Post by user0815 on Kommunikation zwischen ROS2 und CODESYS über Web Sockets ^{CODESYS Forge talk (Post)}
Hallo zusammen, ich hoffe ihr könnt mir weiterhelfen. Meine CODESYS Version ist die V3.5 SP19 Patch 4 und die Zielsystemversion ist die 4.10.0.0 . Ich verwende CODESYS ohne Lizenz. Ich probiere eine Verbindung über Web Sockets zwischen ROS und CODESYS aufzubauen. Der Client von CODESYS verbindet sich mit dem Ros Bridge Server aber ich weiß nicht wie ich dem Ros Server sage welches Topic er publishen soll. Über Node-Red habe ich eine Verbindung aufbauen können. Dafür habe ich "node-red-contrib-flowake-ros-nodes" verwendet. Den Daten Austausch habe ich mit mit Wireshark angeschaut und nun probiere ich den mithilfe von CODESYS nachzubauen. NAch dem sich der Client verbunden hat muss folgende Nachricht übermittelt werden:"{"op":"call_service","id":"call_service:/rosapi/topic_type:1","type":"rosapi/TopicType","args":{"topic":"/cmd_vel"}}." Ich vermute es funktioniert über Frames aber ich weiß nicht wie ich es umsetzten soll. Besten Dank für die Hilfe und schöne Grüße
Last updated: 2024-01-03

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Post by naidureginald on creating a visualization table ^{CODESYS Forge talk (Post)}
hi all im trying to create a visualisation table for a axis alarms list. upon entering the data array, i recieve a message as attached. any help would be much appreciated.
Last updated: 2024-01-03

SEND_RECV_MSG function block on Schneider Machine Expert ^{CODESYS Forge talk (Thread)}
SEND_RECV_MSG function block on Schneider Machine Expert
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Post by tvm on SEND_RECV_MSG function block on Schneider Machine Expert ^{CODESYS Forge talk (Post)}
Anyone else using the SEND_RECV_MSG function block for RS-485 communication on Schneider Machine Expert? I have had ongoing issues with it for several years, which Schneider tech support is aware of, but hasn't been able to fix. The latest version of Machine Expert (v2.2) appears to have broken some of the functionality altogether. I'd be interested in hearing from anyone else using this platform for serial communication.
Last updated: 2024-01-03

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Post by joanm on Programmatically change the IP addresses of the Modbus TCP slave devices ^{CODESYS Forge talk (Post)}
Hello all, I am working in a project in which there are multiple Modbus TCP slaves. I need to be able to change the IP addresses of those devices from the HMI and I was planning to use the process depicted here: https://faq.codesys.com/display/CDSFAQ/Modbus+TCP+Slave%3A+Dynamic+Setting+of+the+IP+Address I can see the port number is what is used to specify which slave device we want to modify the IP address of. This said, can I freely set arbitrary port numbers to each device? I mean, can I set the first device to be at port 502, the second one at port 503... Any drawback or restriction? Is there any other way to reference to the device without having to change the port numbers? Thank you all in advance.
Last updated: 2024-01-04

Post by atone on File Creation Issue ^{CODESYS Forge talk (Post)}
@eschwellinger does FILE.Copy fails with FILE_OPERATION_DENIED when copying outside from the IEC path for the same reason? I'm looking for a workaround to this limitation.
Last updated: 2024-01-04

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