ABB RBIP-01 User Manual

ABB RBIP-01 User Manual Manual pdf 10 page image

Introduction to this manual10Terms, abbreviations and acronyms used in this manualTerm or abbreviation DescriptionAPDU Application Layer Protocol Data Units are used in BACnet toconvey the information contained in the application serviceprimitives and associated parameters. BACnet APDUs consist ofprotocol control information and, possibly, user data. Thevariable portion of each APDU may contain service-specificinformation.BACnet Building Automation and Control networks is a registeredtrademark of American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE). For more information, seehttp://www.bacnet.org/.BACnet device Any device, real or virtual, that supports digital communicationusing the BACnet protocolBACnet device object The device object type defines a standardized object whoseproperties represent the externally visible characteristics of aBACnet device. Each BACnet device must have only one deviceobject that in practice identifies the device in the BACnetnetwork.BACnet device objectinstanceFor the description, see the Object Instance description insection Device submenu in chapter User interface.BACnet/Ethernet For the description, see section BACnet/IP vs. BACnet/Ethernetin chapter Overview.BACnet/IP (B/IP) A BACnet/IP network is a collection of one or more IPsubnetworks (IP domains) that are assigned a single BACnetnetwork number. For a comparison between BACnet/IP andBACnet/Ethernet, see section BACnet/IP vs. BACnet/Ethernet inchapter Overview.BACnet network number For the description, see section BACnet network numbers inchapter Overview.BACnet router For the description, see section BACnet routers in chapterOverview.BBMD BACnet/IP Broadcast Management DeviceEach IP subnetwork that is part of a B/IP network comprised oftwo or more subnets has one BBMD. Each BBMD possesses aBroadcast Distribution Table (BDT) which is the same in everyBBMD in a given B/IP network.For more information, see section BACnet/IP BroadcastManagement Device in chapter Overview.BDT Each BBMD posesses a Broadcast Distribution Table (BDT).BDT contains a list of external BBMDs to which the broadcastmessages are transported. For more information, see sectionBACnet/IP Broadcast Management Device in chapter Overviewand sections Global Options, Two-hop forwarding and BroadcastDistribution Table Entry in chapter User interface.B/IP See the BACnet/IP description in this table.