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ST750 GENERAL HANDBOOK

667/HB/33750/000 Page 116 Issue 6

LAST PAGE OF THE

ST750 GENERAL HANDBOOK

Main Page

Table of Contents7
Introduction11
Purpose of this Handbook11
Contact Us11
Reference Documents11
Non-Essential Documents - Intersection Design11
Essential Documents - Controller11
Essential Documents - Cabling12
Essential Documents - Ancillary Equipment12
Pre-Requisites12
Qualifications12
Required Tools13
Definitions13
Abbreviations14
Specification16
Equipment Introduction16
Single Pedestrian Controller17
Dual Pedestrian Controller17
Small Non-Uk Controller17
Controller Expansion17
Types of Pedestrian Controller18
Differences between the St750 and the St70018
Spares Compatibility between the St750 and St70020
Basic System Overview20
Mains Supply21
Electrical Noise22
Determination of Loading and Power Consumption22
St750 Supply Requirements23
Lamp Drive Capability23
Table 1 - ST750 Supply Requirements23
Table 2 - ST750 Lamp Drive Capability23
Table 3 - ST750 Lamp Load (Watts)24
Table 4 - Detector Power Consumption24
Calculation of Average Signal Lamp Power25
Intersection's Power Requirements for Running Costs Estimate25
Figure 1 -Theoretical Crossing25
Connection to Un-Metered Supplies (Ums)26
Detector Power Supplies27
Audible and Tactile Supplies27
Phases28
Stages28
Timings28
Tolerance29
Master Time Clock and Clf Summary29
Modes of Operation30
Cabinet Characteristics31
Environmental31
Temperature31
Table 5 - ST750 Cabinet Assembly Size and Weight31
Atmospheric32
Humidity32
Pedestrian Facilities33
Types of Pedestrian Crossings33
Pelican Crossing33
Near Sided Pedestrian Crossing33
Far Sided Pedestrian Crossing34
On-Crossing Detectors35
Pedestrian Modes of Operation36
Fixed Vehicle Period36
Vehicle Actuated36
Vehicle Actuated with Pre-Timed Maximum (Ptm)37
Linked Operation37
Pedestrian Demand Control38
Introduction38
Figure 2 - Ped Demand Processing38
Pedestrian Demand Acceptance40
Pedestrian Demand Delay (Pdd)40
Pedestrian Demand Cancel (Pdx)41
Kerbside Detector (Mat) Testing41
Hardware Overview43
Cabinet Options43
Figure 3 - ST750 in Small Outer Case with Detector Swing Frame43
Figure 4 - ST750 in Small Outer Case Configured with Optional 11" Swing Frame44
Figure 5 - ST750 in Large Outer Case Configured with Optional 19" Swing Frame45
The St750 Rack Assembly46
Figure 6 - ST750 Rack Assembly46
Figure 7 - CPU and Phase Driver Cards47
Figure 8 - I.O Expansion Card47
St750 Cpu Leds48
Status Led Group48
Figure 9 - CPU Leds48
Signal Led Group49
Master Switch Assembly49
Figure 10 - Master Switch Assembly49
Fuses50
Mains Dimming Transformer50
Manual Panel50
Figure 11 - Mains Dimming Transformer50
Detector Mounting51
Detector Back Plane in Small Outer Case51
Figure 12 - Manual Panel (Full Panel Shown)51
Figure 13 - Single Detector Backplanes51
Figure 14 - Detector Swing Frame52
Detector Back Planes in Large Outer Case53
Detector Supply Kit53
Figure 15 - Detectors in 11" Swing Frame53
Figure 16 - Detectors in a 19" Swing Frame53
Gemini54
In Small Outer Case54
Figure 17 - 2A Detector Supply Kit54
Figure 18 - Gemini in a Detector Swing Frame54
Gemini in Large Outer Case55
Figure 19 - Gemini in an 11" Swing Frame55
Figure 20 - Gemini in a Large Outer Case56
Tc12 Otu57
Integral Tc12 Otu in Small or Large Outer Cases57
