RS485 wiring to reduce communication failures?

2023-10-09 00:00:00

in the parking lot system, video monitoring, entrance guard system, such as weak current engineering, we often use RS485 bus, this is because of its simple wiring, technology mature and stable.But due to various reasons, may be installed is not standard, use inferior equipment, etc., can lead to abnormal communications.So how are the wiring RS485 can effectively reduce the communication failures?Here we provide five tips for your reference.

1. The choose and buy good quality 485 converter, caused by the poor quality of converter communication failures are more, here we recommend that you do not covet petty gain and ignore the demands of the quality, it is recommended to use the original factory or to buy brand 485 converter is guaranteed.
2. Strictly in accordance with the requirements for wiring, installation, please don’t covet convenient and buried hidden trouble.
3. If RS485 lines longer or load too much, please get the reserved;
4. The communication distance of more than 500 meters, please use the repeater or 785 switches.
5. A bus link is best not to exceed 30 device if the load is too much, please use 485 hub;

well, about how to reduce the RS485 communication failures we introduced to this, thank you for reading.