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Ansaldo STS Microlok II Startup, Troubleshooting, And Maintenance

Integrated vital interlocking, coded track circuit, and non-vital code line controller
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UNION SWITCH & SIGNAL
1000 TECHNOLOGY DRIVE
PITTSBURGH, PA 15219-3120
Troubleshooting, and Maintenance
Integrated Vital Interlocking, Coded Track
Circuit, and Non-vital Code Line Controller
THIS DOCUMENT AND ITS CONTENTS ARE THE PROPERTY OF UNION SWITCH & SIGNAL INC.
(HEREINAFTER US&S®) FURNISHED TO YOU ON THE FOLLOWING CONDITIONS: NO RIGHT
OR LICENSE IN RESPECT TO THIS DOCUMENT OR ITS CONTENTS IS GIVEN OR WAIVED IN
SUPPLYING THE DOCUMENT TO YOU. THIS DOCUMENT OR ITS CONTENTS ARE NOT TO BE
USED OR TREATED IN ANY MANNER INCONSISTENT WITH THE RIGHTS OF US&S AND ARE
NOT TO BE COPIED, REPRODUCED, DISCLOSED TO OTHERS OR DISPOSED OF EXCEPT WITH
THE PRIOR WRITTEN CONSENT OF US&S.
©
COPYRIGHT
2000 Union Switch & Signal Inc. All Rights Reserved.
PRINTED IN USA
Microlok
II System Startup,
Microlok
II
SM-6800C
September 2000
Revision Number: 2.5

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Summary of Contents for Ansaldo STS Microlok II

  • Page 1 UNION SWITCH & SIGNAL SM-6800C 1000 TECHNOLOGY DRIVE PITTSBURGH, PA 15219-3120 Microlok II System Startup,  Troubleshooting, and Maintenance Microlok  Integrated Vital Interlocking, Coded Track Circuit, and Non-vital Code Line Controller THIS DOCUMENT AND ITS CONTENTS ARE THE PROPERTY OF UNION SWITCH & SIGNAL INC. (HEREINAFTER US&S®) FURNISHED TO YOU ON THE FOLLOWING CONDITIONS: NO RIGHT OR LICENSE IN RESPECT TO THIS DOCUMENT OR ITS CONTENTS IS GIVEN OR WAIVED IN SUPPLYING THE DOCUMENT TO YOU.
  • Page 3 NOTE This manual displays the most recent revision number for its information. Manuals distributed with revision number of 2.1 or less (or without a revision number) do not contain the most up-to-date Microlok II information.
  • Page 4 REVISION INDEX Revised pages of this manual are listed by page number and date of revision. On the revised page, a vertical bar in the margin denotes revised material. Page Number Revision Date Page Number Revision Date 2-11 09-00 4-42 09-00 3-13 09-00...
  • Page 5 Introduction....................1-1 Chapter 2 System Cardfile Controls and Indications...........2-1 Chapter 3 Microlok II CPU Board Front Panel Operations.........3-1 Chapter 4 Using the Microlok II Maintenance Tools Program ........4-1 Chapter 5 System Startup ....................5-1 Chapter 6 System Configuration and Testing..............6-1 Chapter 7 System Troubleshooting and Recovery............7-1...
  • Page 6 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance September 2000 SM-6800C Rev. 2.5...
  • Page 7 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 1 CONTENTS INTRODUCTION....................1-1 OVERVIEW OF THE MANUAL......................1-1 R.A.I.L. TEAM AND TECHNICAL SUPPORT ..................1-2 SM-6800C Rev. 2.5 September 2000...
  • Page 8 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 1-ii September 2000 SM-6800C Rev. 2.5...

  • Page 9: Chapter 1 Introduction

    • Chapter 3 provides procedures for using the front panel controls on the Microlok II system CPU board. This section also discusses the menu structures associated with the CPU board and the methods used to interpret the data provided by the CPU board front panel indications.
  • Page 10 Thus, any chapter can be used as a quick reference to the information indicated by the section title. However, the chapters also organized to provide a logical learning sequence. To gain an overall understanding of the Microlok II system, read the chapters in the order presented.

