ABB STUP-PM866 3BSE050200R1 Processor Module Exchange.The CPU board contains the microprocessor and RAM memory, a realtime clock, LED indicators, INITpush button, and a CompactFlash interface.The base plate of the PM866 / PM866A controller has two RJ45 Ethernet ports (CN1, CN2) for connection to the Control Network, and two RJ45 serial ports (COM3, COM4). One of the serial ports (COM3) is an RS-232C portwith modemcontrol signals,whereas the other port(COM4) is isolated and used for the connection of a configuration tool. The controller supports CPU redundancyfor higher availability(CPU, CEX-Bus, communication interfaces and S800 I/O).
Simple DIN rail attachment / detachment procedures, using the unique slide & lock mechanism. All base plates are providedwith a unique Ethernet address which provides every CPUwith a hardware identity. The address can be found on the Ethernet address label attached to the TP830 base plate.
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