3. Signal Group statusΒΆ
Signal groups status (S0001) is defined as a text string where each character represents the current status for each signal group. Each character has the following definition:
| ASCII | Definition | Output | Green request |
|---|---|---|---|
| a | Disabled | Dark | |
| b | Manual control to dark | Dark | |
| c | Manual control to flashing yellow | Yellow flash | |
| d | Manual control to flashing red | Red flash | |
| e | Start-up interval 1 | Dark or yellow flash | |
| f | Start-up interval 2 | Vehicles: yellow, Pedestrians: red | |
| g | Start-up interval 3 | Red | |
| h | Manual control to red | Red | |
| A | Red rest without start order | Red | N |
| B | Red rest | Red | N |
| C | Red rest with privilege measurement | Red | N |
| D | Red with reservation | Red | Y/N |
| E | Red with request and without start order | Red | Y |
| F | Red with request | Red | Y |
| G | Red with start in own stage | Red | Y |
| 0 | Red-yellow | Red/Yellow | Y |
| 1 | Minimum green | Green | Y |
| 2 | Max. minimum green | Green | Y/N |
| 3 | Maximum green (extension) | Green | Y |
| 4 | Green rest | Green | N |
| 5 | Green passive | Green | N |
| 6 | Fixed past-end-green | Green | Y/N |
| 7 | Extra green according to intergreen times | Green | Y/N |
| 8 | Variable past-end-green | Green | Y |
| 9 | Flashing green | Green | Y/N |
| N | Fixed yellow or yellow-green | Yellow | Y/N |
| O | Variable yellow or yellow green | Yellow | Y |
| P | Variable red | Red | Y |
Figure 3.1: Signal group status