[etherlab-users] "ethercat pdos" empty output

ronaldo.mercado at diamond.ac.uk ronaldo.mercado at diamond.ac.uk
Thu Jun 2 12:34:15 CEST 2016


I don’t understand your question well. I am guessing it may have to do with this:

The NI9144 is an Ethercat backplane with 8 slots that can hold various compactRIO modules. The ethercat scanner needs to know the configuration it will be working with and the backplane’s EPROM needs to be programmed to match to what the scanner expects. This is because the scanner interrogates the hardware at startup and refuses to work with slaves if the slave report of capabilities does not match the expected PDOs

See the description at etherlab’s website here

When I used a NI9144 backplane in the past I used NI’s xml creation tool to generate an Ethercat Slave information XML and I believe Twincat to write it to its EEPROM.



From: etherlab-users [mailto:etherlab-users-bounces at etherlab.org] On Behalf Of Zhang Xiaozhen
Sent: 02 June 2016 11:16
To: etherlab-users at etherlab.org
Subject: [etherlab-users] "ethercat pdos" empty output

hallo everyone,
i have used Ni9144 Chassis with Module 9205 als EtherCAT Slave. i have try "ethercat tools" ,there were output with PDOs info , but now just empty output.
other command like "ethercat master" still output the right info.i have also check in TwinCAT the XML Description file.
could anyone help me ?
thank you so much
[ethercat pdos]

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