| GENERAL NOTES | |||||||||||||
| SUMMARY OF XSF FLAGS | |||||||||||||
| XSF4 - Selects Special Maximum for SG4 in CØ (Special Purpose Timesetting no. 9) (All modes). | |||||||||||||
| XSF5 - Selects Special Maximum for SG5 in CØ (Special Purpose Timesetting no. 10) (All modes). | |||||||||||||
| SIGNAL GROUP OPERATION | |||||||||||||
| Signal Group 4 | |||||||||||||
| 1. SG4 is controlled by Special Movement Timesetting no. 1 in CØ. | |||||||||||||
| CØ Special All Red timesetting is substituted for Special Movement Timesetting no. 1. | |||||||||||||
| 2. XSF4 is used to set the maximum extension green time for SG4 in CØ. | |||||||||||||
| This time is stored in Special Purpose Timesetting no. 9. | |||||||||||||
| SG4 is forced off after this maximum extension green time. | |||||||||||||
| 3. Late start SG4 in CØ if going AØ®CØ using a special timer (AØ special all red) that starts at the end of SG2 yellow. | |||||||||||||
| 4. Late start SG4 in CØ if going BØ®CØ using a special timer (BØ special all red) that starts at the end of SG3 yellow. | |||||||||||||
| Signal Group 5 | |||||||||||||
| 1. SG5 is controlled by Special Movement Timesetting no. 2 in CØ. | |||||||||||||
| CØ All Red timesetting is substituted for Special Movement Timesetting no. 2. | |||||||||||||
| 2. XSF5 is used to set the maximum extension green time for SG5 in CØ. | |||||||||||||
| This time is stored in Special Purpose Timesetting no. 10. | |||||||||||||
| SG5 is forced off after this maximum extension green time. | |||||||||||||
| 3. SG5 operates green-yellow-red in CØ. | |||||||||||||
| 4. SG5 goes red with SG2 in AØ, and remains red through BØ and C2Ø. | |||||||||||||
| 5. SG5 closes down at the end of C1Ø or C3Ø green, remains red through AØ late start, then goes | |||||||||||||
| ‘blank’ at the start of AØ minimum green. | |||||||||||||
| When P1 is demanded. | |||||||||||||
| 6. If going BØ®AØ, C2Ø®AØ, with a demand for P1, hold SG5 red for the duration of Timer 1 | |||||||||||||
| (Special Purpose Timesetting no. 11). Timer 1 starts timing at the start of P1 walk. | |||||||||||||
| When Timer 1 expires, SG5 red is switched off. | |||||||||||||
| 7. If going C1Ø®AØ or C3Ø®AØ, with a demand for P1, SG5 goes red at the start of C1Ø or C3Ø all | |||||||||||||
| red period, and is held red for the duration of Timer 1 (Special Purpose Timesetting no. 11). | |||||||||||||
| Timer 1 starts timing at the start of P1 Walk. When Timer 1 expires, SG5 red is switched off. | |||||||||||||
| 8. AØ ECO is used to guarantee SG5 minimum blank period. Timer 2 (Special Purpose Timesetting no. | |||||||||||||
| 12) starts timing at the start of SG5 blank period. When Timer 2 expires, expire AØ ECO. | |||||||||||||
| Signal Group 6 | |||||||||||||
| 1. Late start SG6 in BØ. | |||||||||||||
| PEDESTRIAN GROUP OPERATION | |||||||||||||
| Pedestrian 1 | |||||||||||||
| P1 calls AØ. | |||||||||||||
| P1 calls BØ if the controller is resting in AØ. | |||||||||||||
| P1 can introduce at anytime in C2Ø and during AØ late start and can overlap C2Ø®AØ. | |||||||||||||
| Pedestrian 2 | |||||||||||||
| P2 calls BØ. | |||||||||||||
| P2 can introduce at the start of BØ. | |||||||||||||
| PHASE | |||||||||||||
| C Phase | |||||||||||||
| 1. Expire CØ late start when SG4 is not demanded. | |||||||||||||
| DETECTOR OPERATION | |||||||||||||
| General | |||||||||||||
| Clear vehicle demands during associated phase green and yellow. | |||||||||||||
| Detector 3 | |||||||||||||
| Clear demands for CØ from detector 3 during SG4 green and yellow. | |||||||||||||
| Detector 3 calls C1Ø if going AØ®CØ. | |||||||||||||
| Detector 5 | |||||||||||||
| Detector 5 places a non-locking call for CØ when its presence time expires. | |||||||||||||
| Detector 6 | |||||||||||||
| Clear demands for CØ from detector 6 during SG3 and SG5 green and yellow. | |||||||||||||