ABB AC 800F - Installing a 10 Base2 Network (Cheapernet); 4.2.7.1 General; Fig. 4-10 Installing a 10 Base2 Network

4 Cabling the AC 800F
4-19
4.2.7 Installing a 10Base2 network (Cheapernet)
4.2.7.1 General
This section describes the installation of a single 10Base2 segment. When installing
several segments also refer to Sections 4.2.11 and 4.2.12.
Operation of a 10Base2 network requires that a 10Base2 module is plugged in slot E1
and/or E2
10Base2 segments are used under the following conditions:
Maximum segment length 185 m
Maximum number of nodes per segment 30
Minimum spacing 0.5 m
Fig. 4-10 Installing a 10Base2 network
Applications of 10Base2 segments:
• Installations within one building
• Small networks with few nodes
• Areas with low EMI
• Installations powered by a common low-voltage source
• Installations with low potential differences.