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nancy97Aug 5, 2025
Why communication cannot be made with SMC Networks Industrial Equipment?
- JJennifer ThomasAug 5, 2025
Communication issues with SMC Networks Industrial Equipment can stem from several causes. Ensure you're using the correct cable: a straight cable for RS-485 or a cross cable for RS-232C. Verify that the unit number, baud rate, parity bit, data length, and stop bit settings are consistent between the host and the thermo-con. Also, confirm that your program is correctly written, paying attention to the control code, command code, and checksum. Use the appropriate communication method (RS-485 or RS-232C) as per the thermo-con's specifications. External noise can interfere with communication, so use a shielded wire for the cable and ground the shield. Lastly, reflected waves can cause issues; setting a terminating resistance may resolve this.
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