User`s manual

Chapter 4 Serial Communications AX2200/AX2300 Instruction Manual
4-36 CM2-AX2000-2001 (Rev. 4, 4/2014)
5. AcronymsandDefinitions
Item Description
APDU Application Protocol Data Unit
BACnet Building Automation and Control Network- Data
communication protocol
MS/TP Master-Slave Token passing(a twisted pair RS485 network
created by BACnet)
BIBB BACnet Interoperability Building Block (Specific
individual function blocks for data exchange between
interoperable devices).
BV Binary Value
BI Binary Input
AI Analog Input
RP Read Property
WP Write Property
RPM Read Property Multiple
WPM Write Property Multiple.
DDB Dynamic Device Binding
DOB Dynamic Object Binding
DCC Device communication Control