Free Standing Tc12 Otu in Small Outer Case57
Figure 21 - Freestanding TC12 OTU in Small Outer Case58
Freestanding Tc12 Otu in a Large Outer Case59
Figure 22 - Free Standing TC12 OTU in Large Outer Case59
Sde/Sa60
Installation and Commissioning61
Pre-Installation Checks61
Hardware Check61
Dimming Transformer Tap Setting61
St750 Cabinet Preparation62
Site Suitability62
Figure 23 - Dimming Transformer Tap Selection62
Installation of the St750 Small Cabinet63
Install Controller Cabinet and Stool64
Installation of the St750 Large Cabinet65
Figure 24 - Stool Installation, Small Cabinet65
Remove the Controller Cabinet from the Stool66
Install the Stool66
Cabling to the St750 Small and Large Cabinets67
Figure 25 - Stool Installation, Large Cabinet67
On Site Cable Testing69
Figure 26 - Termination of Armoured Cable to CET Bar69
Fit the Cabinet to the Stool70
Back Fill and In-Fill the Stool70
Sealing the Base of the Controller Outer Case70
Cable Routing & Termination71
Phase Drive Pcb Terminal Blocks72
Table 6 - Phase Drive PL6 Connector72
Table 7 - Phase Drive PL7 Connector73
Table 8 - Phase Drive PL8 Connector for ST750 Phase Driver PCB (6 Phase)74
Figure 27 - Allocation of Red Lamp Monitor Channels for ST750 Controllers Without LV CLS (NLM) Monitoring76
Figure 28 - Allocation of Red Lamp Monitor Channels for ST750LED Controllers with LV CLS (NLM) Monitoring77
Table 9 - Phase Drive SK1 Connector78
Table 10 - Phase Drive PL1 Connector78
Table 11 - Phase Drive SK2 Connector no Dimming79
Table 12 - Phase Drive SK2 48V Dimming Connections79
Figure 29 - Dimming Transformer Tap Selection80
Table 13 - Phase Drive PL5 Connector80
Figure 30 - Connector PL581
St750 Cpu Pcb Terminal Blocks82
Table 14 - Processor Card PL3 Connector83
Figure 31 - Connector PL384
Table 15 - Processor Card PL7 Connector84
Figure 32 - Connector PL785
Table 16 - Processor Card PL2 Connector85
Figure 33 - Connector PL286
Table 17 - Processor Card PL6 Connector86
Regulatory Signs Monitoring87
Pcb Switches, Fuses, Links and Firmware87
Figure 34 - Connector PL687
Cpu Pcb Switch and Link Setup88
Figure 35 - CPU PCB88
Figure 36 - Flash Rate Settings89
Figure 37 - Phase Output Flash Selection90
Figure 38 - Relay Output Resistance Selection90
Phase Drive Pcb Switches, Links and Fuses Setup91
Figure 39 - ST750 Phase Drive PCB Assembly91
Refitting the Lid93
On-Site St750 Testing93
Figure 40 - Links LK1 to LK493
St750 Start-Up Sequence95
Common Returns for Push Button96
Common Returns for Detectors96
Fitting the St750 Rack Assembly into Alternative Cabinets97
Routine Maintenance Procedures98
Routine Inspection of Signal Equipment98
Routine Inspection and Electrical Testing of St75098
Routine Setup Check100
Replacement of Pcbs100
Safety Requirements101
General Requirements101
Access to Pcbs in St750 Cabinet Assembly101
Access to Pcbs in Other Outercases102
Replacement of Cpu Pcb102
Replacement of Power/Phase Assembly102
Replacement of Manual Panel Pcb103
Replacement of Expansion I/O or Otu Pcb104
Replacement of Mains Power Supply Unit104
Replacing Other Components104
Self-Test Facility106
Figure 41 - Handset107
Appendix A - Part Numbers and Spares List112
Part Numbers112
Spares List113
Pcbs113
Fuses114
Cables114
Other Spares114
Fuse Ratings and Positions114
Figure 42 - Fuse Ratings115
Last Page116

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