ECOM4 interface

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ECOM4 interface - интерфейс ECOM4 ???

The protocol provides for one master and up to 247 slaves on a common line. Although the protocol supports up to 247 slaves, device restrictions on the ECOM4 interface limit the number of slaves to a number of 16. Each slave is assigned a fixed unique device address in the range of 1 to 247.
Only the master initiates a transaction. Transactions are either a query/response type (only a single slave is addressed) or a broadcast/no-response type (all slaves are addressed). A transaction comprises a single query and single response frame or a single broadcast frame.
NOTE:
Broadcast is not supported by the ECOM4 interface

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