Specifications

ST900 Family General Handbook
667/HB/32900/000 Issue 12 Page 13 of 265
Figure 23 – Double SDE Layout ............................................................................ 115
Figure 24 – Triple SDE Layout ............................................................................... 116
Figure 25 – SA Layout ........................................................................................... 116
Figure 26 – Delay Phase Losing Right Of Way ..................................................... 123
Figure 27 – Delay Phase Gaining Right Of Way ................................................... 124
Figure 28 – Phase Compensation .......................................................................... 151
Figure 29 – Priority Demand Order ........................................................................ 156
Figure 30 – Two Delays Set For One Priority Unit ................................................. 158
Figure 31 – Simple Linked Installation (Morning Peak – Plan 0) ........................... 172
Figure 32 – Simple Linked Installation (Evening Peak – Plan 1) ........................... 173
Figure 33 – Example of VA Stage Changes ........................................................... 178
Figure 34 – Flashing Red Wig-Wag Signals ......................................................... 207
Figure 35 – Wig-Wag Signal Sequence ................................................................ 208
Figure 36 – Wig-Wag Phases and Sensors........................................................... 209
Figure 37 – Wig-Wag Red Lamp Faults ................................................................ 210
Figure 38 – Flashing Amber Wig-Wag Signal ....................................................... 211
Figure 39 – Intersection Manual Panel .................................................................. 217
Figure 40 – Stand-alone Pedestrian Controller Manual Panel .............................. 220
Figure 41 – First Red Lamp Failure Delays (Example 1) ....................................... 246
Figure 42 – First Red Lamp Failure Delays (Example 2) ....................................... 247
Figure 43 – Second Red Lamp Failure (Example 1) .............................................. 249
Figure 44 – Second Red Lamp Failure (Example 2) .............................................. 250
Figure 45 – Second Red Lamp Failure (Example 3) .............................................. 250
Figure 46 – RLM Approaches (External Sensors) ................................................. 252
Figure 47 – RLM Approaches (Additional Phases) ................................................ 252
Figure 48 – RLM Approaches (Different LSLS Outputs) ........................................ 253
Figure 49 – Ripple Change Example ..................................................................... 255
TABLES
Table 1 – I/O Card and Detector Backplanes (ST900) ............................................ 28
Table 2 – I/O Card and Detector Backplanes (ST900) (with IRM/IMU).................... 29
Table 3 – ST900 Lamp Load Per Aspect (Watts) .................................................... 30
Table 4 – ST900 Lamp Drive Capability .................................................................. 32
Table 5 – Selection of ST900 Dimming Transformer ............................................... 35
Table 6 – ST900 Detector PSU Selection ................................................................ 38
Table 7 – Size and Weight of ST900 ....................................................................... 40
Table 8 – LSLS Connections to two HPU ................................................................ 50
Table 9 – I/O Card and Detector Backplane (ST900 ELV) ...................................... 53
Table 10 – ST900 ELV Lamp Load (Watts) ............................................................. 55
Table 11 – ST900 ELV Lamp Drive Capability......................................................... 56
Table 12 – LSLS Output Capability .......................................................................... 57
Table 13 – ST900 ELV Current Capability ............................................................... 59
Table 14 – ST900 ELV Detector PSU Selection ...................................................... 62
Table 15 – ST900 ELV Detector Transformers ........................................................ 62
Table 16 – ST900 ELV Cable Lengths: 1.0mm
2
....................................................... 69
Table 17 – ST900 ELV Cable Lengths: 1.5mm
2
....................................................... 70
Table 18 – Size and Weight of ST900 ELV ............................................................. 71
Table 19 – ST900 Family Timings Summary ........................................................... 74
Table 20 – Summary of Pedestrian Phase Types .................................................... 96