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PAGE 3/2 |
| SITE NAME |
COOPER STREET NR
DAVISSON STREET |
SITE NO. |
7034 |
| TRAM PRIORITY
OPERATION |
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| TRAM |
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Function |
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| Detector No |
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| 6 |
- |
Starts Timer 1 (Refer
Special Purpose Timesettings Nos. 9, 13, 23 & 27) |
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| 7 |
- |
When first activated
resets Timer 1 |
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| 8 |
- |
Starts Timer 2 (Refer
Special Purpose Timesettings Nos. 10, 14, 24 & 28) |
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| 9 |
- |
When first activated
resets Timer 2 |
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| Timer 1 or 2 expired OR detectors 8 or 10
'ON' constitutes a 'TRAM CALL' |
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| NOTES: |
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| 1.
When an advance tram detector fails (i.e. has a detector alarm) it will be
ignored. |
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| 2.
When a stop line tram detector fails, both it and the associated advance
detector will be ignored. |
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| 3.
If the value of a delay timer is set too high (e.g. 200 sec.) the tram will
reach the stop line loop well before the |
| delay timer expires, and thus phase calls
from the advance detector will effectively be inhibited. |
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| 4.
Timer status can be monitored by observing the following memory locations on
the operator terminal: |
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| Controller Type |
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Key Command |
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Bit Position & Timer No |
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o |
o |
o |
o |
o |
o |
o |
o |
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| Alpha 16 |
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A.128 |
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4 |
3 |
2 |
1 |
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| PSC |
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A.E0128 |
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1 |
2 |
3 |
4 |
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| 5.
Tram calls are cancelled and timers reset if the timers have been expired for
more than one cycle, |
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| or two cycles if XSF15 is set. |
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| 6.
To monitor XSF and MSS flags on the operator terminal, key in: |
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| Controller Type |
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XSF |
MSS |
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| Alpha 16 |
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A.D8 |
A.DA |
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| PSC |
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A.E00D8 |
A.E00DA |
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| Z Flags |
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Period |
Select Alternate Delay Times |
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Select Special Timer Times |
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Inhibit Detectors |
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| No |
Z- |
No |
Z+ |
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L.O.P |
9 - 10 |
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11 - 12 |
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Z- |
No |
Z+ |
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A.M. |
13 - 14 |
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15 - 16 |
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| No |
Z- |
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Z+ |
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P.M. |
23 - 24 |
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25 - 26 |
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Z- |
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Z+ |
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H.O.P. |
27 - 28 |
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29 - 30 |
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| 7. Tram leaving detector 7 sets MSS1. |
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| 8. Tram leaving detector 9 sets MSS2. |
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| 9. When XSF4 (Master & Flexi) is set, the
pedestrian delay by trams is inhibited - Pedestrian Operation |
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| notes (page 3/1) are not applicable. |
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| 10.
When XSF4 (Master & Flexi) is set, the tram detectors (Timer 1 or 2
expired or Detectors 8 or 10 on) extend |
| SG1 in A, B, D and E phases the same as
the vehicle detectors. The timers are reset when either the |
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| associated stopline tram loop is
activated or if the timers have been expired for more than one cycle. |
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| 11.
Detector alarms on detectors 7, 8, 9 & 10 set MSS15, which can be used to
send a message in SCATS to |
| advise Maintenance that the tram
detector alarms require a "priority 1" job in RAI. |
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| DESIGNED BY: |
DARREN VAUGHAN |
DATE |
17/04/08 |
| G:\TMC
Opsheets\Pending\[7034.htm]Tram Notes 2 |
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