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     SITE NAME WESTERN HIGHWAY NR ROBERTS AVENUE   SITE NO. 6405  
PHASING DIAGRAM  
 
 
   
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
   
  OPERATION IN LINK MODE  
  1.  Signal groups are independent of phasing. All phases have a permanent demand in Masterlink & Flexilink  
  2.  SG1 cannot close down during AØ (refer note 6 below for the exception).  
* 3.  SG1 can close down at any time during BØ green, provided SG1 minimum green has expired and both approaches  
       gap or waste. If SG1 closes down at the end of BØ green (i.e. at the start of BØ yellow), P1 introduces at the start of CØ  
* 4.  SG1 cannot close down during CØ  
  5.  Any ped demand placed during BØ intergreen or during CØ will not be serviced until the next cycle.  
  6.  If BØ is left out of the sequence in Masterlink or Flexilink, SG1 can close down at the start of AØ yellow and P1 introduces at  
       the start of CØ.  
  7.  The operation of DØ, EØ, FØ are the same as for AØ, BØ, CØ respectively. DØ, EØ and FØ are only used when double phasing.  
  8.  When XSF3 (Master & Flexi) is set, P1 uses Special Purpose Timesetting No. 9 for its walk time.  
  OPERATION IN V.A. AND FLEXI ISOLATED MODES  
  1.  Controller runs AØ and CØ.  
  2.  AØ is extended by the vehicle detectors. When AØ gaps or wastes, AØ and SG1 closes down together.  
  3.  CØ is called by P1. P1 introduces at the start of CØ (SG1 closes down at the start of AØ yellow). CØ runs for the duration of  
       P1 walk, clearance and solid don't walk time.  
     
 
V.A. SEQUENCE AC  
         
                                       
DESIGNED BY: NECATI UYAR           DATE 13/03/18