; 3 high-speed counters (expandable with digital signal board) and 2 pulse outputs on board; signal board expands on-board I/O; up to 3 communication modules for serial communication; PROFINET interface for programming, HMI and PLC to PLC communication