Posted 1 Sep 2022 (edited) Hi All, I connected the controller CS351 to QJ71C24N Module, RS232 setting with non protocol, and got the reading with reception and framing error. Could some one help on the data seem floating in data memory? QJ71C24N_Reading Data.mp4 Edited 1 Sep 2022 by PakpoomW Share this post Link to post Share on other sites
Posted 1 Sep 2022 An RS-232 framing error indicates that the sender is not using the same bits/parity/stop bits as the receiver. Share this post Link to post Share on other sites
Posted 2 Sep 2022 Thanks Mr. Sparky, Actually I have set the same bits/parity/stop bits of receiver as same the sender already, as attached below, And also sender setting as attached below, From the circuit trace data shown the framing error on space bar between ASCII Texts Text File Data PLC Status shown the error code 7F68. Trouble shooting is I don't know how to solve this issue, we also tried by BAR code scanner every thing fine no error coming. I amnot sure the space bar between string (ASCII TEXT ) will be the root cause of this error. Is possible PLC don't know space in between letters? Please advise, Thanks you Share this post Link to post Share on other sites
Posted 2 Sep 2022 In your top screenshot, parity bit is "None", so the "Even/Odd" is ignored. Share this post Link to post Share on other sites
Posted 6 Sep 2022 Yes All done , thanks so much for your help just missing the parity bit to set exist haha. Data shown stable in below, Share this post Link to post Share on other sites