Viconics VBZS Application Guide User Manual
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Document Outline
- 1.1. Viconics Part Number
- 1.2. Viconics Part Number
- Please refer to the following Viconics documents for detailed information and design guidelines on the BACnet zoning system version:
- As an example, a typical job layout system may feature 3 RTU controllers with 31 zones total. This would bring to total number of nodes (individual Com addresses) to 34. RTU 1 would have 10 zones under its command, RTU 2 would have 10 zones under its command and RTU 3 would have 11 zones under its command.
- 1A) Initial Design Considerations
- The system is fully scalable in terms of number of zone controllers and RTU controllers used on the same network layer (BACnet MS-TP or Wireless models).
- BACnet controller system overview:
- A BACnet MS-TP network segment is a single 22 gauge shielded network wire loop run between all devices communication connections that is no longer than 1200 meters (4000 feet). It is possible to install up a maximum of 64 nodes on a single network segment.
- To install more than 64 nodes or if the network wire loop is longer than 1200 meters (4000 feet), repeaters will be needed for proper communication. Please refer to the BACnet integration guide if repeaters are required. With the proper use of repeaters, the maximum number of nodes on a single BACnet MS-TP trunk can be extended to 128 nodes.
- Smallest System Supported
- Largest System Supported
- Number of Zones
- Number of RTUs
- Number of Zones
- Number of RTUs
- Single Segment of 64 nodes maximum
- 1 zone reporting to
- 1 RTU Minimum
- 63 zone reporting to
- 1 RTU Minimum
- 32 zone reporting to
- 32 RTU Maximum
- Single Network trunk of 128 nodes maximum
- 1 zone reporting to
- 1 RTU Minimum
- 126 zone reporting to
- 1 RTU Minimum
- 63 zone reporting to
- 63 RTU Maximum