  • Page 11: Table Of Contents

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 2 CONTENTS SYSTEM CARDFILE CONTROLS AND INDICATIONS........2-1 CPU PRINTED CIRCUIT BOARD (Figure 2-1) ................... 2-1 VITAL INPUT PRINTED CIRCUIT BOARD (Figure 2-2) ..............2-3 STANDARD VITAL OUTPUT PRINTED CIRCUIT BOARDS (Figure 2-2) ........2-3 MIXED VITAL I/O PRINTED CIRCUIT BOARDS (Figure 2-3) ............
  • Page 12 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 2-ii September 2000 SM-6800C Rev. 2.5...

  • Page 13: Cpu Printed Circuit Board (Figure 2-1)

    UNION SWITCH & SIGNAL 2. SYSTEM CARDFILE CONTROLS AND INDICATIONS Before you can set up and configure the Microlok II system, you should become familiar with the front panel controls and indications associated with the Microlok II system printed circuit boards.
  • Page 14 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance ABCD 1 2 3 4 ON-LINE VPP ON RESET RESET ADJUST DOWN ACTION ACCEPT DOWN REJECT 68332 RS-232 Figure 2-1. CPU PCB Front Panel Layout September 2000 SM-6800C Rev. 2.5...

  • Page 15: Vital Input Printed Circuit Board (Figure 2-2)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL VITAL INPUT PRINTED CIRCUIT BOARD (Figure 2-2) Fig. 2-2 Ref Label Device Purpose green LEDs Monitor state of vital inputs 1 through 8. When lit, indicates IN1 - IN8 respective input is turned on.
  • Page 16 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance IN 1 OUT 1 IN 2 OUT 2 IN 3 OUT 3 IN 4 OUT 4 IN 5 OUT 5 IN 6 OUT 6 IN 7 OUT 7 IN 8...

  • Page 17: Mixed Vital I/O Printed Circuit Boards (Figure 2-3)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL MIXED VITAL I/O PRINTED CIRCUIT BOARDS (Figure 2-3) Fig. 2-3 Ref Label Device Purpose green LEDs Monitor state of vital inputs 1 through 8. When lit, IN1 - IN8 indicates respective input is turned on.
  • Page 18 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance OUTPUTS IN 1 IN 2 IN 3 IN 4 IN 5 IN 6 IN 7 IN 8 OUT 1 OUT 2 OUT 3 OUT 4 OUT 5 OUT 6...
  • Page 19 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL INPUTS OUTPUTS NV.OUT32 NV.IN32 Figure 2-4. Non-vital, isolated Input and Output PCBs SM-6800C Rev. 2.5 September 2000...
  • Page 20 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance EXTERNAL EXTERNAL INPUTS INPUTS REMOTE UNION SWITCH & SIGNAL UNION SWITCH & SIGNAL MADE IN USA MADE IN USA N17002901 w/key N17002902 w/o key Figure 2-5. LCP panels for non-vital, isolated NV.IN32.OUT16 PCB...

  • Page 21: Lamp Driver Printed Circuit Board (Figure 2-6)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL LAMP DRIVER PRINTED CIRCUIT BOARD (Figure 2-6) Fig. 2-6 Ref Label Device Purpose yellow LEDs Monitors vital lamp driver outputs 1 through 8. When lit, 1 - 8 indicates respective lamp output is on.
  • Page 22 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance INPUTS OUTPUTS SWITCHED TO N12 LAMP 16 NV.IN32 .0UT32 Figure 2-6. Vital Lamp Driver and Non-Vital I/O PCBs - Front Panel Layouts 2-10 September 2000 SM-6800C Rev. 2.5...

  • Page 23: Code System Interface Pcb (Figure 2-7)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.10 CODE SYSTEM INTERFACE PCB (Figure 2-7) Fig. 2-7 Ref Label Device Purpose (none) 4-character alpha- Displays on-unit configuration menu and options. numeric LED display red LED Flashes when serial port 1 is receiving data.
  • Page 24 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance PORT1 RXD PORT2 RXD MSTR RXD DIAG RXD SLV DATA SLV XMT SLV ADDR SLV ERR MSTR DTA MSTR XMT MSTR ERR DIAG ERR RESET WATCHDOG DELIVER CSIB SELECT...

