Option Adapters

Front Panel Components, Continued

Modbus Plus

The two rotary switches on the Option Adapter are used to set a Modbus Plus node

Address

address for the CPU module. The switches are shown in the following illustration.

Switches

Their usage is described in detail in Modbus Plus Addresses on page 198.

 

The switches in this illustration are set to address 14.

Modbus Plus This Option Adapter has two Modbus Plus ports. Redundant cabling on the

Ports A and B Modbus Plus network offers increased protection against cable faults or excessive noise bursts on either one of the two cable paths. When one of the channels experiences communication problems, error-free messaging can continue to be processed on the alternate path.

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Schneider Electric Processor Adapter manual Modbus Plus