Mitsubishi Electric MELSEC iQ-R User Manual page 117

4.
Set the following properties.
PropertyI Property
D
126 BufferSize
132 LogDeviceObjectProperty
133 LogEnable(Enable)
134 LogInterval
142 StartTime
143 StopTime
144 StopWhenFull
197 Logging_Type
• To check log records
Click the [Show] button on the LogBuffer property of a TrendLog object to display log records.
• To check log records using another BACnet device
Send a ReadRange service in which a LogBuffer property is specified.
Description
Specify the number of records to be sampled.
Specify a logging target object and its property.
To start logging, select True.
To stop logging, select False.
Specify a logging cycle. (Unit: 10 milliseconds)
Specify a time to start logging.
Specify a time to stop logging.
Select whether to stop logging or continue logging by
overwriting old records when the number of records specified to
a BufferSize property is sampled by a LogBuffer property.
Select "Polled" when logging data with the cycle specified to the
LogInterval property.
Select "COV" when logging data at the timing of sending a COV
from a logging target object.
Remarks
To sample records every one minute for two
days, specify '2880'.


To perform logging every one minute, specify
'6000'.
When a time is not specified, data logging is
started immediately after the
LogEnable(Enable) property becomes True.
When a time is not specified, the timings to
stop logging are as follows:
• The LogEnable(Enable) property became
False.
• The number of logs exceeded the capacity
of the LogBuffer when the StopWhenFull
property is True.

Only ANSI/ASHRAE 2010 is supported.
1 FUNCTIONS
1.1 BACnet Object Function
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