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Application Manual CDA3000
5 Software functions
Since the CDA3000 inverter modules can only communicate via the serial
RS232 service interface, the interface variant “RS485toRS232” should
be selected.
A RS232 interface is only suitable for connection of one terminal device.
Note: To attain greater interference immunity of the bus system, all
the interface cables must be shielded. The shield should be
connected centrally on one end to a grounding lead (PE).
The bus system should be terminated at the first and last
T-couplers on the bus by way of jumpers.
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