Omron K7GE-MG User Manual page 82

Insulation resistance monitoring device
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4 Functions Related to Measurement
(3) Measurement failed
Here, the operation when the loads of channel 1 and 2 restart
unintentionally during the measurement for channel 2 is
described. In such a case, the safety function activates, the
measurement operation of channel 2 stops, and the
measurement moves to the next channel 3.
The following parts operate simultaneously with the failure of
measurement.
• The countdown until the measurement completes for
channel 3 is displayed on the main display part
• ALM 1 output and ALM 2 output turn ON*
• The alarm output indicator is lit red*
• The ALM indicator of the CH2 Probe Unit is lit*
• The MEAS indicator of CH2 is not lit and the MEAS
indicator of CH3 is lit
* Since the measurement value of channel 2 cannot be identified when the
measurement fails, the measurement value is treated as 0 MΩ internally,
and alarm judgment is performed. Although channel 1 is restarted, the
measurement is already complete. Therefore, there is no change in the
alarm judgment and the measurement value.
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Insulation Resistance Monitoring Device User's Manual (N224)
MEAS
MEAS
MEAS
TRIG
FIN
LVL
--81
3
ALM
ALM
ALM
CH
MANU
ERR
AGE
CH1
CH2
CH3
ALM 2
ALM 1

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