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rzasior posted a topic in Vision & Samba PLC + HMI Controllers & VisiLogic SoftwareHello mates! I have got a problem with CANopen connection between my Unitronics V560 and gateway Turck BL20-E-GW-CO. As u see on the picture I attached after connecting my PLC and Turck gateway Err red diode is turned on. In this case, user manual says: "Faulty or interrupted communication between BL20-CANopen gateway and other CANopen. Possible causes: – CAN-BusOff – Heartbeat error – Guarding error – Transmit timeout" "– Check that the fieldbus ends with a termination resistor, if the BL20-CANopen gateway is the last node in the bus topology. – Check the seating of the CANopen bus connector (or the joints in the case of direct wiring). All connections must be correct and properly seated. – Check the CANopen cable for possible damage, and for correct connections. – Check that the correct bit rate has been set. – Check that the NMT-master is still functioning properly." - I have turned on termination resistor (my gateway is first and the last one at once). I even added extra one to PLC between H and L signal. - My connectors seats well - Cables do not have any issues - Bit rate which I set in "COM PORT INIT" block is the same as in gateway - My master PLC (V560) works What can be issue of my problem? How could I cope with that? Thanks for your time. Cheers!