The following settings are reset to the factory setting among other things:
● Sensor calibration
●
DAC trim
● The defaults that you have configured in your order.
These defaults can then deviate from the ordered configuration. To restore the ordered
configuration, use the "Restore ordered configuration (Page 144)" parameter.
9.2.34 Overload behavior [36]
Defines the reaction of the device when the measuring range of the sensor is exceeded (at
overpressure or underpressure).
If the parameter is set to "Warning", the current output follows the pressure value up to the
configured saturation limits. If the parameter is set to "Alarm", the lower fault current
(≤ 3.55 mA) is output when the sensor is overloaded.
The parameter is only visible for devices with functional safety and is only effective if the device
is in the "Functional Safety enabled" device mode.
Setting range: WARN Warning
ALARM Alarm
Factory setting: ALARM or as specified in order
The selected parameter setting influences the safety characteristics (Page 162).
9.3 Parameter assignment over remote operation
9.3.1
Introduction
This section describes the most important parameters and functions that are available
additionally over remote operation:
● "Quick Start" wizard
● Identification (TAG)
● Simulation
● Customized characteristic curve
● Sensor calibration
● Digital-to-analog converter trim (DAC trim)
● Diagnostics functions
– Limit monitoring and event counter (not available on SITRANS P320)
– Trend log (not available on SITRANS P320)
– Operating hours counter
Parameter assignment
9.3 Parameter assignment over remote operation
SITRANS P320/P420 with 4 to 20 mA/HART
Operating Instructions, 11/2019, A5E44852162-AC 145
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