User Documentation
2053260000/05/201510
Planning
2 Planning
This chapter includes, among other things:
• Planning basics, requirements and planning guidelines
• Requirements for generic communication cable facilities
• Fire protection and surge protection
• Ethernet protocols
• Description of active Ethernet components
• Description of passive Ethernet components
2.1 Basic ideas on planning an Industrial Ethernet network
2.1.1 Data and control networks
First decide whether you are planning a data or a control network.
Data network:
• Large volume of data
• Open connection to the ofce network
• The transmission time is relatively non-critical.
• Typically, works with Standard Ethernet protocol (TCP/IP)
• Availability and redundancy are focused on the server.
Control network:
• Low volume of data
• Highly controlled restrictions for connection to the ofce network
• High real-time requirements
• Special network protocols (PROFINET, EtherNet/IP, Modbus/TCP …)
• Availability and redundancy are extremely critical at all levels of the network.