Page 2 - MIDAS; Issue 7; Product Support; Keith Haskell
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 2 Issue 7 Product Support Technical Support is provided by STCL Engineering for the benefit of the Highways Agency and its installation and maintenance contractors. Technical Support is provided for the items included in the Installation, Com...
Page 3 - TABLE OF CONTENTS
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 3 Issue 7 TABLE OF CONTENTS 1. INTRODUCTION ....................................................................................................... 6 1.1 Purpose ...................................................................................
Page 5 - FIGURES
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 5 Issue 7 FIGURES FIGURE 1 - SYSTEM OVERVIEW........................................................................................................................... 11 FIGURE 2 - SYSTEM SCHEMATIC DIAGRAM ......................................
Page 6 - INTRODUCTION; when installing, commissioning and maintaining MIDAS equipment.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 6 Issue 7 1. INTRODUCTION 1.1 Purpose This Handbook contains the information needed to install and maintain the STCL MIDAS Outstation. In the interests of Health and Safety, when installing, using or servicing the equipment, the instructions ...
Page 8 - Abbreviations
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 8 Issue 7 1.4 Abbreviations COBS Control Office Base System CRC Cyclic Redundancy Check EMC Electro Magnetic Compatibility HDLC Higher level Data Link Control IDC Insulation Displacement Connector LCC Local Communications Controller MIDAS Mot...
Page 9 - SAFETY WARNING; PUNCTURE BATTERIES.; DO NOT; DISPOSE OF BATTERIES IN ANY FIRE.; Operational Warning
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 9 Issue 7 1.6 SAFETY WARNING In the interests of Health and Safety, when installing, using or servicing this equipment the following instructions must be noted and adhered to: i) Only skilled or instructed personnel with relevant technical kn...
Page 10 - EQUIPMENT DESCRIPTION
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 10 Issue 7 2. EQUIPMENT DESCRIPTION 2.1 Functionality MIDAS Outstations are physically located adjacent to motorways that have been equipped with inductive loops. Loop pairs are normally sited at 500m intervals along the carriageway. One pair...
Page 11 - Figure 1 - System Overview
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 11 Issue 7 COBS RS485 Link TPR-O/S Link 2 MIDAS LCC MIDAS TRANSPONDER MIDAS OUTSTATION Up to 10Inductiveloop pairs O/S Auxiliary Link TPR-O/S Link 1 LCC-TPR Link V.26 Link MIU MIDASTransponder orOutstation ENGINEER’S TERMINAL MIDAS LCC MIDAS ...
Page 12 - Power PC PCB; PSU; Figure 2 - System Schematic Diagram
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 12 Issue 7 20 Loops Power PC PCB Comms I/O PCB 20 detector & 20 faultBits from Detectors & 1Reset Bit to Detectors.(HC levels) + power 5 off LoopDetector PCBs backplane 2 x RS485 RS 485 LineProtectionModule PCB To Engineer’sTerminal 7...
Page 13 - Mains switch; LED; SIEMENS; Loop Detectors; POWER; Mains fuse; Reset switch; Figure 3 - Front Panels
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 13 Issue 7 Mains switch LED Enable switch SupplierLabel BatteryFuse BatteryIsolationSwitch SIEMENS Loop Detectors POWER PC COMMS I/O PRC ERR W/D FAIL RUN DIAG ENGTERM RESET RESET LOCALTRANSPONDERRS485 REMOTETPR-O/S LINKLOCAL ADDRESS PowerPC C...
Page 14 - Physical Arrangement; Battery; Power System
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 14 Issue 7 2.3 Physical Arrangement The MIDAS Outstation is mounted in a standard 19” equipment rack of 3U height, which provides a mounting frame and mechanical protection for all the hardware. All RS485 inputs to the MIDAS equipment are rou...
Page 15 - Cables
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 15 Issue 7 2.5 Cables The cables are connected as follows: Cable Connection Mains Via IEC320 connector on the front panel. See Section 3.7. RS485 Via Klippon block. See Section 3.2. Earths Refer to Section 3.5. Loops Refer to Section 3.4. Tab...
Page 17 - INSTALLATION
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 17 Issue 7 3. INSTALLATION 3.1 Physical Installation The Outstation is supplied fully assembled with the exception of the Address Header and the mains power cable. All the parts needed for an installation are contained within the packaging. L...
Page 18 - Terminal; Transponder - Outstation Link; Table 3 - RS485 Line Protection Connections
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 18 Issue 7 Terminal Block Position Link Function RS485 Polarity 1 Transponder - Outstation Link A 2 Transponder - Outstation Link B 3 Outstation Auxiliary Link A 4 Outstation Auxiliary Link B 5 - 12 Not used - Table 3 - RS485 Line Protection ...
Page 19 - Loop Detector Leads; Connect the pairs of loop leads according to the following table:; Figure 5 - Detector Backplane
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 19 Issue 7 3.4 Loop Detector Leads The loop connection leads are supplied as a single cableform with 3 off Berg headers on the ‘outstation’ end and 4 off Klippon block at the ‘loop feeder’ end. Note that the Klippon blocks are not identical -...