  • Page 25: Coded Track Circuit Printed Circuit Boards (Figure 2-8)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.11 CODED TRACK CIRCUIT PRINTED CIRCUIT BOARDS (Figure 2-8) Fig. 2-8 Ref Label Device Purpose red LED When flashing, indicates Master track circuit “+” code TRACK SIGNALS + pulse (alternating with − − − − LED).
  • Page 26 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance TRACK SIGNALS RECEIVE VALID MESSAGE RECEIVED MASTER TRACK SIGNALS RECEIVE VALID MESSAGE RECEIVED SLAVE TRACK N451910- 0701 Figure 2-8. Coded Track Circuit PCB - Front Panel Layout 2-14 September 2000 SM-6800C Rev.

  • Page 27: 75/120/180 Coder Output Printed Circuit Boards (Figure 2-9)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.12 75/120/180 CODER OUTPUT PRINTED CIRCUIT BOARDS (Figure 2-9) Fig. 2-9 Ref Label Device Purpose green LEDs When lit, indicates cab signal code rate in CODE RATES effect (CPM).
  • Page 28 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance CODE CODE RATES GROUP 2 CODE GROUP 1 FLASHING CODE RATE OUTPUTS OUT 3 OUT 4 DIRECTION EAST WEST STEADY CARRIER EAST WEST CODER 50 CPM OUTPUT CODER N451910...

  • Page 29: 60/100 Hz Cab Amplifier Printed Circuit Board (Figure 2-10)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.14 60/100 HZ CAB AMPLIFIER PRINTED CIRCUIT BOARD (Figure 2-10) Fig. 2-10 Ref Label Device Purpose green LED When lit (flashing or steady), indicates TRANSMIT transmission of coded cab signal to the associated cab signal interface panel.
  • Page 30 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance TRANSMIT TRANSMIT 40/50 HZ CURRENT CURRENT LIMITER LIMITER AMPLIFIER AMPLIFIER N451910 N451910 -6401 -6901 Figure 2-10. 60/100 and 40/50 Hz Cab Amplifier PCBs - Front Panel Layouts 2-18 September 2000 SM-6800C Rev.

  • Page 31: Power Supply Printed Circuit Board N16660301 (Figure 2-11)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.16 POWER SUPPLY PRINTED CIRCUIT BOARD N16660301 (Figure 2-11) Fig. 2-11 Ref Label Device Purpose LED (green) When lit, indicates 5V operating power on to other 5V ON cardfile PCBs.
  • Page 32 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 5V ON VCOR POWER SUPPLY Figure 2-11. Power Supply PCB N16660301- Front Panel Layout 2-20 September 2000 SM-6800C Rev. 2.5...

  • Page 33: Local Control Panel And Power Supply N16600301 (Figure 2-12)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 2.17 LOCAL CONTROL PANEL AND POWER SUPPLY N16600301 (Figure 2-12) Fig. 2-12 Ref. Label Device Purpose (None) red LEDs Provides three non-vital output monitoring indicators as required by application (outputs 21, 22, 23).
  • Page 34 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 5V ON VCOR NORM LOCKED SIGNAL SIGNAL STOP STOP NORMAL CLEAR REVERSE CLEAR NORM LOCKED SIGNAL SIGNAL NORMAL STOP STOP REVERSE CLEAR CLEAR REMOTE INDICATIONS LOCAL CONTROL POWER SUPPLY...
  • Page 35 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL When writing an application program and using the local control panel, you must match the LEDs and switches to the I/O definitions in the program. The following illustration shows the I/O definition for each I/O point.
  • Page 36 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 2-24 September 2000 SM-6800C Rev. 2.5...
  • Page 37 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 3 CONTENTS MICROLOK II CPU BOARD FRONT PANEL OPERATIONS ......3-1 INTRODUCTION ............................. 3-1 NAVIGATING THE RESET AND ON-LINE MENUS................. 3-3 RESET MENU FUNCTIONS ........................3-5 3.3.1 View System Log Menu........................3-6 3.3.2...
  • Page 38 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance September 2000 SM-6800C Rev. 2.5...

