Manuals:
Web-IO 4.0 Digital
Model 57730, 57731, 57737
Startup and use
| Date | Description | Manual revision |
|---|---|---|
| April 21, 2026 | Manual valid for firmware version 1.80 and higher | 1.79 PDF download |
Programming and protocols
| Date | Description | Manual revision |
|---|---|---|
| April 21, 2026 | Complete programming manual | 1.79 PDF download |
| July 7, 2026 | Overview of ASCII socket commands | 1.81 PDF download |
| July 7, 2026 | Overview of possible HTTP requests | 1.81 PDF download |
Com-Server functions - only #57731
| Date | Description | Manual revision |
|---|---|---|
| March 5, 2020 | Valid for firmware 1.39 or higher | 1.39 PDF download |