Specifications

ST900 Family General Handbook
667/HB/32900/000 Issue 12 Page 11 of 265
27 LINKING ........................................................................................................... 201
27.1 Repeat Pulses .......................................................................................... 201
27.2 OTU Linking .............................................................................................. 201
27.3 Local Linking............................................................................................. 201
28 ALTERNATIVE SIGNAL SEQUENCES AND FLASHING SIGNALS ............... 203
28.1 Alternative Signal Sequences (Non UK Only) .......................................... 203
28.2 Alternative Start-Up Sequences ............................................................... 204
28.3 Flashing Signals ....................................................................................... 204
28.4 Non UK Signal Sequences ....................................................................... 205
28.5 Wig Wag Signals ...................................................................................... 207
29 INPUTS AND OUTPUTS .................................................................................. 212
29.1 Inputs (I/P) ................................................................................................ 212
29.2 Outputs (O/P)............................................................................................ 212
29.3 Logic Conditions ....................................................................................... 212
29.4 Ports ......................................................................................................... 213
29.5 Port Allocation .......................................................................................... 213
29.6 Detector Fault Monitoring (DFM) .............................................................. 213
29.7 Uni-Directional (U/D) Facility .................................................................... 215
29.8 Signal Dimming ......................................................................................... 216
30 MANUAL PANEL ............................................................................................. 217
30.1 Standard Facilities (Intersection Controller) ............................................. 217
30.2 Stand-alone Pedestrian Controller Manual Panel .................................... 220
30.3 Hong Kong Internal Manual Panel ............................................................ 222
30.4 Extra Facilities .......................................................................................... 222
31 SPECIAL CONDITIONING ............................................................................... 223
31.1 Introduction ............................................................................................... 223
31.2 Special Conditioning Operators ................................................................ 223
31.3 Special Conditioning Examples ................................................................ 223
31.4 Reading Controller Timers ........................................................................ 224
31.5 Special Conditioning Libraries .................................................................. 224
32 ON STREET CONFIGURATION ...................................................................... 225
32.1 Introduction ............................................................................................... 225
32.2 On-Street Configurable Items ................................................................... 225
32.3 Fixed Items and Notes .............................................................................. 226
33 HARDWARE CHECKS ..................................................................................... 227
33.1 Monitoring the Signals .............................................................................. 227
33.2 Correspondence Monitoring – Greens ..................................................... 231
33.3 Correspondence Monitoring – Reds / Ambers .......................................... 231
33.4 Monitor Validation (ST900 and ST900 ELV) ............................................ 231
33.5 Lamp Supply Checks ................................................................................ 232
33.6 Secondary Processor ............................................................................... 232
34 HARDWARE FAIL FLASHING FACILITY (NON UK ONLY) ........................... 234
34.1 ST900 Controller ...................................................................................... 234
34.2 ST900 ELV Controller ............................................................................... 234