Siemens PCS 7 Systems

Siemens PCS 7 Systems

Siemens’ SIMATIC PCS 7 system was introduced over ten years ago, and since then thousands of installations have been completed, worldwide. The Siemens PCS 7 system is more than a Distributed Control System. Its scalable architecture, powerful engineering tools, asset and alarm management, process safety and batch functionality, provide users with the ability to operate plants more cost effectively and efficiently through all stages of the lifecycle, from the system design and installation, through to the plant operation and maintenance.

“ITS and Siemens work in partnership to supply high quality DCS solutions on time and to meet the budget. This partnership approach combines market leading technology with proven engineering and project management skills thus resulting in customer satisfaction" Anthony Mayall, Siemens Automation and Drives.

As a Siemens solution partner, Industrial Technology Systems Ltd’s (ITS)  experience in the design and implementation of Siemens PCS 7 systems, includes the integration of Siemens PCS 7 Systems, Siemens PCS 7 F Systems and S7-FH failsafe high integrity controllers. ITS is currently designing and configuring a Siemens PCS 7 solution based on Siemens PCS 7 architecture for National Grid. The new control solution, will be fully dual redundant and consists of Fire & Gas, Station Protection and Station Control Systems. The solution includes two Siemens PCS 7 servers, three Siemens dual redundant PCS 7 controllers on a fault tolerant industrial ethernet network, two operator stations, dual redundant I/O and power supplies and an engineering workstation.

ITS is also experienced in the integration of Siemens Safety Instrumented Systems, including the unique cause and effect safety matrix tool. This tool enables users to assign effects to events which could occur during a process. The possible events are entered in the matrix table and then their type and quantity, logic operations, intolerable faults, and any delays and interlocks are configured. The outputs to a particular event are then defined. The user can view the safety matrix status using the PCS 7 operator station. The matrix is a simple-to-understand and intuitive tool which monitors safety during the production and processing cycles.

The advantages that the Siemens PCS 7 system offers are:

  • Minimises cost of ownership through the integration of all new and existing automation systems (process, discrete and safety), and devices (process, discrete and electrical) within a plant
  • Improves production and process performance through increases in system reliability and availability
  • Flexible and fully scalable solution from 100s to 100,000 of I/O points
  • Reductions in risk through the integration of safety and IT security

The Siemens PCS 7 system offers the following functionality and features:
Human Machine Interface (HMI)
Scalable and flexible system architectures based on Client-server
Redundancy for both real-time data and archives
Online modification / remote access via Internet / intranet
Smart alarm management
Full OPC support
Comprehensive security concept including virus scanning software

Controllers and I/O
Innovated powerful controllers with multiple scan rates down to 10 msec
Redundancy (controller, I/O module, field and plant bus)
Hot swapping (insertion and removal of modules during operation)
Extension/modification during operation
I/O modules for hazardous areas
Time stamping on the module level down to 1 msec
Common hardware platform for process safety
Easy integration of intelligent field devices/drives
Maintenance free pc-based controller for smaller applications
Innovated SIMATIC PCS 7 BOX for economic solutions for labs, pilot plants and process OEMs

Fast Ethernet and PROFIBUS DP/PA
Fibre optic switching technology
Online expandability
Interfaces to MODBUS, AS-i and FF
Wireless monitoring and operation with MOBIC

Central, system-wide high-performance engineering system
CAE/CAD connection/bulk engineering with import/export functions
Advanced process control functionality
Central parameterisation of intelligent field devices using the integrated SIMATIC PDM engineering tool
Software simulation and testing
Change Management (Version trail, change log, etc.)
Concurrent (multi-user) engineering capability
Support of major control languages (Ladder, Structured Text, CFC, SFC) with creation of user-specific function blocks

Asset Management
Central, system-wide visualisation, diagnostics and maintenance of all process control components including mechanical assets
Overview of the entire maintenance workflow
Complete traceability and documentation of status changes and maintenance orders
Condition and Plant Performance Monitoring

Tightly integrated into the engineering system and HMI
Unit-and equipment-independent recipes
Dynamic unit allocation
Hierarchical recipes according to ISA 88.01
Scalable from small to very large plants – single-user system or in client-server architecture
21 CFR Part 11, audit trail, access protection, electronic signature
Advanced batch reporting-package  

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