Due to today's processor technology, the alarm outputs are application-related and thus eliminating the need for external hardware.
Configuration: Relative or Absolute
Here you can select whether the alarm is set relative to the setpoint (= relative) or as a fixed value (= absolute), ie independent of the setpoint.
Setpoint 130 °C Alarm Example of "relative": the alarm should trigger 20 ° C above the setpoint is reported from 150 ° C
Command value 270 ° C Alarm is reported from 290 ° C
Example of "absolute": alarm at 180 ° C
Command value 270 ° C, Alarm is reported from 180 ° C