  • Page 39: Microlok Ii Cpu Board Front Panel Operations

    CPS down mode, the configuration mode, and the reset mode: • The on-line mode is the normal mode of CPU operation. In this mode, the Microlok II CPU actively controls all processes associated with an interlocking, including vital and non-vital discrete I/O monitoring and generation, cab code signal generation, and coded/OS track circuit monitoring.
  • Page 40 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance ABCD 1 2 3 4 ON-LINE VPP ON RESET RESET ADJUST DOWN ACTION ACCEPT DOWN REJECT 68332 RS-232 Figure 3-1. CPU Board Front Panel Layout September 2000 SM-6800C Rev. 2.5...

  • Page 41: Navigating The Reset And On-Line Menus

    • The primary purpose of the reset mode is to reset the VCOR relay and the Microlok II system software following the occurrence of a CPS trip. This mode also provides access to the event and error logs and some hardware configuration functions.
  • Page 42 • The shaded option boxes are the only menu options that require either an adjustment (up or down, primarily) or an LAMP action intervention (accept or reject). DONE Figure 3-2. Microlok II CPU Board Reset Menu September 2000 SM-6800C Rev. 2.5...

  • Page 43: Reset Menu Functions

    RESET MENU FUNCTIONS The reset menu (Figure 3-2) is used to reset the Microlok II system following a conditional power supply trip. This menu provides access to the system event and error logs and enables manual configuration of selected track circuit and signal lamp parameters.

  • Page 44: View System Log Menu

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance To enter the reset mode: Press and release the pushbutton on the CPU board front panel. RESET Quickly operate any one of the four front panel toggle switches. Hold the switch in the toggled position.

  • Page 45: Clear Cps Function

    (assuming that the original cause of the CPS trip is no longer present). 3.3.4 PC Link Function This function enables you to connect a laptop computer equipped with the Microlok II Maintenance Tools software to the CPU board diagnostic port when the system is not on line.

  • Page 46: Track Adjust Menu

    If the configuration had errors and the system bit CONFIG.ERR is set, the setting for the length of the track may not be chanced. It should be noted that the Microlok II unit will be in an off-line mode while track adjustments are being made.
  • Page 47 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL If the Microlok II cardfile contains multiple coded track circuit printed circuit boards, select the circuit board to be configured by toggling the switch to either position until MENU L the desired board number is indicated in the upper 4-character display.

  • Page 48: Lamp Adjust Menu

    If the configuration had errors and the system bit CONFIG.ERR is set, the wattage of the lamp cannot be changed. It should be noted that the Microlok II unit will be in a non-operational mode while lamp adjustments are being made.
  • Page 49 LAMP|BD xx The entry indicates the default lamp driver board number. If the Microlok II cardfile contains multiple lamp driver boards, select the circuit board to be configured by toggling the switch to either position until the desired board MENU L number is indicated in the lower 4-character display.
  • Page 50 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance NOTE If the setting for the selected lamp does not require adjustment, just toggle the ACTION switch to the position. ACCEPT REJECT ACCEPT To adjust the wattage value for the currently selected lamp, use the...

  • Page 51: On-Line Menu Functions

    Microlok II cardfile. ON-LINE MENU FUNCTIONS The on-line menu, shown in Figure 3-3, is the default menu for the Microlok II CPU board. This menu is active whenever the CPU is operating in the on-line mode (not in the reset mode). There...
  • Page 52 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance PANEL SWITCHES ADJUST: LEFT O RIG HT EXIT DOWN MENUS ACTION: TEST # TEST # TST # TEST # ACCEPT CYCLE MARK NO RM SPACE DOWN REJECT PRO T O #...

