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Products Detail:
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ABB Processor Unit PM891K01 3BSE053241R1
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The PM891 processor is a monolithic unit equipped with power supply, CPU-boards and unit termination. The unit contains microprocessor and RAM memory, a real-time clock, LED indicators, INIT push button and a Secure Digital interface. The PM891 does not contain any internal battery The PM891 has two RJ45 Ethernet ports (CN1, CN2) for connection to the Control Network, and one RJ45 serial port (COM4). The COM4 port is isolated and used for a configuration tool. The PM891 supports CPU redundancy for higher availability (CPU, CEX-Bus, communication interfaces and S800 I/O).
The communication expansion bus (CEX-Bus) is mounted on the unit. The CEX-Bus is used for extending the on-board communication ports with communication interface units. It is possible to use redundant communication interfaces on the CEX-Bus. The CEX-Bus Interconnection unit BC810 is used to increase the availability on the CEX-Bus by dividing it into separate segments. The optical Modulebus of the unit can be used for connecting seven clusters of S800 I/O units (each comprising up to 12 units). Each PM891 is provided with a unique Ethernet address which provides hardware identity to the unit.
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Features and benefits:
Reliability and simple fault diagnosis procedures
Modularity, allowing for step-by-step expansion
IP20 Class protection without the requirement for enclosures
The controller has full EMC certification
High performance and large application memory
Sectioned CEX-Bus using a pair of BC810
Built-in redundant Ethernet Communication ports
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Article number
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3BSE053241R1 (PM891K01)
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Redundancy
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No
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High Integrity
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No
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Clock Frequency
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450 MHz
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Performance, 1000 boolean operations
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0.043 ms
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Performance
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0.043 ms
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Memory
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256 MB
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RAM available for application
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208.985 MB
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Flash memory for storage
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Yes
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sales7@amikon.cn 
86-18965423501 
86-18965423501
AMKPLC 
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