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ABB PM861K01 3BSE018105R1｜Processor Unit Kit｜
Communication Interfaces
The PM861K01 provides:
2 × RJ45 Ethernet ports (Control Network)
1 × RS-232 serial port (COM3) with modem support
1 × Isolated RS-232 service port (COM4)
CEX-Bus for communication interface modules
ModuleBus for direct connection to S800 I/O
With optional communication modules, it supports protocols including:
PROFIBUS DP
Modbus TCP
IEC 61850
FOUNDATION Fieldbus
PROFINET and other industrial Ethernet protocols
Redundancy
The PM861K01 supports high-availability applications through:
CPU redundancy
Redundant Ethernet communication
Redundant CEX-Bus
Redundant S800 I/O
Automatic controller switchover with minimal interruption
Typical Applications
The PM861K01 is widely used in:
Power generation
Oil & gas production and refining
Chemical and petrochemical plants
Pulp and paper mills
Water and wastewater treatment
Mining and metals
Pharmaceutical manufacturing
General industrial process automation
Typical Kit Contents
A standard PM861K01 Processor Unit Kit typically includes:
PM861 Processor Unit
TP830 Baseplate
TB850 CEX-Bus Terminator
TB807 ModuleBus Terminator
Power connector
Memory backup battery
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