GENERAL NOTES
SUMMARY OF XSF FLAGS
XSF5 - Selects Special Maximum for SG5 in DØ (Special Purpose Timesetting no. 13) (All modes).
XSF6 - Selects Special Maximum for SG6 in DØ (Special Purpose Timesetting no. 14) (All modes).
XSF7 - Selects Special Maximum for SG7 in BØ (Special Purpose Timesetting no. 15) (All modes).
XSF8 - Selects Special Maximum for SG8 in BØ (Special Purpose Timesetting no. 16) (All modes).
GENERAL OPERATION
1. If in AØ, clear demands for DØ.
2. If in CØ, clear demands for BØ.
SIGNAL GROUP OPERATION
Signal Group 5
1. SG5 is controlled by Special Movement Timesetting no. 1 in DØ.
    DØ All Red timesetting is substituted for Special Movement Timesetting no. 1.
2. XSF5 is used to set the maximum extension green time for SG5 in DØ.
    This time is stored in Special Purpose Timesetting no. 13.
    SG5 is forced off after this maximum extension green time.
3. SG5 operates green-yellow-red in DØ.
4. SG5 goes red with SG1 in AØ, and remains red through BØ, CØ and D3Ø.
5. SG5 closes down at the end of D1Ø or D2Ø green, remains red through AØ late start, then goes  
    ‘blank’ at the start of AØ minimum green.
When P2 is demanded.
6. If going BØ ® AØ, CØ ® AØ or D3Ø ® AØ, with a demand for P2, hold SG5 red for the duration of   
    Timer 1 (Special Purpose Timesetting no. 17). Timer 1 starts timing at the start of P2 walk.  When 
    Timer 1 expires, SG5 red is switched off.
7. If going D1Ø ® AØ or D2Ø ® AØ, with a demand for P2, SG5 goes red at the start of D1Ø or D2Ø 
    all red period, and is held red for the duration of Timer 1 (Special Purpose Timesetting no. 17).  
    Timer 1 starts timing at the start of P2 Walk.  When Timer 1 expires, SG5 red is switched off. 
8. AØ ECO is used to guarantee SG5 minimum blank period. Timer 3 (Special Purpose Timesetting 
    no. 22) starts timing at the start of SG5 blank period. When Timer 3 expires, expire AØ ECO.
Signal Group 6
1. SG6 is controlled by Special Movement Timesetting no. 2 in DØ.
    DØ All Red timesetting is substituted for Special Movement Timesetting no. 2.
2. XSF6 is used to set the maximum extension green time for SG6 in DØ.
    This time is stored in Special Purpose Timesetting no. 14.
    SG6 is forced off after this maximum extension green time.
3. SG6 operates green-yellow-red in DØ.
4. SG6 goes red with SG2 in AØ, and remains red through BØ, CØ and D2Ø.
5. SG6 closes down at the end of D1Ø or D3Ø 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, CØ ® AØ or D2Ø ® AØ, with a demand for P1, hold SG6 red for the duration of   
    Timer 2 (Special Purpose Timesetting no. 21). Timer 2 starts timing at the start of P1 walk. When 
    Timer 2 expires, SG6 red is switched off.
7. If going D1Ø ® AØ or D3Ø ® AØ, with a demand for P1, SG6 goes red at the start of D1Ø or D3Ø 
    all red period, and is held red for the duration of Timer 2 (Special Purpose Timesetting no. 21).  
    Timer 2 starts timing at the start of P1 Walk. When Timer 2 expires, SG6 red is switched off. 
8. AØ ECO is used to guarantee SG6 minimum blank period. Timer 4 (Special Purpose Timesetting 
no. 22) starts timing at the start of SG6 blank period. When Timer 4 expires, expire AØ ECO.
Signal Group 7
1. SG7 is controlled by Special Movement Timesetting no. 3 in BØ.
    BØ All Red timesetting is substituted for Special Movement Timesetting no. 3.
2. XSF7 is used to set the maximum extension green time for SG7 in BØ.
    This time is stored in Special Purpose Timesetting no. 15.
    SG7 is forced off after this maximum extension green time.
