Fan Failure
If the input "FanFailCmdAlarm" detects an alarm (=1), the "PlantMode" will provide a value of “21”.
Depending on the setting of the parameter (ALM-02), the fan failure alarm reset will be done as follows:
- In case of manual reset, the value of “21” will be kept until
- the alarm condition has been solved "(FanFailCmdAlarm" input is false (= 0)) and
- the datapoint connected to the input Reset has been activated
- In case of automatic reset, the value of “21” will return to the normal actual code, as soon as the alarm condition has been solved ("FanFailCmdAlarm" input is false (= 0)).
Description
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Default
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ALM-02: reset type fan failure alarm
0 = manual
1 = automatic fan on
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1
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