Function CS104_Connection_sendReadCommand 

pub unsafe extern "C" fn CS104_Connection_sendReadCommand(
    self_: CS104_Connection,
    ca: c_int,
    ioa: c_int,
) -> bool

Sends a read command (C_RD_NA_1 typeID: 102)

This will send a read command C_RC_NA_1 (102) to the slave/outstation. The COT is always REQUEST (5). It is used to implement the cyclical polling of data application function.

Arguments

• ca - Common address of the slave/server
• ioa - Information object address of the data point to read

Returns

true if message was sent, false otherwise