Manual Measurement - Omron K7GE-MG User Manual

4-2

Manual Measurement

K7GE-MG is basically used in automatic measurement in synchronization with the trigger signal. In
addition, K7GE-MG is also equipped with a manual measurement function which corresponds to a
Megohmmeter. Manual measurement does not require a trigger signal and can be started manually and
measured continuously. Therefore, it can be conveniently used at system startup and maintenance.
Differences from Automatic Measurement
The measurement operation during manual
measurement does not have multiple
measurement steps as in automatic
measurement, and sampling is continuously
performed right from the time monitoring is
started.
The differences from automatic measurement are
as follows:
Time of use
Measurement
operation
Measurement
steps
Alarm judgment
Alarm output
Average
processing of
measurement
values
Manual measurement does not have the discharge of electric charge step. Start the K7GE-MG when the electric charge
has been sufficiently discharged. If the K7GE-MG is started when some electric charge is remaining, measurement
cannot be performed correctly.
Alarm judgment is not performed during manual measurement. Also, all confirmed measurement values, alarm outputs,
etc. are cleared when manual measurement is started. Use it with caution.
The setting value of the Average Processing setting parameter is enabled even in manual
measurement. When you perform the Average Processing setting parameter on the measurement
values, the display refresh period is approximately 0.8 seconds or 6.4 seconds.
Refer to 5-9 Average Processing on page 5-19 for the operation method of the Average Processing
setting parameter.
Insulation Resistance Monitoring Device User's Manual (N224)
Automatic Manual
measurement measurement
Normal operation When starting the
system, during
maintenance
Synchronous with Continuous
the trigger signal monitoring
Motor stop None
standby/Discharge The measurement
of electric step indicator is
charge/Waiting for also not required
stability/Sampling
Yes No
Yes No
Supported Supported
4 Functions Related to Measurement
Automatic measurement
ON
Trigger
signal
Measurement
operation
Measurement
value

Manual measurement

Start
Manual measurement
Input value
Sampling
Measurement value
4
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