ABB AC 800M for Advant Master DCS, a modular DCS process controller in several CPU modules from low cost, medium power to high-power and full redundancy.
AC 800M is a modular process controller with a rich set of communication functions as well as full redundancy and support for a large range of I/O systems. Several fully compatible CPU modules vary in terms of processing power, memory size, and redundancy support - from low-cost, medium power to high-power, full redundancy.
Rail-mounted modules comprise CPUs, communication modules, power supply modules and accessories. Connectivity and expansion options make AC 800M exceptionally open and scalable; easy to connect and easy to adapt according to current control needs.
CPU and Control Network Redundancy
The AC 800M CPUs can be configured for CPU hardware redundancy. Here, two CPU
modules will run in parallel, one as primary and the other as secondary. If the primary CPU fails, the secondary CPU automatically takes over.
Network redundancy is based on the ABB RNRP (Redundant Network Routing Protocol). This protocol is designed for rapid detection of network failure and instant switching to alternative
paths. Network redundancy requires two independent IP networks, one primary and one secondary. Whenever the maximum number of lost messages is exceeded, the traffic switches to the secondary network.
Powerful control solutions and reusable libraries
AC 800M supports logical, mathematical and time-based data processing. The functionality range for control applications is wide, from binary control to closed loop control, with advanced functions like auto-tuning and adaptive PIDs, fuzzy control, etc.
Predefined process objects like motor objects, valve objects, etc. are available. It is possible to build user-defined function blocks and hide their content to protect intellectual
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18 янв 2021
