ABB AC800M 3BSE053240R1 PM891
The module is one of the core components of the System 800xA distributed control system, designed to meet the complex control requirements in the field of industrial automation 1. It contains a microprocessor and RAM memory, real-time clock, LED indicator light, INIT button and secure digital interface, equipped with power supply, CPU board and unit terminal, forming a single chip unit 13. In addition, the module also supports CPU redundancy for higher availability 3.
The AC800M 3BSE053240R1 PM891 module contains two RJ45 Ethernet ports (CN1, CN2) for connecting to the control network and one RJ45 serial port (COM4), where the COM4 port is isolated for configuring tool 3. The module also supports the Communication Expansion Bus (CEX-BUS), which is used to extend the onboard communication port through the communication interface unit, and can use redundant communication interface 3 on the CEX bus.
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