CITECT SCADA Modnet driver error 12

[OSAMAHUSSEIN]

Hi everyone

I am transferring my project to new server , everything went fine, i have many IO devices communicationg Modbus TCP and OPC DA, all IO devices are responding successfully except one Modnet device,

When checking Tagdebug i get the following response (check attached photo) 

I created a small project containing only one tag read from that IO device and it worked fine i was able to get the value of thae tag

any idea?

[olivier_vallee]

Hi @OSAMAHUSSEIN,

I think it is best to reach out to Technical Support and troubleshoot this issue further.

It looks like from the screen shot you are experiencing driver error 12, which from the help is:

Too many commands have been sent to the driver.

I'm not sure what would cause this.

It might be worth checking what version of MODNET driver you are running and if there is a newer version. From the GCS > Communications Hub, there is Modnet version 3.3.1.0 available.

I can't see any change or bug fix in the latest driver related to tag arrays.

You could also try experiment with the MaxOutstanding and MaxPending Parameters in the Modnet driver to see if this helps.

Kind regards

Olivier

[OSAMAHUSSEIN]

Thanks you Olivier for support

[olivier_vallee]

Hi @OSAMAHUSSEIN ,

I recommend posting your other question that you sent me, on the public facing forum.

It is probably not something I can assist you with, as it is in the realms of technical support. I recommend reaching out to your local Technical Support channel and get further assistance from them (with the Web Client Deployment Issue you mentioned).

There might also be an issue with replying to DMs in the forum, since I can't reply to any messages at the moment.

Kind regards

Olivier