3. SG7 operates green-yellow-red in BØ.
4. SG7 goes red with SG3 in CØ, and remains red through DØ, AØ and B3Ø.
5. SG7 closes down at the end of B1Ø or B2Ø green, remains red through CØ late start, then goes  
    ‘blank’ at the start of CØ minimum green.
When P4 is demanded.
6. If going AØ ® CØ, DØ ® CØ or B3Ø ® CØ, with a demand for P4, hold SG7 red for the duration of   
    Timer 4 (Special Purpose Timesetting no. 23). Timer 5 starts timing at the start of P4 walk. When 
    Timer 4 expires, SG7 red is switched off.
7. If going B1Ø ® CØ or B2Ø ® CØ, with a demand for P4, SG7 goes red at the start of B1Ø or B2Ø 
    all red period, and is held red for the duration of Timer 5 (Special Purpose Timesetting no. 23).  
    Timer 4 starts timing at the start of P4 Walk. When Timer 5 expires, SG7 red is switched off. 
8. CØ ECO is used to guarantee SG7 minimum blank period. Timer 7 (Special Purpose Timesetting 
    no. 25) starts timing at the start of SG7 blank period. When Timer 7 expires, expire CØ ECO.
Signal Group 8
1. SG8 is controlled by Special Movement Timesetting no. 4 in BØ.
    BØ All Red timesetting is substituted for Special Movement Timesetting no. 4.
2. XSF8 is used to set the maximum extension green time for SG8 in BØ.
    This time is stored in Special Purpose Timesetting no. 16.
    SG8 is forced off after this maximum extension green time.
3. SG8 operates green-yellow-red in BØ.
4. SG8 goes red with SG4 in CØ, and remains red through DØ, AØ and B2Ø.
5. SG8 closes down at the end of B1Ø or B3Ø green, remains red through CØ late start, then goes  
    ‘blank’ at the start of CØ minimum green.
When P3 is demanded.
6. If going AØ ® CØ, DØ ® CØ or B2Ø ® CØ, with a demand for P3, hold SG8 red for the duration of   
    Timer 5 (Special Purpose Timesetting no. 24). Timer 6 starts timing at the start of P3 walk. When 
    Timer 5 expires, SG8 red is switched off.
7. If going B1Ø ® CØ or B3Ø ® CØ, with a demand for P3, SG8 goes red at the start of B1Ø or B3Ø 
    all red period, and is held red for the duration of Timer 6 (Special Purpose Timesetting no. 24).  
    Timer 5 starts timing at the start of P3 Walk. When Timer 6 expires, SG8 red is switched off. 
8. CØ ECO is used to guarantee SG8 minimum blank period. Timer 8 (Special Purpose Timesetting 
    no. 25) starts timing at the start of SG8 blank period. When Timer 8 expires, expire CØ ECO.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
P1 calls AØ.
P1 calls CØ if the controller is resting in AØ.
P1 can introduce at anytime in D2Ø and at the start of AØ and can overlap D2Ø®AØ.
Pedestrian 2
P2 calls AØ.
P2 calls CØ if the controller is resting in AØ.
P2 can introduce at anytime in D3Ø and at the start of AØ and can overlap D3Ø®AØ.
Pedestrian 3
P3 calls CØ.
P3 can introduce at anytime in B2Ø and at the start of CØ and can overlap B2Ø®CØ.
Pedestrian 4
P4 calls CØ.
P4 can introduce at anytime in B3Ø and at the start of CØ and can overlap B3Ø®CØ.
DETECTOR OPERATION
General
Clear vehicle demands during associated phase green and yellow.
Detector 4
Detector 4 places a non-locking call for DØ when its presence time expires.
Clear demands for DØ from detector 4 during SG5 green and yellow.
Detector 7
Detector 7 places a non-locking call for DØ when its presence time expires.
Clear demands for DØ from detector 7 during SG6 green and yellow.
Detector 10
Detector 10 places a non-locking call for BØ when its presence time expires.
Clear demands for BØ from detector 10 during SG7 green and yellow.
Detector 11
Clear demands for CØ from detector 11 during SG4 and SG6 green and yellow.
Detector 14
Detector 14 places a non-locking call for BØ when its presence time expires.
Clear demands for BØ from detector 14 during SG8 green and yellow.