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Series
5.5 BACnet Module(AXM-BACnet)
5.5.1 BACnet Overview
The Building Automation and Control Network (BACnet), described in the
ANSI/ASHRAE Standard 135-1995, is one of the most widely used building
management systems protocols.
BACnet was designed to allow communication of building automation
and control systems for applications such as heating, ventilating, and air-
conditioning control, lighting control, access control, and re detection systems
and their associated equipment. The BACnet protocol provides mechanisms for
computerized building automation devices to exchange information, regardless
of the particular building service they perform.
5.5.2 Introduction
The Acuvim II Series Power Meter has embedded BACnet IP communication, and
also has embedded BACnet MS/TP communication. It communicates in native
BACnet IP over Ethernet to seamlessly integrate with most building automation/
control systems, and communicating with the BACnet MS/TP via the RS485. The
Acuvim II Series Power Meter's BACnet IP and BACnet MS/TP has 56 predened
BACnet objects that let you track up to 56 measurements.
The Acuvim II Series Power Meter has native BACnet/IP that lets it act as a
BACnet server in any BACnet application. The Acuvim II Series Power Meter’s
BACnet IP also comes with a Web interface that is very easy to browse the
parameter data by using a standard browser.
5.5.3 About BACnet Protocol
BACnet operates in a client-server environment. A client machine sends a
service request (message) to a server machine; once the service is performed
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