Basic Documentation

BACnet/IP networks
Designing BACnet/IP networks
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Summary
The following tables show how to depict all devices and network components in a midsized to large project.
Plant category Number of IP devices
PXC primary plants 3
DXR2/PXC3 individual room control & central functions 400
PXC00-E.D system controller, floor scope 4
DXR2 for central functions, building scope 2
PXC00-E.D system controller, building scope 1
PXG3.M for BBMD functionality 5
Reserves 5% 21
Amount 436
Network components Type Siemens Layer Managed No.
Edge switch on the floors XB-005 2 No 16
Distribution switch per floor XB-200 2 Yes 6
Core switch in the equipment rooms XM 400 3 Yes 1
Description Ground
floor
DXR2
2nd floor
DXR2
3rd floor
DXR2
4th floor
DXR2
BA Mgmt
DXR2
Primary
plants
System
level
Refrigerati
on
machines
BACnet
3rd
Sinteso
FS20
BMA
VLAN VLAN 01 VLAN 02 VLAN 03 VLAN 04 VLAN 05 VLAN 06 VLAN 07 VLAN 10 VLAN 11
UDP port BAC0 BAC0 BAC0 BAC0 BAC0 BAC0 BAC0 BAC0 BAC2
Subnet
mask
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
255.255.25
5.0
Default
gateway
192.168.11.
254
192.168.12.
254
192.168.13.
254
192.168.14.
254
192.168.15.
254
192.168.16.
254
192.168.17.
254
192.168.20.
254
192.168.21.
254
Engineering
notebook
XWP/ABT
192.168.11.
251
192.168.12.
251
192.168.13.
251
192.168.14.
251
192.168.15.
251
192.168.16.
251
192.168.17.
251
192.168.20.
251
192.168.21.
251
Number of
DXR2/PXC3
and PXC00-
E.D
101 101 101 101 3
Root
Bridge
ID = 0 Port Priority = Low Forwarding
Discarding
Bridge
ID = 4096
Network Management
Backbone