User Manual

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Table of Contents
1 Cyber security disclaimer .................................................................................................................... 5
2 About this document ............................................................................................................................ 6
3 Overview ............................................................................................................................................... 7
3.1 General ................................................................................................................................................................. 8
3.1.1 Functions in a building automation and control system ................................................................... 8
3.2 Networking Ethernet/IP networks .................................................................................................................. 12
3.2.1 Scalable Desigo system - System design ......................................................................................... 12
3.2.2 Zones on the IP network ..................................................................................................................... 12
3.3 Networking BACnet network ........................................................................................................................... 18
3.4 Merging BACnet/IP networks ......................................................................................................................... 20
4 BACnet/IP networks .......................................................................................................................... 24
4.1 Checklist for designing BACnet/IP networks ................................................................................................ 24
4.2 Designing BACnet/IP networks ...................................................................................................................... 26
4.2.1 Network for a small to mid-sized project ......................................................................................... 27
4.2.2 Network for mid-sized to large project structured with centralized primary plants ................... 32
4.3 BACnet referencing over different IP networks ............................................................................................ 44
4.4 Diagnostics and troubleshooting BACnet/IP networks ............................................................................... 45
5 BACnet networks with MS/TP trunks .............................................................................................. 46
5.1 Designing BACnet networks with MS/TP trunks ......................................................................................... 46
5.2 MS/TP cabling and topology ........................................................................................................................... 47
5.3 Checklist for designing BACnet networks with MS/TP trunks ................................................................... 48
5.4 Application examples ....................................................................................................................................... 50
5.4.1 Network for a small to mid-sized project ......................................................................................... 51
5.4.2 Network for mid-sized to large BACnet MS/TP project structured with centralized primary
plants.................................................................................................................................................. 57
5.5 Diagnostics and troubleshooting in BACnet networks with MS/TP trunks .............................................. 65
6 Product for network infrastructure ................................................................................................... 68
7 Glossary .............................................................................................................................................. 69