I added a bus monitoring device in ControlDesk and chose a variable description. When I try to access the value of a bus variable via tool automation (API), an error message is displayed. How do I resolve this?
| Date | 2024-07-30 |
| 产品 | ControlDesk |
| 资料信息 | 常见问答 |
| 信息类别 | 常规使用, 故障排除 |