Mitsubishi Electric MELSEC iQ-R - Page 89

1 FUNCTIONS
1.1 BACnet Object Function
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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 Remarks R/W
+0 CONTROL b15 OutOfService 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.
R/W
b14 to b4  Not used
b3 to b0 Reliability 0: NoFaultDetected
1: NoSensor
2: OverRange
3: UnderRange
4: OpenLoop
5: ShortedLoop
6: NoOutput
7: UnreliableOther
8: ProcessError
9: MultiStateFault
10: ConfigurationError
+1 STATUS b15 to b14  Not used R
b13 to b11 EventState 0: Normal
1: Fault
2: Offnormal
3: HighLimit
4: LowLimit
5: LifeSafetyAlarm
b10 AckedTransition ToOffnormal 0: False, 1: True
b9 ToFault 0: False, 1: True
b8 ToNormal 0: False, 1: True
b7  Not used
b6 EventEnable ToOffnormal 0: False, 1: True
b5 ToFault 0: False, 1: True
b4 ToNormal 0: False, 1: True
b3 StatusFlags InAlarm 0: False, 1: True
b2 Fault 0: False, 1: True
b1 Overridden Always 0
b0 OutOfService 0: False, 1: True
+2 PresentValue 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)
R/W
+3 Start_Time_Of_Monitoring 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)
R/W
+4 to +5 Contract_Receiving_Power The amount of electricity contracted with an electric company is
stored.
R/W
+6 to +7 Target_Value_Of_Power The amount of target electric power is stored. R/W
+8 to +9 Alarm_Value_Of_Power The amount of alarm electric power is stored. R/W
+10 to +11 Estimated_Power The estimated electric power consumption in a demand monitoring
cycle is stored.
R/W
+12 to +13 Adjust_Power The amount of adjusted electric power which are calculated from the
difference between an Estimated_Power and
Alarm_Value_Of_Power is stored.
R/W
+14 Elapsed_Time The elapsed time since demand monitoring was started is stored. R/W
+15 Time_Width_Of_WH_Trend A tendency interval is stored. R/W