10
BAS-SVX40K-EN
• Tracer® UC600 programmable controller
• BCI-I/BCI2-I: BACnet Communications Interface for IntelliPak™ systems
Notes:
– While BCI-I/BCI2-I is compatible with WCS-SB and WCS-SD sensors, it does not
support WCS-SO or WCS-SCO
2
.
– BCI/BCI2 does not support WCS-SB/R refrigeration and freezer monitoring sensors.
• BCI-R/BCI2-R: BACnet Communications Interface for ReliaTel™ systems
Note: It is not possible to create any points or references on BCI-I/BCI2-I/BCI-R/BCI2-R. See “BCI/
BCI2 Point and Reference Limitations,” p. 91 for more information.
• Tracer® TU service tool
• Symbio™ 210/210e programmable controller
• Symbio™ 400/500 programmable controller
• Symbio™ 700 controller
• Symbio™ 800 programmable controller
Maximum Number of Air-Fi® Devices and Networks Allowed
There are limits to the number of devices in an Air-Fi® network. Following are some definitions and a
table describing the limit of the number of devices in an Air-Fi wireless network. The best practice is to
design the network well below these limits to provide room for future expansion as well as getting the
most efficient wireless performance.
Notes:
• The number of WCIs that can be installed at a site is determined by the applicable Tracer SC
license, which specifies the total number of controllers.
• For instructions on installing a WCI on a Tracer SC, see “WCI Installation,” p. 25.
• Always consider leaving room on the network for additional WCIs or WCSs for future
expansion.
• Generally, about 20 WCIs on a network is the optimum number to achieve an adequately
dense mesh network for multiple communication paths as well as the fastest communication
speed with minimum hops.
Terms:
• Router— A WCI wired to a UC controller
• Repeater— A WCI that is stand alone. Its only job is to pass on information received from other WCI
routers and sensors near it. It is set up with the same Group and Network number as the rest of the
network, but it is not wired to a UC controller.
• Coordinator— A WCI coordinator establishes the Zigbee®
1
mesh network with surrounding WCI
routers. Most of the time this will be the WCI that is wired to the Tracer SC+. However, there are
instances where the network is formed without the Tracer SC+. In this case the Coordinator is wired
to a UC controller.
• Devices— WCI Routers, WCI Coordinators, WCI Repeaters, and WCS Sensors
• WCS— Wireless Communicating Sensor (WCS-SB, WCS-SD, WCS-SO, WCS-SB/R, and WCS-
SCO
2
)
• SC—Can be either Tracer SC or SC+
Overview
1.
ZigBee is a registered trademark of the ZigBee Alliance.
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