  • Page 53: System Configuration Menu

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 3.4.1 System Configuration Menu The system configuration menu enables application engineers and maintenance personnel to view/change the states of pre-assigned auxiliary bits (assigned in the application software) and to modify the settings of the system clock.
  • Page 54 REJECT 3.4.1.2 Clock Menu This function enables you to view and/or modify the current settings of the Microlok II CPU real- time clock. To access this function from the option, toggle the switch to the AUX BITS MENU L position.
  • Page 55 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL If necessary, modify the value of the flashing digit by toggling the ADJUST UP DOWN switch either , until the desired value for the digit is displayed. DOWN b. Toggle the switch to the position.

  • Page 56: Display System Menu

    The display system menu enables you to view the version number of the installed executive software, view the Microlok II system loading, and to display the current values of pre-assigned system bits. To access the display system menu from the system configuration menu, toggle the switch to the position.
  • Page 57 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 1. Toggle the switch to the position. The upper 4-character display will MENU UP DOWN DOWN show and the lower display will default to 0001. The right-most digit in the lower BIT # display will be flashing.

  • Page 58: Display Logs Menu

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance The upper four-character display will indicate the location of the PC Card (" ," " ," or " "), and the lower display will show " ." CARD 3. To return to the PC CARD option, toggle MENU UP-DOWN switch to the UP position.
  • Page 59 3.4.3.3 Viewing Board Failure Information without a Laptop PC By using the error codes generated from the Microlok II system, you can investigate information about a board failure. More precisely, you can interpret information from detailed error codes to determine the location of a failed board without having to connect a laptop PC to the unit.
  • Page 60 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance The scenario below illustrates how you can view board failure information: Scenario: Assume that the unit has stopped operating, and the CPU front panel displays error code “A02.” 1. Use the published list of error messages in the SM-6800C manual as needed to determine whether the message applies to an I/O board.

  • Page 61: Display I/O Menu

    SM-6800D for more information on circuit board identification. 3.4.4.1 Non-vital I/O Board If there is at least one enabled non-vital I/O board installed in the Microlok II cardfile, the CPU board displays will show when this option is selected. This option provides no NVIO|BRDS control or indication functions.
  • Page 62 Microlok II System Startup, Troubleshooting, and Maintenance 3.4.4.3 Non-vital 32-Bit Input Board If there is at least one enabled 32-bit input board installed in the Microlok II cardfile, the CPU board displays will show when this option is selected. This option provides no N32I|BRDS control or indication functions.
  • Page 63 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL thousands of feet, the track mode ( , or ), and the track side ( ). The lower 4- character display shows the track margin as a percentage of signal. If the selected track board has two functional track circuits enabled, the displays will automatically toggle between the A track information and the B track information.

  • Page 64: Serial Port Test Menu

    3.4.4.12 Mixed Vital I/O Boards If there is at least one enabled mixed vital 1/0 board installed in the Microlok II cardfile, the CPU board displays will show when this option is selected. This option provides no 8I8O|BRDS control or indication functions.
  • Page 65 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Use the following procedure for selecting a serial port to test, and to generate test-signals on that port: 1. Toggle the switch to the position. If no serial ports are defined and...

  • Page 66: Serial Ports Menu

    Normal mode. 3.4.6 Serial Ports Menu This branch of the on-line menu enables you to assess the status of the serial links associated with the Microlok II cardfile. To get to the option from the option, just...
  • Page 67 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 4 CONTENTS USING THE MICROLOK II MAINTENANCE TOOLS PROGRAM ......1 INTRODUCTION ............................1 INSTALLATION ............................4 USING THE MAINTENANCE TOOLS PROGRAM ................5 4.3.1 Maintenance Tools Program Screen Components .................5 4.3.2...
  • Page 68 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4.14 CONFIGURING THE PROGRAM SETTINGS .................50 4.15 SERIAL MESSAGE MONITOR ......................54 4.16 COMMA - DELIMITED DOWNLOAD....................55 4.17 APPLICATION DOWNLOAD ......................56 4-ii September 2000 SM-6800C Rev. 2.5...

