Specifications

ST900 Family General Handbook
667/HB/32900/000 Issue 12 Page 10 of 265
19 MANUAL STEP-ON MODE .............................................................................. 165
19.1 Introduction ............................................................................................... 165
19.2 Description ................................................................................................ 165
19.3 Manual Step-On Mode Parallel Stage Streaming Facilities ...................... 166
20 SELECTED FIXED TIME, CLF OR VA MODE ................................................. 167
21 CABLELESS LINKING FACILITY (CLF) MODE .............................................. 168
21.1 CLF Introduction ....................................................................................... 168
21.2 Plan and Group Organisation ................................................................... 168
21.3 Group Influences ...................................................................................... 169
21.4 The Base Time CLF System ..................................................................... 170
21.5 Non Base Time CLF System .................................................................... 172
21.6 Offset Times and Linked Installations ....................................................... 172
21.7 CLF Parallel Stage Streaming Facilities ................................................... 176
21.8 Quicker Plan Synchronisation .................................................................. 176
21.9 Synchronisation of Cableless Linking Equipment ..................................... 177
22 VEHICLE ACTUATED (VA) MODE .................................................................. 178
22.1 A Vehicle Actuated Example..................................................................... 178
22.2 Green-Arrow Restrictions on Vehicle Actuated Mode .............................. 181
22.3 Arterial Reversion ..................................................................................... 182
22.4 Vehicle Actuated Parallel Stage Streaming Facilities ............................... 183
23 FIXED TIME WORKING MODE ........................................................................ 184
23.1 Fixed Time Mode ...................................................................................... 184
23.2 Fixed Time to Current Maximums ............................................................. 184
23.3 Fixed Vehicle Period (FVP) Mode ............................................................ 185
23.4 Fixed Time Parallel Stage Streaming Facilities ........................................ 185
24 STAGE MOVEMENT RESTRICTIONS ............................................................ 187
24.1 Prohibited Moves ...................................................................................... 188
24.2 Alternative Moves ..................................................................................... 188
24.3 Ignore Moves ............................................................................................ 188
24.4 Permitted Moves ....................................................................................... 189
24.5 Prevented Stages/Phases ........................................................................ 189
24.6 Cross Inhibit Linking ................................................................................. 189
25 MASTER TIME CLOCK SYSTEM .................................................................... 191
25.1 Introduction ............................................................................................... 191
25.2 Real Time Clock (RTC)............................................................................. 191
25.3 Timetable Resolution ................................................................................ 192
25.4 Daylight Saving ......................................................................................... 192
25.5 Minute Pulse ............................................................................................. 192
25.6 GPS Clock Kit ........................................................................................... 192
26 THE EVENT TIMETABLE ................................................................................ 194
26.1 Plan Change/Event Timetable .................................................................. 194
26.2 Cableless Link Plans ................................................................................ 194
26.3 Switch Function Setting ............................................................................ 195
26.4 Time Switch Event Default States............................................................. 197
26.5 Holiday Clock ............................................................................................ 198