Mitsubishi Electric MELSEC iQ-F Series User Manual page 86

BACnet communication Accumulator
■BACnet communication Accumulator (Un\G8520 to Un\G8591)
This buffer memory area is used for the Accumulator object.
Address
Un\G8520 to Un\G8531
Un\G8540 to Un\G8551
Un\G8560 to Un\G8571
Un\G8580 to Un\G8591
When the value of `Module READY` (Un\G34, b0) was changed from 0 to 1, the Accumulator object settings
are reflected. ( Page 55 Accumulator object setting)
The following table lists the buffer memory area format (BACnet communication Accumulator 1) of the Accumulator object.
Address Name
Un\G8520, Object ID
Un\G8521
Un\G8522, PresentValue
Un\G8523
Un\G8524 OutOfService
Un\G8525 Reliability
Un\G8526, Scale
Un\G8527
Un\G8528, MaxPresValue
Un\G8529
Un\G8530 Pulse setting value
Un\G8531 Units
*1 Stores the setting value of Accumulator object setting No.1.
*2 Previous pulse setting value = Current pulse setting value: 0 (Not reflected in the current value)
Previous pulse setting value < Current pulse setting value: Current pulse setting value - Previous pulse setting value
Previous pulse setting value > Current pulse setting value: 32768 - Previous pulse setting value + Current pulse setting value
APPX
84
Appendix 1 Buffer Memory
Description
BACnet communication Accumulator 1
BACnet communication Accumulator 2
BACnet communication Accumulator 3
BACnet communication Accumulator 4
Description
b0 to b9: Object type Stores the object type. (Fixed at 23)
b10 to b31: Instance Stores the instance number. (0 to 4194303)
number
Stores the integrated value (the current value of the pulse counter). (0 to
MaxPresValue)
b0: OutOfService Sets the value of the OutOfService property.
• ON: TRUE
• OFF: FALSE
b0 to b5: Reliability Stores the value of the Reliability property.
• 0: NoFaultDetected
• 1: NoSensor
• 2: OverRange
• 3: UnderRange
• 4: OpenLoop
• 5: ShortedLoop
• 6: NoOutput
• 7: UnreliableOther
• 8: ProcessError
• 9: MultiStateFault
• 10: ConfigurationError
Stores the value (in increments of 0.001) for scale conversion. (0 to
4294967295)
Sets the maximum value (maximum value of PresentValue) for counter reset. (0
to 4294967295)
Sets the value to calculate the difference value
(0 to 32767)
Stores the unit.
• 0: square-meters
• 1: square-feet
• 2: milliamperes
• 3: amperes
• 4: ohms
• 5: volts
• 6: kilovolts
• 7: megavolts
• 8: volt-amperes
• 9: kilovolt-amperes
• 10 to 65535: Unit other than the above
*1
*1
*1
*1
*2
to be reflected in PresentValue.