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Found 3 results

  1. Hello all, I have been doing a project for a bit now, trying to get data from a NOx sensor. Nonetheless, I have tried to initialize the CANbus (SAEJ1939 Protocol) connection, but when I check the voltage for the CAN pins, there is no voltage. It should have 24 Volts so the sensor initializes. I have also connected the sensor and it does not start heating up whatsoever. I have tried other example programs for CANbus that do not use SAEJ1939 with no avail. If anyone could tell me what I am doing wrong I would really appreciate it. I have attached my program and the mentioned pins that have no voltage. Also what does PE (see picture) mean? Thank you!
  2. Hello, I am working on a project with the V130 PLC, I have 6 separate actuators connected to my slave configured PLC which communicate over CANbus J1939. I have trouble with controlling the actuators in a consecutive way, some of the times the actuators respond to the command that I send them and sometimes not. I think it might be related to the configuration of the J1939 PGNs on Visilogic. If someone can help that will be great, I am attaching my configuration of transmit and receive PGNs. Thank you, Yom
  3. Has anyone worked with J1939 Memory access protocol? I need to place the controller on the vehicle in the diagnostic mode (write "1" to address "0"), then read another address continuously while some process is running. Some addresses might return data over transport protocol. Are there any functional blocks available to handle all that or is there any examples? I also saw on the forum a mentioning of the document describing the J1939 functions - any idea which document is that? Thank you.
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