Product specifications
Appendix A Hardware Units PM866 and TP830 – Processor Unit
3BSE036351-510 A 263
PM866 and TP830 – Processor Unit
Key Features
• MPC866 Microprocessor running at 
133
 MHz.
•64 MB RAM with internal or external 
battery backup facility.
• 12 x S800 I/O units can be connected to 
the electrical ModuleBus.
• Four on-board communication ports:
– CN1 + CN2, Ethernet ports (IEEE 
802.3, 10BaseT) 
– COM3, serial port (RS-232C) with 
modem support
– COM4, serial port (RS-232C) for 
service tool
• Basic communication is extendable by 
using additional communication interface 
units.
• Redundancy Control Link, for use in 
redundancy configuration.
• Compact Flash interface which supports loading of application and cold retain 
data storage.










