ZFR1800 Series Wireless Field Bus System Technical Bulletin 9
ZFR1800 Series System Components
One ZFR1811 router is required per field controller. This pairing of a router and an
FAC, FEC, IOM or VMA16 field controller is a Wireless Enabled Field Controller
(WEFC).
A ZFR1800 Series system consists of:
• up to eight ZFR1810 Wireless Field Bus Coordinators per field bus
• up to 35 Wireless Enabled Field Controllers (WEFCs) per coordinator/
Personal Area Network (PAN)
• up to 100 WEFCs per field bus, depending on the network engine (32 with
NCE, 50 with NAE35)
• up to nine WRZ Sensors per WEFC
Note: Up to 100 total WEFC and WRZ Sensors per PAN
• additional ZFR1811 Wireless Field Bus Routers connected to MS-ZFRRPT-0
Repeater accessories, as required, acting as repeaters.
Note: Repeaters extend the wireless transmission distance of the BACnet data
communications, fill in any gaps within the wireless mesh network, and
provide multiple wireless data transmission pathways.
NAE and NCE
NAE35/45/55s and NCE25s (NxEs) are Web-enabled, Ethernet-based, supervisory
controllers that connect BAS networks to IP networks and the Web. NxEs provide
scheduling, alarm and event management, trending, energy management, data
exchange, dial-out capability, and password protection. With a computer running
Microsoft® Internet Explorer® Version 6.0 (or later), you can browse to a
configured NxE, and monitor and control BAS field devices in the Metasys Site
Management Portal on the NxE.
ZFR1810 Coordinator
A ZFR1810 Wireless Field Bus Coordinator provides a wireless interface between
an NAE35/45/55 or NCE25 supervisory controller on a wired BACnet MS/TP
network and wireless-enabled Metasys BACnet FEC/IOM/VMA field controllers.
Each wireless mesh network requires one ZFR1810 Coordinator, which initiates
the formation of the network. Each field bus can support up to eight ZFR1810
Coordinators.
A ZFR1810 Coordinator can operate from either of two power sources:
• a 24 VAC, Class 2 power source
• 15 VDC power provided from the FC Bus jack on any Field Equipment or
Supervisory Controller that is connected directly to the FC Bus
The ZFR1810 Coordinator features a remote-mount antenna and cable to allow
transmission when the ZFR1810 Coordinator is mounted inside a metal panel.
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