YASKAWA CIMR-E7U Series Technical Manual

Also see for E7 Drive: User manual Installation guide Instruction Manual and Parameter Description Basic instructions Operating manual

Troubleshooting 3-53.3: Verify that the contents of the message adheres to the protocol format as described previously.3.3.1: Verify that the node address is valid.3.3.2: Verify that the function code is valid3.3.3: Verify that the register address is valid3.3.4: Verify that the number of data bytes is correct is valid3.3.5: Verify that the CRC is correctly calculated.3.3.6: Verify that the message requires a response.4: Verify the contents of the response message.4.1: Connect an oscilloscope between the controller RxD and GND.4.1.1: Verify that the message pulse train exists and contains the correct number of pulses. Refer to the chapterMessage Formats for information on the message contents.4.1.2: Verify that he signal levels adhere to the RS232 standard.4.2: Capture the response message sent by the controller in a hexadecimal format and record it below.[ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ][ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ][ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ][ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ] [ ]4.3: Verify that the contents of the message adheres to the protocol format as described previously.4.3.1: Verify that the node address is valid.4.3.2: Verify that the function code is valid4.3.4: Verify that the number of data bytes is correct is valid4.3.3: Verify that the register address is valid4.3.4: Verify that the CRC is correctly calculated.