Description

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　　PM858K02  Other names:

Controller module PM858K02

PM858K02  analog module

Input/output controller module PM858K02

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The PM858K02  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 PM858K02  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 PM858K02  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 PM858K02  is provided with a unique Ethernet address which provides hardware identity to the unit.

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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