7EN02-0407-04

Monitoring power system insulation

The device monitors the ungrounded power system insulation in resistance in accordance with the following timing diagram which represents the default settings:

1 Network insulation is normal and no alarm on any channel.
2 An insulation fault occurred on channel 4. Active alarm is displayed on channel 4. Press button to acknowledge the alarm. See Relay Mode for more information on relay modes.
3 An insulation fault occurred on channel 4. Active alarm acknowledged.
4 The insulation fault is corrected. The alarm LED turns off. The device reverts to normal status.

QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

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