GENERAL NOTES
SUMMARY OF XSF FLAGS
(Communications Operation of XSF flags is required)
XSF1 - Allows for late introduction of P1 & P2 in AØ (Masterlink only).
XSF2 - Allows for automatic introduction of P1 & P2.
XSF3 - Not Used
XSF5 - Selects special maximum for SG5 in DØ via Special Purpose Timesetting No. 9.
XSF6 - Selects special maximum for SG6 in DØ via Special Purpose Timesetting No. 10.
XSF7 - Not Used
XSF8 - Not Used
XSF9 - Allows detector 17 to extend CØ.
XSF10 - Allows detector 18 to extend BØ.
GENERAL OPERATION
1.      If transitioning from AØ -> DØ, D1Ø operates (To remove the possibility of lagging right turn due to close proximity of the U-Turn slots on east and west approaches).
2.      If going BØ -> DØ or AØ use BØ Special All Red
If going CØ -> BØ use CØ Special All Red
SIGNAL GROUP OPERATION
SIGNAL GROUP 5
Signal group 5 is controlled by Special Movement Timer No. 1 within DØ. DØ All Red Timesetting is substituted for Special Movement Time No. 1.
SIGNAL GROUP 6
Signal group 6 is controlled by Special Movement Timer No. 2 within DØ. DØ All Red Timesetting is substituted for Special Movement Time No. 2.
CONTROL OF SIGNAL GROUPS BY XSF FLAGS
XSF5 - Controls Maximum Time of SG5
The XSF5 is used to set special maximum time for SG5 in DØ. This maximum time is accessible in Special Purpose Timesetting No. 9. SG5 will be forced off after a period equal to DØ minimum green plus this special maximum.
XSF6 - Controls Maximum Time of SG6
The XSF6 is used to set special maximum time for SG6 in DØ. This maximum time is accessible in Special Purpose Timesetting No. 10. SG6 will be forced off after a period equal DØ minimum green plus this special maximum.
PEDESTRIAN GROUP OPERATION
Pedestrian 1
Calls AØ.
Can introduce anytime in D2Ø and at the start of AØ and can overlap from D2Ø -> AØ.
Can introduce anytime in AØ if XSF1 is set (Masterlink only).
Can auto introduce at the start of SG1 when XSF2 is set.
Pedestrian 2
Calls AØ.
Can introduce anytime in D3Ø and at the start of AØ and can overlap from D3Ø -> AØ.
Can introduce anytime in AØ if XSF1 is set (Masterlink only).
Can auto introduce at the start of SG2 when XSF2 is set.
Pedestrian 3
Calls CØ.
Can introduce at the start of CØ
Pedestrian 4
Calls BØ.
Can introduce at the start of BØ
OPERATION OF ADVANCED WARNING SIGNS
Wait State 8 (WS8) drives the operation of two flashing “PREPARE TO STOP” signs.
Wait State 8 is switched on at the start of AØ ECO when transitioning from AØ -> BØ, AØ -> CØ, AØ -> D1Ø and AØ ->D3Ø.
Wait State 8 stays on until SG1 goes green in AØ or D2Ø.