EtherCAT PDO Receive | EtherCAT receive variable | receive all signals at once (demux later)

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Rolf
Rolf 2018-8-16
回答： Diego Kuratli 2018-8-26
For SLRT (Simulink Realtime) I use "EtherCAT PDO Receive" to read out a specific signal. For data-logging, I would like to save all signals send to SLRT (which are 30+ signals). Of course I could read them by creating 30+ separate "EtherCAT PDO Receive" and manually select each signal one by one (and afterwards mux and use a FileScope to save). However, this is a very prolonged and error prone process. There must be a better way.
How do I receive all signals at once? Which blocks should I use?
Thanks!
My release: MATLAB Version 9.3 (R2017b), Simulink Version 9.0 (R2017b), Simulink Real-Time Version 6.7 (R2017b).

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回答（1 个）

Diego Kuratli
Diego Kuratli 2018-8-26
The EtherCAT blocks in SLRT read the information provided by the EtherCAT Network Information (ENI) XML file. If you want to combine signals, you should modify the ENI file.

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