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Online values of DI/DO modules in WBM

michiel_op_de_beeckmichiel_op_de_beeck
in PLCnext Technology & PLCnext Controls

Hi,

I have an AXC F2152 controller with a combined DI/DO module currently installed on an offshore asset, with almost no options to go on site for troubleshooting. I have not the option the install PLC next engineer, I can only access the device via sFTP (I use WinSCP for that) and the wbm.

I am looking for a way to read out the status of the DI/DO module, perhaps via a binary word or something similar if a visual output is not possible via the wbm.

Looking forward to your answer,

Comments

  • Martin [PLCnext Technology Team]Martin [PLCnext Technology Team]

    Hi, I am afraid that there is probably no good answer to this question.

    If the DI/DO status data is marked with the "HMI" attribute in the PLCnext Engineer project (either directly or through connected variable(s)) then it might be possible to use curl to read that data, via the REST interface.

    Otherwise, the only solution I can think of is to write your own runtime-type application that uses the ANSI-C interface to read the DI/DO data. That's not a trivial task and probably not something you want to install and test on a live system.

    I think there are plans to include something like this feature in a future version of the WBM, but of course that doesn't help at the moment (sorry).

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