  • Page 69: Using The Microlok Ii Maintenance Tools Program

    THESE MANUALS, MAY RESULT IN SERIOUS PERSONAL INJURY AND/OR PROPERTY DAMAGE. This section provides an overview of the Microlok II Maintenance Tools program. Using the tools provided in this program, maintenance personnel and application engineers can perform a wide variety of Microlok II system maintenance, configuration, and diagnostics functions. These include: •...
  • Page 70 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Figure 4-1. Maintenance Tools Program Main Menu September 2000 SM-6800C Rev. 2.5...
  • Page 71 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL The Tools program main menu displays buttons that activate the primary functions of the program. These buttons are shown in Figure 4-2. Figure 4-2. Main Menu Tool Selection Area The selection buttons are grouped into four main categories as follows: •...

  • Page 72: Installation

    Microlok II System Startup, Troubleshooting, and Maintenance INSTALLATION The MICROLOK II Maintenance Tool is available on a 3.5” floppy disk that must be installed onto your computer. To begin the installation program, place the disk in an appropriate drive. Press the Start button, and then click on Run.

  • Page 73: Using The Maintenance Tools Program

    Windows 95 or NT platform, the Tools program will most frequently be used out in the field at the Microlok II system installation. This requires the use of a laptop personal computer. The laptop computer is linked to the Microlok II installation CPU board through an RS-232 serial connection.
  • Page 74 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Most of the functionality of the Tools program is built into the upper section of the Maintenance Tools main menu. This area of the window consists of the title bar, the tool bar, and the status bar.
  • Page 75 II units through a single laptop PC. To do this, one of the PC’s serial ports (COM1) is connected to the diagnostic port on one of the Microlok II CPUs; COM2 is connected to the other CPU. When you click on the button in the tool bar, a pull-down menu appears that provides access to the Tools program communication control functions.
  • Page 76 Split multiple maintenance tools can be used and viewed at the same time. As mentioned previously, this feature would also be used when the laptop computer is connected to two Microlok II installations through two separate serial ports. button provides access to the Tools program help files. This function is not yet Help implemented.

  • Page 77: Using A Mouse Or Other Pointing Device

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL clicking on the button on the tool bar and then selecting the other serial port connection from the pull-down menu. The tools selection area of the window contains 14 selection buttons. Each button activates one of the maintenance tools.

  • Page 78: Using Windows

    (for example, a field on a form). 4.3.3 Using Windows When using the Microlok II Maintenance Tools program, more than one window can be open at the same time. These windows can be of varying sizes and have different positions on the screen.
  • Page 79 (maximize and minimize). 4.3.3.3 Menus The Microlok II system uses the tool bar menus to simplify operator interaction. Menus consist of a number of selection buttons; each button represents a specific command or operating function. The menus are context aware. This means that the individual menu buttons are enabled only when the associated function or operation is valid for present system and Tools program operating conditions.

  • Page 80: Keyboard Shortcuts

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4.3.3.5 Pushbuttons Pushbuttons enable you to select an action involving the selected dialog box. The following pushbuttons may be available in a dialog: - this pushbutton executes the current operation.
  • Page 81 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL For Open and Save As Dialog Boxes Press Open the Save In or Look In list Refresh Open the folder one level up BACKSPACE In addition to the shortcuts listed in the preceding tables, many of the Tools program operations can be initiated by a single keystroke.

  • Page 82: System Information Display

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance SYSTEM INFORMATION DISPLAY The system information display is used to view the most recent occurrence of significant system events recorded in the system adjustment table. System information is one of four Run-time Monitor maintenance tools on the main menu.

  • Page 83: Viewing Circuit Board Status

    VIEWING CIRCUIT BOARD STATUS The board information tool enables you view the current status of each enabled printed circuit board in the Microlok II cardfile. The information presented in the display for each board type is dynamically updated. To view the status of a Microlok II printed circuit board or serial link, click on the Board button on the Maintenance Tools main menu.
  • Page 84 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance The information presented on each status display depends on the board type. The typical status display includes all of the inputs, outputs, and significant adjustable and dynamic parameters associated with the board.

  • Page 85: Viewing System Variable And Bit Information

    There are two tools included on the Maintenance Tools main menu that enable you to view the real-time status of Microlok II system variables. These are the free-run variable display and the dynamic bit/variable display. These two displays provide the same information in different ways.
  • Page 86 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance • Move individual variables or blocks of variables to a point above the end of active symbols line. There are a number of ways to do this: ! Double-click on a variable name.

