IMPORTANT NOTE: The SET VALUE box will not display the current contents of the given Modbus
address. The SET VALUE will be written to the internal register. If the PGC5000 overwrites the
values prior to the Modbus poll request, the value may not be seen by the Modbus Master.
Users are also able to change the ranges of any given Stream tag address. The LOW and HIGH range
value for the Modbus map can be changed at any given time. To change the range, simply input a
new range value into the LOW or HIGH box (see Figure 4-54).
Figure 4-54: Streams tab low/high ranges
4.7.4 Subscriber tab configuration
Before the analyzer can communicate externally with a MODBUS client, OPC Server or STAR server,
the Master Controller must have a valid IP address entry in its Subscriber tab. This allows
transmission of data to the Communication Gateway and the OPC Server program. The analyzer is
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