ABB AC 800M, Hardware And Operation

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Appendix A Hardware Units PM856/PM860 and TP830 – Processor Unit
3BSE 027 941 R301 139
Appendix A Hardware Units
PM856/PM860 and TP830 – Processor Unit
Key Features
• MPC860 Microprocessor running at 48 MHz.
• 8 MB RAM with internal or external battery
back-up 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, 10 Base-T)
– COM3, serial port (RS232-C) with modem
support
– COM4, serial port (RS232-C) for service
tool
• Basic communication is extendable by using
additional communication interface units.
The data for PM856 is the same as for PM860 except for performance of application
program execution, see
Performance Data on page 144.