Any troubleshooting ideas?
niu.yixuan 2024-07-12 15:04:05 1 Views0 Replies The device address is wrong, or there are devices with duplicate addresses (all factory defaults are 1).
2024-07-12 15:04:05 1. The device address is wrong, or there are devices with duplicate addresses (all factory defaults are 1).
2. Host polling interval and waiting response time are too short, both need to be set above 200ms.
3. The computer has multiple COM ports, and the selected port is incorrect.Baud rate, check mode, data bit, stop bit error.
4. 485 bus is disconnected, or A and B lines are connected in reverse.
5. Too many devices or too long wiring, power supply should be provided nearby, 485 enhancer should be added, and 120Ω terminal resistance should be added.
6. USB to 485 driver is not installed or damaged.
7. Equipment is damaged.
niu.yixuan
2. Host polling interval and waiting response time are too short, both need to be set above 200ms.
3. The computer has multiple COM ports, and the selected port is incorrect.Baud rate, check mode, data bit, stop bit error.
4. 485 bus is disconnected, or A and B lines are connected in reverse.
5. Too many devices or too long wiring, power supply should be provided nearby, 485 enhancer should be added, and 120Ω terminal resistance should be added.
6. USB to 485 driver is not installed or damaged.
7. Equipment is damaged.
niu.yixuan 
