Introduction to SIMATIC PCS 7
This document provides a detailed description of the various architectures and components available within the SIMATIC PCS 7 process control system. SIMATIC PCS 7 is designed as a highly scalable system, offering numerous topologies that can be tailored to specific industrial needs. It supports advanced features such as redundancy, optional hardware, and software functionalities to ensure robust and efficient process control.
The guide is structured to assist users in selecting the most suitable configuration based on factors including:
- System size, determined by the number of users and input/output (I/O) points.
- Integration of optional modules like SIMATIC BATCH, SIMATIC Route Control, Asset Management, and Fieldbus solutions.
- Required levels of system availability and network topology preferences.
- Specific power supply concepts, particularly for DC 24V systems.
Siemens provides extensive documentation and support, including catalog information and PC configuration manuals, to aid in the implementation and optimization of PCS 7 systems. For the latest component information and detailed configuration guidance, please refer to the official Siemens support resources.
For more information on industrial security, visit Siemens Industrial Security.
Key Architectural Concepts
The SIMATIC PCS 7 system is presented with various architectural models, ranging from simple single-station setups suitable for smaller operations to complex client-server systems designed for large-scale industrial processes. Each architecture is illustrated with schematic diagrams and component lists to clarify system design and functionality.
Single Station
Ideal for smaller applications, the single-station architecture integrates both Engineering Station (ES) and Operator Station (OS) functionalities into a single PC. This cost-effective solution is often expanded with dual monitors for enhanced operational visibility.
Multi-User Systems
For systems requiring multiple operators, multi-user architectures are employed, allowing for distributed control and monitoring across several workstations.
Client-Server Systems
These advanced architectures utilize dedicated servers for managing system data and operations, with clients accessing information and control functions. Various client-server configurations are available, including those with multiple servers or specialized setups like those incorporating a PCS 7 Web Server or Terminal Server for remote access and data management.
System Selection Criteria
When selecting an architecture, key system criteria must be considered:
- Number of Inputs/Outputs (I/O): This includes digital and analog I/Os, as well as variables exchanged with external systems via various communication protocols (Modbus, PROFIBUS, PROFINET, Ethernet).
- Number of Users: The total number of operators, engineers, and other personnel who will interact with the system determines the required number of workstations and the overall system capacity.
SIMATIC PCS 7 is engineered for seamless scalability, ensuring that both hardware and software components can be expanded or upgraded without compromising existing functionality.
