9907-167 Distributed I/O for Fieldbus Architecture

9907-167

Technical Parameters：

  • High-performance CPU with 50Mb memory, fast scan time
  • Industry-leading 7 communications ports, including built-in local expansion and Ethernet remote I/O ports are standard on the CPU
  • USB Programming and USB Data Logging are resident on the CPU
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Description

9907-167 Distributed I/O for Fieldbus Architecture

The 9907-167 redundant system supports distributed I/O configurations based on a convertible fieldbus architecture. This is much easier to use than traditional dual and multiple redundancy architectures. Fault tolerance levels can be achieved by mixing and realising single, dual and triple redundancy in the same system depending on project requirements.

The 9907-167 has standard plug-and-play features such as synchronised variables, redundant I/O bus control, program peer testing, master CPU arbitration, automatic failover and advanced diagnostics. Benefits of the hot-swap redundancy software also include broad support for microcontrollers with a wide range of CPU capabilities, fault-tolerant I/O communications and automatic program download. In the event of a failover, the maximum synchronisation time error is <1ms.

The configuration program for the 9907-167 redundancy system has been integrated into the OpenPCS development environment. This tool enables CPU redundancy and provides the system with the required system communications and synchronisation. The software also has diagnostic functions for troubleshooting, such as synchronisation network failures, CPU configuration mismatches, I/O bus failures, missing I/O function blocks and analogue input trend monitoring.

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