Mitsubishi Electric MELSEC iQ-R User Manual page 63

Operation of a BACnet module
■ Operation at startup
At the startup of a BACnet module, the module writes values, which are saved in the internal memory before powering OFF
(or resetting) the module, to the STATUS in the buffer memory.
■ Cyclic operation
A BACnet module periodically
internal memory.
*1 For the reading cycle, refer to the following section.
Page 264 Loading buffer memory
START
Read the CONTROL
Set the OutOfService property
*1
OutOfServicie=1
NO
Reliability=0
YES
Set the read value to
the PresentValue property
Set NoFaultDetected to the
Reliability property
END
*1 When '1' is set to "OutOfServiceControl" in [Settings]  [Basic Information]  [BACnet Detail Setting] button  "Interface", the value of an OutOfService
property is stored. (Page 281 Interface)
■ Another operation
When the value of any of the following properties is changed, a BACnet module writes the changed value to the STATUS in
the buffer memory.
• EventEnable property
• StatusFlags property
• EventState property
• AckedTransitions property
*1
reads a CONTROL in the buffer memory and applies the following processing result to the
YES
NO
Set the read value to
the Reliability property
1 FUNCTIONS
1.1 BACnet Object Function
1
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