CPU base units with on-board I/O and for up to 8 plug-in I/O modules
PCD2 processor unit with Ethernet TCP/IP, web and FTP server, file system, CPU with 1 MByte user program (RAM), 1x Ethernet TCP/IP (2x RJ45 switch), USB port for PG5, up to 1024 I/O, expandable with PCD2.Cxx0 or PCD3.Cxx0, 8 I/O module sockets, on-board I/O: 6 interrupt inputs, 2 outputs (PWM), clock (RTC), data protection 1-3 years, RS-232, RS-485 (115.2 kbit/s), Profi-S-Net/MPI, 3 sockets A1/A2/C for communication modules