Page 20 - Address Header; Figure 6 - Address Header
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 20 Issue 7 3.6 Address Header This sets the address of the unit in binary. Cover Removed Figure 6 - Address Header 3.6.1 Programming the Address Header Dismantle the unit by removing the two front cover screws, and cut the links where appropr...
Page 21 - Connect Mains Lead to PDU
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 21 Issue 7 3.7 Connect Mains Lead to PDU Ensure the mains power to the cabinet is turned off before starting to connect the power lead. Connect the mains lead in accordance with Highways Agency drawings MCX 0156 sheets 1 and 2. The PDU is loc...
Page 22 - COMMISSIONING; Turn the power on at the main switch.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 22 Issue 7 4. COMMISSIONING Commissioning may be performed either with connection to the instation via a Transponder or by use of a suitable simulator. The simulator must provide an RS485 connection and is connected to the Outstation in place...
Page 23 - Configure the Loop Sensitivities
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 23 Issue 7 4.3 Configure the Loop Sensitivities • When the traffic flow is dense it may be necessary to switch off all but the pair of channels to be tested by using the sensitivity switches on the loop cards (See Table 6 below). If the chann...
Page 24 - Final Checks; Check the Outstation address is correct for the location.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 24 Issue 7 4.4 Final Checks • If the Outstation is working correctly, no faults will appear in the Fault Report. • Check the Outstation address is correct for the location. • Make sure the TPR-O/S link switch is set to REMOTE unless a local l...
Page 25 - MAINTENANCE
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 25 Issue 7 5. MAINTENANCE Before undertaking any maintenance of the equipment, read the Safety Instructions in Section 1.6. When maintenance and refitting is carried out on other equipment within the cabinet, it may be necessary to move MIDAS...
Page 26 - Fault Finding
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 26 Issue 7 5.3 Fault Finding Listed below are the main faults that might be reported by Outstations. If any fault is reported which is not listed below, or a fault persists after trying the remedy(ies) suggested, consult STCL (see page 2 for ...
Page 27 - Symptom
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 27 Issue 7 Symptom Diagnosis Remedy The Mains is disconnected. Check that the mains is connected. The Mains has failed. Check the mains fuse. Check the mains supply. DO NOT reset the Outstation. See Section 5.4. The PSU has failed. The PSU ou...
Page 28 - Reset; only be restarted with mains present.; Fitting and Replacement Procedures
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 28 Issue 7 5.4 Reset Note: Do Not carry out a manual reset during a mains fail, as the equipment will shut down. It can only be restarted with mains present. To carry out a reset of the Outstation, locate the two buttons marked “Reset” on the...
Page 29 - Default Setting
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 29 Issue 7 5.5.1 Default Settings The following table shows the default settings for the various items of equipment. It is important to ensure that the equipment uses the settings detailed below when installed. Default Setting Meaning Power P...
Page 32 - Location
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 32 Issue 7 5.5.7 RS485 Line Protection Module PCB This module protects the equipment against induced voltage transient and excessive line voltages/currents. The fuses will blow if excessive currents are coupled into the lines. It is unlikely ...
Page 33 - USE OF THE STCL ENGINEER’S TERMINAL; only; Figure 7 - Initial Screen
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 33 Issue 7 6. USE OF THE STCL ENGINEER’S TERMINAL 6.1 General Note: The following section applies only to the use of an STCL Engineer’s Terminal. This section assumes that the user is familiar with Windows software and terminology. Plug the...
Page 34 - Configure
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 34 Issue 7 • FR - Fault Report • LR - Logging Report • BS - Baud Speed • AM - About Midas These options are described in detail later in this section. There is a status bar at the bottom of the window. On the left hand side there is a summary...
Page 35 - Figure 9 - Configure Baud Rate Dialog Box
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 35 Issue 7 6.2.1 Configure Baud Rate Choose from 9600, 4800 or 2400 baud speed for the Engineer’s Terminal to communicate with the Outstation. Click on the <OK> button to confirm the entry and close the window. <Cancel> closes the...
Page 36 - Figure 11 - Extended Status Data Dialog Box
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 36 Issue 7 6.3.1 Extended Status This facility displays a view-only dialog box with the data taken from the Extended Status Reply message. Click on the <OK> button to close the window. Figure 11 - Extended Status Data Dialog Box
Page 37 - Dialog Box Field; – FFCFFFFF; Table 10 - Extended Status Data Details; nnnn nnnn nn 00 nnnn nnnn nnnn nnnn nnnn
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 37 Issue 7 Dialog Box Field Possible Data Explanation Outstation Mode Initialisation, Normal or Reserved mode Current mode of Outstation Transponder Link Re-established or OK Transitory indication – do not use. Exception Exception reported or...
