75 lines
2.8 KiB
ReStructuredText
75 lines
2.8 KiB
ReStructuredText
.. _safety_flags:
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Safety Flags
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============
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The safety flags are represented in software by the following enums
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.. doxygenenum:: safety_flag
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The safety flags can be temporarily or permanent. Some temporary flags are reset automatically, once the error condition disappears. Others have to be explicitly cleared.
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----------------------------------------------------------------------------------------------------------------------------------
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.. _safety_flags_adc_overflow:
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ERR_FLAG_MEAS_ADC_OVERFLOW
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--------------------------
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``ERR_FLAG_MEAS_ADC_OVERFLOW`` is triggered in case of an overflow in the signal path of the measurement ADC. This should never happen unless there is a bug in the software.
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========== ============= ============= ===========
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persistent self-clearing Stops PID Panic Mode
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========== ============= ============= ===========
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yes no yes no
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========== ============= ============= ===========
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----------------------------------------------------------------------------------------------------------------------------------
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.. _safety_flags_adc_off:
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ERR_FLAG_MEAS_ADC_OFF
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---------------------
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``ERR_FLAG_MEAS_ADC_OFF`` signals that the measurement ADC for the PT1000 sensor is deactivated. This flag is automatically cleared by the firmware
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once the ADC is started.
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========== ============= ============= ===========
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persistent self-clearing Stops PID Panic Mode
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========== ============= ============= ===========
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no yes yes no
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========== ============= ============= ===========
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----------------------------------------------------------------------------------------------------------------------------------
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.. _safety_flags_adc_watchdog:
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ERR_FLAG_MEAS_ADC_WATCHDOG
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--------------------------
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``ERR_FLAG_MEAS_ADC_WATCHDOG`` is used as a wire break detection mechanism. This flag is set when the PT1000 measurement ADC detects an invalid resistance measurement.
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.. seealso:: :ref:`ADC Watchdog<firmware_meas_adc_watchdog>`
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========== ============= ============= ===========
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persistent self-clearing Stops PID Panic Mode
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========== ============= ============= ===========
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no no yes no
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========== ============= ============= ===========
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----------------------------------------------------------------------------------------------------------------------------------
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.. _safety_flags_adc_unstable:
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ERR_FLAG_MEAS_ADC_UNSTABLE
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--------------------------
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``ERR_FLAG_MEAS_ADC_UNSTABLE`` is set after startup of the PT1000 measuremnt or after reconfiguring the filter settings.
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.. seealso:: :ref:`firmware_meas_adc_filter`
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========== ============= ============= ===========
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persistent self-clearing Stops PID Panic Mode
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========== ============= ============= ===========
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no yes no no
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========== ============= ============= =========== |