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                                      PAGE 9    
     SITE NAME WESTERN HIGHWAY/HENTY HIGHWAY     SITE NO. 6407  
FLEXILINK OPERATION  
 
PHASE SEQUENCES  
No PHASE SEQUENCE   NOTES:  
1  (No Y+) ABCD   1.  All phases must be specified in the phase sequence  
2  (Y+) DABC   2. Only specify phase sequence 2 if it is different from phase sequence 1.  
 
LOOK AHEADS & RELEASES  
PHASE SEQUENCE 1   PHASE SEQUENCE 2    
PHASE LOOK AHEAD* RELEASE   PHASE LOOK AHEAD* RELEASE    
A No R-   A No R-    
B Yes (to C, D, A) Auto   B Yes (to C,D) Auto    
C No R+   C No R+    
D Yes (to A) Q-   D No Q-    
E       E        
F       F        
G       G        
  * Specify the phases to which look ahead is permitted, e.g. Yes (to E, F, G, A)  
 
INHIBIT PHASES  
The following phases can be inhibited in flexilink by setting the call pulse one step before the call pulse of the next phase in sequence B  
 
 
PULSE STEP LENGTH  
    One Second   P   Two Second  
 
MASTERLINK & FLEXILINK SPECIAL FLAGS  
 
FLAG FUNCTION  
Y- Flexi The site will operate in flexilink mode if the signal is continuously sent (C) or is used as an offset (e.g. 25)   Ø
Y- Master Places a permanent demand for DØ and removes "Recall" for AØ  
Y+ Flexi Places a permanent demand for DØ, removes "Recall" for AØ and selects alternate sequence DABC  
Z- Flexi SG11 is inhibited from closing down  in BØ and CØ  
Z- Master SG11 is inhibited from closing down  in BØ and CØ  
Z+ Flexi SG11 is inhibited from closing down  in DØ  
Z+ Master SG11 is inhibited from closing down  in DØ  
R- Flexi AØ RELEASE PULSE  
R+ Flexi CØ RELEASE PULSE  
Q- Flexi DØ RELEASE PULSE  
Q+ Flexi Permanent demand for DØ  
 
                                           
DESIGNED BY: NOEL RAVEENDRAN             DATE 6/04/18