Time To Wait To Stabilize - Omron K7GE-MG User Manual

5-8

Time to Wait to Stabilize

Level Characters
Initial
stwt
Setting
Set the time for the measurement value to stabilize after the
Megger voltage is applied.
Due to the parasitic capacitance component between the load
including the wiring from the contactor and the ground, it may
take some time for the measurement value to reach its final
value after the Megger voltage is applied. To adopt the stable
final value as the measurement value, the measurement is
performed after the Time to Wait to Stabilize elapses.
As measurements are performed sequentially on each channel in the case of multiple channels, the
wait time for stabilization occurs for each channel.
As the Time to Wait to Stabilize setting parameter is a single value common for all channels, if the
stabilization time differs according to the load, determine the setting value from the load that requires
the longest time to stop.
Since some motor manufacturers recommend using a value of "1 minute" for Megohmmeter
measurements, the default value is set to 60 seconds for the K7GE-MG. In most cases, the default
value can be used. However, change the setting value according to the situation if stabilization takes
more time due to a long wiring run to the contactor, or conversely, if you want to shorten the
measurement time because the value stabilizes immediately.
The operation procedure for the Time to Wait to Stabilize setting parameter is shown as follows:
Procedure
1.
Press the Level Key for at least 3 seconds in the Operation
Level to move to the Initial Setting Level.
•
The LVL/CH display will indicate 0, and the LVL indicator will light
to show that the Initial Setting Level has been entered.
2.
Press the Mode Key several times to display stwt.
3.
Press the Shift Key to enter the monitoring state.
•
The setting value is displayed.
Insulation Resistance Monitoring Device User's Manual (N224)
Range of setting Default
values value
0 to 99 (s) 60
5 Using Setting Parameters
Description
Wait time for the measurement value to stabilize
after the Megger voltage is applied
Apply
Megger voltage
Measurement
value
Measurement
3 seconds
Stable
Time to wait
to stabilize
5
TRIG FIN
LVL
mxch
0
MANU ERR AGE
TRIG FIN
LVL
stwt
0
MANU ERR AGE
TRIG FIN
LVL
60
0
MANU ERR AGE
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