KROHNE Summit 8800 Vol 3 - Manual (Page 129)

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08/2013 - MA SUMMIT 8800 Vol3 R02 en
SUMMIT 8800 COMMUNICATION 08
Figure 174 Modbus master GC device settings
With as parameters (depending on a GC, parameters may not be needed):
Chromatograph configuration Choose which of the two GC’s is configured: GC A or B.
Chromatograph ID The modbus identifier for the GC
Read interval Select how often the GC data has to be read
Delay A delay between two reads. Prevents GC to be bombarded when in
continuous
FC stream 1 Select the first GC stream (1..9) to be used
FC stream 2 Select the second GC stream (1..9) to be used
Use hardware status Verify the hardware status to create a Summit alarm
Use software status Verify the software status to create a Summit alarm
Use GC stream Use the GC stream to determine for what Summit stream the results
must be used
Alarms Use the GC alarms as alarms or warnings (Encal 3000 only)
The component setting at the right hand side handle the gas component split. GC’s have a lim-
ited set of components that can be measured, all rest is grouped to one heavy component Cx+.
E.g. C6+ is the grouped heavy component for a GC that measures the first 6 components.
In the Summit this grouped heavy component can be assigned to other components to get the
best measurement result: