Siemens ST750 - Page 9

ST750 GENERAL HANDBOOK
667/HB/33750/000 Page 9 Issue 6
7. ROUTINE MAINTENANCE PROCEDURES................................................................................. 98
7.1 ROUTINE INSPECTION OF SIGNAL EQUIPMENT ................................................................... 98
7.2 ROUTINE INSPECTION AND ELECTRICAL TESTING OF ST750 ............................................ 98
7.3 ROUTINE SETUP CHECK ....................................................................................................... 100
7.4 REPLACEMENT OF PCBS ...................................................................................................... 100
7.4.1 SAFETY REQUIREMENTS ............................................................................................... 101
7.4.2 GENERAL REQUIREMENTS ............................................................................................ 101
7.4.3 ACCESS TO PCBS IN ST750 CABINET ASSEMBLY ....................................................... 101
7.4.4 ACCESS TO PCBS IN OTHER OUTERCASES ................................................................ 102
7.4.5 REPLACEMENT OF CPU PCB ......................................................................................... 102
7.4.6 REPLACEMENT OF POWER/PHASE ASSEMBLY .......................................................... 102
7.4.7 REPLACEMENT OF MANUAL PANEL PCB ..................................................................... 103
7.4.8 REPLACEMENT OF EXPANSION I/O OR OTU PCB ........................................................ 104
7.5 REPLACEMENT OF MAINS POWER SUPPLY UNIT .............................................................. 104
7.6 REPLACING OTHER COMPONENTS ..................................................................................... 104
8. SELF-TEST FACILITY .............................................................................................................. 106
APPENDIX A - PART NUMBERS AND SPARES LIST .................................................................. 112
A.1 – PART NUMBERS .................................................................................................................. 112
A.2 – SPARES LIST ....................................................................................................................... 113
A.2.1 – PCBS ............................................................................................................................. 113
A.2.2 – FUSES ........................................................................................................................... 114
A.2.3 – CABLES......................................................................................................................... 114
A.2.4 – OTHER SPARES ........................................................................................................... 114
A.3 - FUSE RATINGS AND POSITIONS ........................................................................................ 114
Table of Figures
Figure 1 –Theoretical Crossing ........................................................................................................ 25
Figure 2 – Ped Demand Processing ................................................................................................ 39
Figure 3 – ST750 in Small Outer Case with Detector Swing Frame ................................................. 43
Figure 4 – ST750 in Small Outer Case configured with optional 11” Swing Frame ........................... 44
Figure 5 – ST750 in Large Outer Case configured with optional 19” Swing Frame ........................... 45
Figure 6 – ST750 Rack Assembly.................................................................................................... 46
Figure 7 – CPU and Phase Driver Cards ......................................................................................... 47
Figure 8 – I.O Expansion Card ........................................................................................................ 47
Figure 9 - CPU LEDs ....................................................................................................................... 48
Figure 10 – Master Switch Assembly ............................................................................................... 49
Figure 11 – Mains Dimming Transformer......................................................................................... 50
Figure 12 – Manual Panel (full panel shown) ................................................................................... 51
Figure 13 – Single Detector Backplanes .......................................................................................... 51
Figure 14 – Detector Swing Frame .................................................................................................. 52
Figure 15 – Detectors in 11” Swing Frame ....................................................................................... 53
Figure 16 – Detectors in a 19” Swing Frame .................................................................................... 53
Figure 17 - 2A Detector Supply Kit .................................................................................................. 54
Figure 18 - Gemini in a Detector Swing Frame ................................................................................ 54
Figure 19 - Gemini in an 11" Swing Frame ...................................................................................... 55
Figure 20 - Gemini in a Large Outer Case ....................................................................................... 56
Figure 21 - Freestanding TC12 OTU in Small Outer Case ............................................................... 58
Figure 22 - Free Standing TC12 OTU in Large Outer Case ............................................................. 59
Figure 23 - Dimming Transformer Tap Selection ............................................................................. 62
Figure 24 - Stool Installation, Small Cabinet .................................................................................... 65
Figure 25 - Stool Installation, Large Cabinet .................................................................................... 67
Figure 26 - Termination of Armoured CAble to CET bar .................................................................. 69
Figure 27 - Allocation of Red Lamp Monitor Channels for ST750 Controllers without LV CLS (NLM)
monitoring ................................................................................................................................ 76