19
Fig. 6.8
Modbus Host Settings
Configure the Number of Additional Addresses for the number of FCUs supported by the Master Station or the range of FCU addresses in
use. The table below advises what value to set depending on the Master Station FCU count. FCU count is shown on the Master Station test
certificate.
Master Station total FCU count Setting for Number of Additional Addresses
60 0
120 1
180 2
240 3
Host Ethernet Database Format should be configured to match the database type in use. The database used for serial communication is
configured within the Host Serial interface settings.
Master Station Modbus Register Source should be set to All AIM if there are multiple field network AIMs installed. If a single field network
AIM is installed, select the appropriate AIM number. The test certificate will detail the location of the installed AIMs. AIM 1 refers to AIM
slot 1, AIM 2 refers to AIM slot 2, AIM 3 refers to AIM slot 3 and AIM 4 refers to AIM slot 4. Refer to section 2 for slot locations.
Modbus TCP Side A and Modbus TCP Side B should be enabled if using Modbus TCP.
6. Basic Commissioning continued
A4 US
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