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RCMB300-series_D00372_01_M_XXEN/06.2019
7.5 History
A maximum of 50 events can be stored. The events are sorted chronologically in such a
way that the most recent event is number 1 and the oldest event is number 50.
The history memory is buffered and is only updated by reading register 12000 so that
the sequence does not change during readout (due to a new history event).
The parameter "Overwrite history memory" (register: 16089) can be used to set
• whether the history memory fills to a maximum of 50 events and then has to be
cleared manually (register: 20004)
• whether the oldest event (number 50) is overwritten automatically (factory set-
ting).
1)
When register 12000 is read out, the entire history memory is updated.
This way, the data remains consistent.
2)
If no time has been set in register 16084:
time in s from the occurrence of the event to the readout of register 12000
If a time is set in register 16084: UNIX time of the event.
Register Property Format Description
Unit
Value
Comment
12000 RO UINT16 Event 1 measuring channel number
1)
12001 RO UINT32 Event 1 start
2)
12003 RO UINT32 Event 1 end
12005…12006 Reserved
12007 RO Float32 Event 1 min. value
12009 RO Float32 Event 1 max. value
12011 RO UINT16 Event 1 unit/test status
HiByte: Unit
LoByte: Test status
12012 RO UINT16 Event 1 alarm status min/max
HiByte: Min. value
LoByte: Max. value
12013 RO UINT16 Event 1 range min/max
12014 RO UINT16 Event 1 description
12015…12017 Reserved
12018…12035 RO Event 2
12036…12899 RO Event 3…50
12900…15999 Reserved
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