Posted: Fri Jun 10, 2016 11:30 am Post subject: CANOpen
hi
A year or so ago there was a post regarding Bascom AVR and CANOPEN
Well - depending on what you need to do it is quite possible and very easy to get working.
I have a few boards with Can128 , used as inputs and outputs , in a Festo and Schneider PLC system running CODESYS .
One need to create a XX.EDS file with the configuration of the board so best is to start with a similar type of product and edit it for own use and need to 'clone ' an existing user / manufacturer ID , for development or private use .
The idea is not to implement a full CANopen stack - or use it in safety critical devices , but at least the basic objects to control the board and get data to and from it.
Once the node is activated with a few commands , the data is sent as required. It can even be active after sw-on so then you do not even need
to have the node activation code to start sending / receiving data .
It is also then very easy to expand and add more CANOPEN functions or options as needed .
We use it as an absolute magnetic encoder with a AS5600 and also for 4-20 mA input and valve output - incl PWM , 8 nodes running Bascom with 3 Schneider VFD units , 11 nodes total in the one system . All that with a 4ms update rate
The can implementation of Bascom AVR make it super easy to do this.
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