Page 38 - Figure 12 - Device Modification Dialog Box; Number; Table 11 - Device Modification Details
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 38 Issue 7 6.3.2 Device Modification This facility displays a view-only dialog box with the data obtained from the Device Modification Reply message. Click on the <OK> button to close the window. Figure 12 - Device Modification Dialog B...
Page 39 - Report
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 39 Issue 7 6.4 Report Figure 14 - Report Menu Option 6.4.1 Fault Report This facility displays a view-only dialog box with the data obtained from the Fault Report message. Click on the <OK> button to close the window. Click on the <S...
Page 40 - Figure 15 - Fault Report Dialog Box; or; Table 12 - Fault Report Details
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 40 Issue 7 Figure 15 - Fault Report Dialog Box Dialog Box Field Possible Data Explanation Time 0-23 for hours, 0-59 for minutes, 0-59 for seconds Time the fault or clearance of fault occurred Fault Type Text Name of the fault. See Section 5.3...
Page 41 - Logging
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 41 Issue 7 6.5 Logging Figure 16 - Logging Menu Option 6.5.1 Logging This facility first displays a dialog box as shown in Figure 17. The data to be displayed can be enabled or disabled, by clicking on the required check box(es). When a chang...
Page 42 - Figure 18 - Logging Report Dialog Box
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 42 Issue 7 The <Resume> button in the Logging box starts the scrolling of messages in the window again. In the dialog box shown below, the first message is a MIDAS Alert and all the others are vehicle data messages. Figure 18 - Logging ...
Page 44 - Figure 20 - Baud Speed Dialog Box
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 44 Issue 7 6.6.1 Baud Speed This facility displays a dialog box with the data obtained from the Baud Rate Reply message. The data can be changed, by clicking on the required radio buttons. Click on the <OK> button to close the window, r...
Page 45 - Help
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 45 Issue 7 6.7 Help Figure 21 - Help Menu Option 6.7.1 About MIDAS... This facility displays a view-only dialog box with the data obtained from the “About” message. Click on the <OK> button to close the window. Figure 22 - About MIDAS D...
Page 46 - Exit; This facility exits the application.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 46 Issue 7 6.8 Exit Figure 23 - Exit Menu Option 6.8.1 Quit This facility exits the application. Outstation
Page 48 - Data Rates
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 48 Issue 7 7.7 Data Rates Standard rates 2400, 4800, 9600. Other rates programmable up to 38,400. 7.8 Battery Backup Lead acid battery support - 20 hour operation. SRAM memory support - 1 year. 7.9 Lightning Protection Meets the requirements ...
Page 49 - Loop Detectors
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 49 Issue 7 PC end9 way socket O/S end9 way plug 1 5 6 9 6 9 1 5 DTR CTS RTS DSR GND TX RX Figure 24 - Wiring Diagram for Engineer's Terminal to Outstation cable The part number of the software for the Engineer’s Terminal is 667/1/26752/000. 7...
Page 50 - APPENDIX A - TECHNICAL DRAWINGS
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 50 Issue 7 APPENDIX A - TECHNICAL DRAWINGS This Appendix contains the following drawings: 667/GA/26767/000 MIDAS Outstation 667/GA/26775/ETC Detector Loop Cable Assembly 667/GA/26771/ETC Comms I/O PCB Kit 667/DA/26771/ETC Comms I/O Circuit Di...
Page 51 - APPENDIX B - PARTS LISTS; This Appendix is split into two sections.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 51 Issue 7 APPENDIX B - PARTS LISTS This Appendix contains parts lists and drawing information for the Siemens MIDAS Outstation. A hierarchical breakdown of the main components is given in the form of a tree structure. References to technical...
Page 52 - APPENDIX C - PART NUMBERS; Equipment Description
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 52 Issue 7 APPENDIX C - PART NUMBERS Equipment Description Part No Address Header 667/1/26774/000 Battery Backup fuse 518/4/90285/007 Comms I/O PCB Kit 667/1/26747/000 Line Protection Module fuse 518/4/90284/005 Loop Detector PCB 667/1/26758/...
Page 53 - APPENDIX D - INITIALISATION SIMULATOR SCRIPT; where MIDEQUIP.EXE and OSINI.SRC are in the current directory.
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 53 Issue 7 APPENDIX D - INITIALISATION SIMULATOR SCRIPT The following text file, stored as OSINI.SCR will initialise the Outstation. Run from the DOS prompt with: MIDEQUIP OSINI.SCR where MIDEQUIP.EXE and OSINI.SRC are in the current director...
Page 55 - INDEX
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 55 Issue 7 INDEX —A— About MIDAS... ................................................................ 45 Address .............................................................................. 34 Link Values .......................................
Page 56 - Last page of the Midas Outstation System Handbook
MIDAS O UTSTATION S YSTEM H ANDBOOK 667/HB/26767/ETC Page 56 Issue 7 —O— Overview ........................................................................... 10 —P— Part Numbers ..................................................................... 52 Parts lists ........................................
