Terms - Mitsubishi Electric MELSEC iQ-R Series User Manual

TERMS

Unless otherwise specified, this manual uses the following terms.
Term
BACnet
BACnet controller
BACnet device
BACnet module
BACnet workstation
COV
Data block
DeviceInstanceNo
Engineering tool
Event
Instance number
Join
Leave
Object
Object type number
ObjectIdentifier
ObjectType
PresentValue
Priority
Property
PropertyIdentifier
RJ71BAC96
Service
Description
A communication standard for building automation and control network established by ASHRAE (American Society of
Heating, Refrigerating and Air-Conditioning Engineers) in 1995.
This indicates a system configured with BACnet.
A controller which provides input/output information of a BACnet system as a lower-level structure of the BACnet
system.
A device connected to a BACnet system.
An abbreviation for MELSEC iQ-R series BACnet module.
A central monitoring device which controls and monitors the state of a BACnet system as the upper-level structure of the
BACnet system.
An abbreviation for 'Change Of Value'.
A BACnet service which notifies the change of a PresentValue or a StatusFlags to a BACnet device at the timing of the
change.
An area which is to be assigned to buffer memory to read/write property values or to receive data in a BACnet device
from a BACnet module.
An instance number of a BACnet device.
An instance number is assigned to each BACnet device to identify each BACnet device.
A tool for setting, programming, debugging, and maintaining programmable controllers.
For the supported tools, refer to the following manual.
MELSEC iQ-R Module Configuration Manual
A communication specification defined in the BACnet standard.
A number is assigned for each BACnet device and object type. With this number, BACnet services can be shared in a
BACnet system.
To notify the existence of the BACnet controller itself to a BACnet workstation and other BACnet controllers, and to join
a BACnet system.
A method to join BACnet and its procedure varies depending on the BACnet standard.
To leave the BACnet system.
Information related to input/output or internal status in a BACnet device.
This indicates a BACnet object.
A number that is assigned to an ObjectType.
An identifier of each object that consists of an object type and its instance number.
A type of a BACnet object.
A property that indicates a current value. This property is a main property that handles input/output values which are
related to each object.
A property that indicates priority.
Detail information and the attribute of each object.
An object is configured with various properties. The status of a property may affects other properties, and consequently
a control status is changed.
An identifier that distinguishes the type of a property.
An abbreviation for RJ71BAC96 BACnet module.
A function to share information between a BACnet device and external BACnet devices.
This indicates BACnet services.
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