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Device handbook SINEAX AM2000
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7.6.3 Temperature monitoring
Each (optional) temperature module provides
two channels
for temperature monitoring.
Used for Pt100 measurement
•
Up to 2 limit values
•
Short circuit and wire / sensor breakage monitoring
Used for PTC monitoring
•
Monitoring the PTC response temperature
•
Short circuit monitoring
Usage of the determined states
… Activating a
when an alarm limit is violated (Pt100) or the response temperature is
reached (PTC), a short-circuit or a wire / sensor breakage (Pt100) occurs
… as source for digital outputs
… Entry into the alarm list when any state change occurs
… the present temperature for Pt100 measurement can also be output via analog outputs
State of temperature monitoring in the instantaneous values menu, PTC on the left, Pt100 on the right
Meaning of the used symbols
Measurement in the normal range
Alarm limit 1 violated
Alarm limit 1 violated
Alarm 2: Configured limit for ON
Alarm 2: Configured limit for OFF
Alarm 1: Configured limit for ON
Alarm 1: Configured limit for OFF
Wire / sensor breakage detected
Short-circuit detected