- Version
- Developer
- 김경섭 (GyeongSeop Kim)
- Email
- [email protected]
- GitHub
- github.com/bcong
- User guide
- webmodbus.com/guide, Modbus online, 모드버스 온라인, Modbus function codes, 모드버스 기능 코드
- Credits
-
modbus.org,
Modbus Poll (Witte Software)
- Copyright
- © 2026 김경섭 (GyeongSeop Kim). All rights reserved.
The layout and workflow were inspired by Modbus Poll from Witte Software. No code, images, or wording were taken from it, and WebModbus is an independent project, not affiliated with or sponsored by the Modbus Organization or Witte Software.
Connections: serial RTU/ASCII, Modbus TCP, TCP Security, UDP, and RTU/ASCII over IP (local bridge). Function codes: 01-04 read, 05, 06, 15, 16 write, 08 diagnostics, 11, 17, 22, 23, 43/14. Display: 16, 32 and 64-bit integers, floats, hex, binary, byte order. Tools: Test Center, address and slave scan, communication log, CSV export, workspace save, share rooms.
WebModbus is copyrighted by its developer (GyeongSeop Kim). Anyone may use it, commercially or non-commercially. When sharing or presenting it elsewhere, credit the source accurately (WebModbus, GyeongSeop Kim, and the service address). Do not alter its content or pass off a modified version as the original.
This service is provided as is, and you are responsible for how you use it and for the results, including values written to connected devices. Do not access it abnormally by any means, such as automated tools, crawlers, or AI scraping, and do not try to bypass features the service does not offer.
Modbus® is a registered trademark of Schneider Electric USA, Inc. WebModbus is an independent project.