Keyence camera SR-5000W communication with X3 over TCP and data transfer to NodeRed

[emrahemre]

Hello,

one of my customer uses Keyence camere (SR-5000W) with CORE X3. The communication with PLC is ok, it works. But the customer states that hecan not get the data to NodeRed from Keyence device.

Could this be related to a setting that needs to be made in NodeRed?

Thank you for the support!

[CodeWasi · Accepted solution]

Hello ,
Nodered has access to the value which are available on the datalayer. The PLC application gets the data from keyence via TCP/PN ... but the data is part of the PLC area! PLC data supposed to be present on the datalayer needs to be "share" by the symbol-configuration.

OK?
Bye

[BundM]

Hello,
I am the customer.
The problem was described incorrectly.
I can establish a TCP connection to the camera with the PLC but not via Node-RED.

The camera scans up to 20 codes of 50 characters each simultaneously.
Since this can vary, I would prefer not to handle it with the PLC, especially since in the end I need the data in Node-RED.

[CodeShepherd · Accepted solution]

In general it is possible to access TCP/IP data via Node-RED in the network. See how to "Communicate between a ctrlX COREvirtual and other applications" there I used Node-Red to test a TCP communication.

Could it be that the camera is only excepting one simultaneous TCP connection and the PLC is already occupying it? 

[BundM]

I tried the connection Via the PLC after i couldn´t get a connection with Node Red 

[emrahemre]

Hi, customer found a solution today by changing the TCP settings of the camera. Direct communication between camera and Node-RED is working now.

Thank you for the comments and supportive informations.