Short summary

Name	`UDP_Close`
→POU type	→function
Category	more system blocks, network blocks , block with internal error diagnostic
Graphical interface
Available since	version 1.105.0 (for logi.CAD 3) and version 3.15.0 of logi.RTS This block is supported for these →target systems or platforms: →Raspberry Pi, →Revolution Pi platform `WindowsX86` (incl. the built-in PLC under Windows) version 1.109.0 (for logi.CAD 3) and version 3.19.0 of logi.RTS This block is supported for these target systems or platforms: Raspberry Pi, Revolution Pi platform `WindowsX86` (incl. the built-in PLC under Windows) platform `LinuxX86`

Functionality

The block releases the reserved address and port previously reserved by the block UDP_Open.

Inputs, outputs

Identifier

→Data type

Description

Inputs:

handle

DINT

→UDP handle

Outputs:

rc

UDINT

status of the UDP operation:

16#00000000: The operation is successful.
16#81000002: The handle is invalid.

Input EN and output ENO are available when →calling the block. See "Execution control: EN, ENO" for information on input EN and output ENO.

Internal error diagnostic for block

The block checks the following error cases:

The handle is invalid.

In such an error case, the output ENO of the block is set to value FALSE (or an equivalent). Moreover, the output rc returns the appropriate code (see the above table).

Example for usage within ST-editor

See "UDP_Open block".

When creating your application within the ST-editor, enter a call of a block by typing the text as requested by the syntax or use Content Assist.