High Speed Data Communication Library - Mitsubishi Electric MELSEC iQ-R Series User Manual

3.3

High Speed Data Communication Library

The following table shows the function list of High Speed Data Communication Library.
: Required, : Implement if needed, : Not required
Function
Connection function
Label list acquisition function
Streaming transfer label registration
function
Streaming transfer start function
Streaming transfer stop function
Streaming transfer notification function
State change notification function
Data read function
Data write function
*1
Re-transfer start function
*1 Can be used when connecting to a MELSEC-Q series high speed data communication module (QJ71DC96).
For details on the specifications of methods used for each function, refer to the following:
MELSEC iQ-R High Speed Data Communication Module Programming Manual
3 FUNCTION LIST
34
3.3 High Speed Data Communication Library
Description
To connect a host computer to a high speed data communication module.
To acquire a list of labels set on a high speed data communication module.
To register labels for a streaming transfer on a high speed data
communication module.
To request a high speed data communication module to start a streaming
transfer.
To request a high speed data communication module to stop a streaming
transfer.
To notify the data reception sent by streaming transfer from a high speed
data communication module.
To notify the state change of a connected high speed data communication
module.
To read specified data from a CPU module to a host computer.
To write specified data from a host computer to a CPU module.
To process the communication processing or streaming transfer start
processing in fixed scan interval when connecting with buffering.
Implementation to a program
Streamin Data Data
g read write
transfer
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