Mitsubishi Electric MELSEC iQ-R User Manual page 89

Buffer memory format of ElectricDemandMonitoring 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 b15
b14 to b4
b3 to b0
+1 STATUS b15 to b14
b13 to b11
b10
b9
b8
b7
b6
b5
b4
b3
b2
b1
b0
+2 PresentValue
+3 Start_Time_Of_Monitoring
+4 to +5 Contract_Receiving_Power
+6 to +7 Target_Value_Of_Power
+8 to +9 Alarm_Value_Of_Power
+10 to +11 Estimated_Power
+12 to +13 Adjust_Power
+14 Elapsed_Time
+15 Time_Width_Of_WH_Trend
OutOfService

Reliability

EventState
AckedTransition ToOffnormal
ToFault
ToNormal

EventEnable ToOffnormal
ToFault
ToNormal
StatusFlags InAlarm
Fault
Overridden
OutOfService
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
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
0: False, 1: True
0: False, 1: True
0: False, 1: True
Not used
0: False, 1: True
0: False, 1: True
0: False, 1: True
0: False, 1: True
0: False, 1: True
Always 0
0: False, 1: True
An alarm occurrence state is stored.
1: Recovery state (the value at the start of monitoring)
2: Level-one demand alarm occurred (target electric power
exceeded)
3: Level-two demand alarm occurred (alarm electric power
exceeded)
The time (hours and minutes) when the monitoring of electric power
was started is stored.
b15 to b8: Hours (0 to 23)
b7 to b0: Minutes (0 to 59)
The amount of electricity contracted with an electric company is
stored.
The amount of target electric power is stored.
The amount of alarm electric power is stored.
The estimated electric power consumption in a demand monitoring
cycle is stored.
The amount of adjusted electric power which are calculated from the
difference between an Estimated_Power and
Alarm_Value_Of_Power is stored.
The elapsed time since demand monitoring was started is stored.
A tendency interval is stored.
R/W
R/W
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1 FUNCTIONS
1.1 BACnet Object Function
1
87