Distributed Control System - DCS



The technology and applications of digital control systems have been progressing and evolving over the past four decades.

We have architecture modular platforms that connect automation activities and information that inherently are interdependent.
Completely focused on customer needs, these platforms provide a response to the challenges of production in factories and plants.
The advanced tools and the interaction with the user, serve the needs of people and organizations.

Our main customers, large industrial facilities, demand reliability and cost efficiency as well as a low risk and security relation with the supplier.

Distributed Control System - DCS

Control Network of DCS Systems



Valmet DNA system Network

Valmet DNA is a redundant Ethernet network, assembled in a Star or Ring topology.
 The system is starting automatically after the power failure without any need of manual assistance.
 The system contains a node called BU (Backup Server Unit) and this BU Server contains all applications for Windows nodes and also for Process Controller nodes.

When the system is starting the Windows nodes are booting using their local disk and the Process Controller nodes are loading the system software from the BU Server.
After that all nodes load their applications from the BU server and the system starts’ up.

Control Network of DCS Systems

Distributed I/O



Reliable and Flexible Field Options

• Valmet IO combines the best features of centralized and distributed I/O in one compact design
• Simplifies system design, cabinet assembly and commissioning
• Best performance and features
 fast controls down to 20 ms
 extensive diagnostics
 high accuracy of AI and AO
 1 ms sequence of events (SOE)
 hot swapping
 HART protocol
 G3 environmental specification
 operating temperature 0...+70 °C
• Connected via Ethernet to valmetACN controllers

Distributed I/O

Fieldbus Connections




Fieldbus Options

• One versatile process controller supporting IO and major field buses:
 Profibus DP/PA
 Feld Foundation
 AS-I bus
 HART protocol

• Which ever you choose, you have
 Uniform configuration for all field interfaces
 Extensive diagnostics
 Integrated field device configuration in DNAexplorer

Fieldbus Connections

If you have any questions about our solutions and products, please contact us!