77
Safety Manual
00809-0200-5100, Rev GB
Disabling the SIL High Alarm
February 2017
Disabling the SIL High Alarm
Appendix E Disabling the SIL High Alarm
The Disable SIL High Alarm function may be useful in dry-run applications when only SIL Low
Alarm Limit is needed.
Two options are available for disabling the SIL High Alarm:
Option “0” disables SIL High Alarm Limit. The alarm will still be triggered if the gauge
loses track of the product surface.
Option “1” may be used to avoid false alarms in case the gauge loses track of the
product surface for short periods of time.
Note
Make sure that the product surface is detected by the 5900 gauge prior to disabling the SIL High
Alarm.
Ensure that appropriate measures are taken to prevent overfill in case the SIL
High Alarm is disabled.
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