Yokogawa AAI835-S00 Analog Input/Output Module

Yokogawa AAI835-S00 Analog Input/Output Module Brand NEW

Information

There is no single point of failure in Yokogawa’s FCS! The processor modules, power supplies, and I/O modules, including the communication bus, support a redundant configuration. The robustness of the FCS comes from this configuration known as “Pair and Spare” and the reliability of calculation results is guaranteed through real-time validation. Two processor modules have two MPUs each. MPU 1 and MPU 2 in the primary processor module are always comparing the calculation result, and if the results do not match, the first processor module goes into maintenance mode while the secondary processor module takes over process control. In order to make this switch over seamless, MPU 3 and MPU 4 are also calculating and comparing the results while the primary processor module is active. Pair and Spare is Yokogawa’s unique technology, supporting impressive levels of availability for CENTUM and ProSafe-RS. This architecture has been approved by TÜV Rheinland for safety instrumented systems. The ProSafe-RS certification was granted to Yokogawa in exceptionally short period of time, and it was due in-part to our Pair and Spare technology.

Brand introduction

Yokogawa Electric Group was founded in 1915 with its headquarter in Tokyo, Japan. 

It has 88 subsidiaries in 55 countries and regions. 

It is one of the world's most professional multinational companies in the industrial control industry. 

In 1975 the first developed the first set of epoch-making significance in the world of distributed control system (DCS system), the production process of petroleum, chemical and other large factories to run the measurement, monitoring and control, to the development of the industry and the progress of the society has made a great contribution, so far has successively launched seven generations CENTUM DCS series products, field instruments such as flow meter, transmitter, analyzer also received high praise by the user.

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