French English Russian German Spanish Italian Portuguese Dutch

FAQ

FAQ

1. Qu'est-ce que LoRa ?

2. Qu'est-ce que le GPRS ?

3. Puis-je surveiller l'IA analogique en même temps à l'aide d'une plateforme en nuage et d'un téléphone portable ?

4. Les options TCP client et TCP serveur sont-elles deux modes supportés par l'appareil ?

5. Différence et description des nœuds secs et humides

6. Do IOTRouter’s DTU and RTU devices have a TCP-long connection?

7. Will you see the data from the device?

8. Why is there no reaction on the data monitoring page after changing the settings on the cloud platform?

9. Click to upgrade, the error ‘method not found System.reflection.methodinfo.CreateDelegate(systemType)’ occurs

10. How to fill in the data template for adding a slave?

11. After adding the device on the cloud platform, the cloud platform shows the device as offline.

12. How to continue upgrading if the remote upgrade connection is disconnected in the middle?

13. Is AO output affected by distance?

14. What should be done if the device cannot perform any operation after firmware upgrade failure?

15. What is the difference between a local upgrade and a remote upgrade?

16. What baud rate should be set for connecting to the sensor?

17. ZHC4941’s 485 request is too fast, causing the device to not start normally and only the POW light is on?

18. ZHC4941 firmware upgrade is not successful, the POW light goes out. What should I do?

19. Why doesn’t the slave data display after adding a slave?

20. Does the AI analog input terminal sensor have reverse polarity protection function?

21. For ZHC4922, when using a self-built server, how should Clientid, username, and password be filled in?

22. Can’t connect to the device and computer via 232?

23. Does the DTU module support firmware upgrade?

24. ZHC4661 point-to-point communication was fine when first set up, but after two days it cannot communicate

25. Why doesn’t the cloud device go online even though the DTU device’s link/net light is on?

26. How does the cloud platform distinguish which device the data is coming from, and whether it is within the authorized range?

27. Can a virtual serial port and cloud platform be used simultaneously?

28. Can the cloud platform set permissions so that project members can only see authorized values?

29. When connecting to the cloud platform, how to fill in the server IP/port in the configuration software?

30. Can the server send commands to the device via HTTP communication?

31. What is the data format that DTU pushes to the cloud server?

32. After adding the device on the cloud platform, the cloud platform shows the device as offline

33. Why is there no data displayed on the cloud platform even though the device has gone online?

↑