Mitsubishi Electric MELSEC iQ-R User Manual page 66

Buffer memory format of MultiStateOutput objects
The following shows the format of properties assigned to the buffer memory.
Additionally, the availability of reading from/writing to a CPU module is shown in the following table.
R: Read-only, W: Write-only, R/W: Read/Write
Offset Name
+0 CONTROL
+1 STATUS
+2 PresentValue
+3 FeedbackValue
1 FUNCTIONS
64
1.1 BACnet Object Function
b15 OutOfService

b14
b13 PVWrittenClear
b12 PVOut
b11 to b8 PVPriority
b7 to b4 
b3 to b0 Reliability

b15 to b14
b13 to b11 EventState
b10 AckedTransition
b9
b8
b7 PVWritten
b6 EventEnable
b5
b4
b3 StatusFlags
b2
b1
b0
b15 to b0 PresentValue
b15 to b0 FeedbackValue
Remarks
0: False, 1: True
• When '1' is set to "OutOfServiceControl" in [Settings]  [Basic
Information]  [BACnet Detail Setting] button  "Interface",
the value of an OutOfService property is stored.
Not used
• A PVWrittenClear and a PVOut operate when one value is
changed from '0' to '1' while the other value is '0'.
• When the value is '1', the PVWritten of the STATUS is
changed to '0'.
• A PVWrittenClear and a PVOut operate when one value is
changed from '0' to '1' while the other value is '0'.
• When a value is changed from '0' to '1', a PresentValue
property value is written to the PriorityArray whose index
number is 'PVPriority + 1'.
A Priority for writing to PresentValue property
(The value to which '1' is added is used for Priority.)
Not used
0: NoFaultDetected
1: NoSensor
2: OverRange
3: UnderRange
4: OpenLoop
5: ShortedLoop
6: NoOutput
7: UnreliableOther
8: ProcessError
9: MultiStateFault
10: ConfigurationError
Not used
0: Normal
1: Fault
2: Offnormal
3: HighLimit
4: LowLimit
5: LifeSafetyAlarm
ToOffnormal 0: False, 1: True
ToFault 0: False, 1: True
ToNormal 0: False, 1: True
• When the PresentValue property value is written, the value
becomes '1'.
• When changing the value to '0', always use the
PVWrittenClear of a CONTROL.
ToOffnormal 0: False, 1: True
ToFault 0: False, 1: True
ToNormal 0: False, 1: True
InAlarm 0: False, 1: True
Fault 0: False, 1: True
Overridden Always 0
OutOfService 0: False, 1: True
16-bit value
16-bit value
R/W
R/W
*1
R
R
R/W