TCP Send

R2026b

Send data over TCP network to a remote device

• 

TCP Send block

To add a block to a model, double-click the canvas and start typing the block name. Then, select the block from the list.

Libraries:
Simulink Real-Time / IP

Description

The TCP Send block sends data from a server application on a Speedgoat^® target computer to a remote client device.

Examples

Target to Development Computer Communication by Using TCP

Use TCP blocks to send data from the target computer to MATLAB running on the development computer.

• Open Model

Ports

Input

Enable — Allow data transmission

integer

When Enable > 0, the block attempts to transmit data to the remote device.

As a best practice, connect the Status output of a TCP configure block to the Enable input of the associated TCP Send and TCP Receive blocks.

Data — Data to transmit over the TCP network

vector

Vector of Length to transmit to the client device.

Data Types: uint8

Length — Length of data vector

double

Number of uint8 values to transmit to the client device.

Output

Status — Number of bytes sent

double

Returns the number of uint8 values transmitted to the client device.

Parameters

Send using — List of IP address and port pairs

Read-only: x.x.x.x:y

This parameter is read-only.

The block receives the list of IP address and port pairs from the TCP configuration blocks in the model.

Ports 1 through 1023 and 5500 through 5560 are reserved for Simulink Real-Time communications.

Programmatic Use

Block Parameter: socketAddPort

Sample time — Sample time of block

-1 (default) | numeric

Enter the base sample time or a multiple of the base sample time. -1 means that the sample time is inherited.

Programmatic Use

Block Parameter: sampleTime

Programmatic Use: Add Block

To add the block programmatically, use the add_block function with one of these library block paths as the source.

"slrealtimeiplib/TCP Send"

Example: add_block("slrealtimeiplib/TCP Send","myModel/myBlock",MakeNameUnique="on")

Extended Capabilities

C/C++ Code Generation
Generate C and C++ code using Simulink® Coder™.

Version History

Introduced in R2020b