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About: Sensor Alarms | M4 software manual
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The interactive examples use simulated data. Enable JavaScript to practise these lessons.
Select a measurement to view its history and threshold. Click its status to pause or resume the rule. Use Edit rule to change its threshold and clearing margin. Use Windows to switch chapters or return Home.
Conveyor 01’s vibration has risen to 0.38 gn, above its 0.30 gn limit. Select its row and use the trend to see how it reached the threshold.
Add an alarm for Pump 01 → pressure. Choose At or below and set 3 bar. At 2.8 bar, the example reading will trigger the alarm as soon as you save.
Change Compressor’s temperature threshold from 45 to 50 °C and set Hysteresis to 2 °C. The graph shows the 50 °C trigger line, a separate clearing line at 48 °C, and the band between them. An active alarm clears only below 48 °C. At 46 °C, the example is clear after saving.
Conveyor 01 is stopping for maintenance. Click its vibration alarm status to pause evaluation without deleting the rule. Click Paused to resume it later.
Enable Teams notifications for Pump 01’s pressure alarm, including when it clears. Real delivery must be enabled in Integrations → Microsoft Teams. This simulation sends no messages.
Robot cell’s radio signal is back at −67 dBm after a brief dip. Remove its temporary −80 dBm signal-strength rule now that the coverage check is complete. Readings remain available.