  • Page 87: Viewing Indications In The Graphic Mode

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 4.6.3 Viewing Indications in the Graphic Mode The dynamic bit/variable display is an on-screen version of a strip chart recorder. To use this function, click on the button on the Maintenance Tools main menu.
  • Page 88 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance ! Click on a variable to highlight it. Next, hold down the key as you select additional <Ctrl> variables that you wish to move at the same time. Finally, drag one of the highlighted variables above the line;...

  • Page 89: Viewing Logged Information

    VIEWING LOGGED INFORMATION 4.7.1 Introduction The Microlok II system logs and reports information in three classifications. These are critical errors, warnings, and operational events. The Historical Data section of the Maintenance Tools main menu contains four tools that enable you to review the logged system information in several ways: •...
  • Page 90 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance • No Start / End Time - Selecting this check-box lets the user choose to download the entire log. • Download Starting at - Selecting this check-box lets the user enter a starting date and time.
  • Page 91 UNION SWITCH & SIGNAL The oldest entry always appears at the top of the list. All more recent entries scroll downward as they are retrieved from the Microlok II unit. The log will finish downloading when the most recent entry has been received.

  • Page 92: Viewing The System Event Log

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4.7.3 Viewing the System Event Log The system log records 5000 of the most recent critical system errors, warnings, and events. All log entries are date and time stamped. To view the system event log, click on the System Event button on the Maintenance Tools main menu.

  • Page 93: Viewing The System Error Log

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL , and buttons at the bottom of the display control the operation of the data Clear, Reload Abort logger: • removes all of the currently recorded indications from the log and restarts the updating Clear process.
  • Page 94 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance A typical error log display appears as shown below. The display lists each error recorded in the system so far. The most recent entry appears at the top of the list. The log can record up to 50 of the most recent critical errors. When the log has reached its maximum limit, the newest errors will overwrite the oldest errors.

  • Page 95: Viewing The Merged Event Log

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL buttons at the top of the display control the operation of the data logger: Reload Abort • lets you clear the currently displayed errors, and then load the most recent 50 errors.
  • Page 96 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance The advantage of viewing the merged display with free-running data is that you can view the changes in state of items in your user log. (The display without free-running data does not show user-log items.) If you select...
  • Page 97 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL The display without free-running data can provide a "continuous time" analysis, shown graphically. The display shows representations of state changes in one-second intervals. The display with free-running data provides actual times in milliseconds.

  • Page 98: Setting The System Clock

    Microlok II System Startup, Troubleshooting, and Maintenance SETTING THE SYSTEM CLOCK As the name indicates, this tool is used to set the Microlok II CPU clock. This option will be used mainly during initial system configuration. This function displays the date and time settings for both the Microlok II system CPU and the laptop computer.
  • Page 99 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Set from this computer's time " 03/25/98 10.03.02 AM c. Click on the screen's pushbutton. The system's time and date change to those Set time originally shown for the laptop computer.

  • Page 100: Resetting The Microlok Ii System

    Microlok II System Startup, Troubleshooting, and Maintenance RESETTING THE MICROLOK II SYSTEM This tool enables you to reset the Microlok II CPU from the laptop computer. The reset function is used mainly to clear system faults and return the system to normal operation.

  • Page 101: Uploading Application Software

    This section covers the procedure for uploading a custom-designed application program from the laptop PC to the Microlok II CPU. This tool interacts with Windows-based files; therefore, you should be familiar with application software and Windows file navigation to use this feature.
  • Page 102 Microlok II System Startup, Troubleshooting, and Maintenance 9. Select the appropriate laptop computer drive and then locate the desired application program name. Files that the Microlok II CPU can upload generally have the suffix . This suffix indicates that the application program has been successfully compiled and is in the proper format to be uploaded to the system.
  • Page 103 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 12. The system displays another confirmation prompt with a warning to ensure that the user has a functional application with which to replace the current one. Click on to continue.

  • Page 104: Uploading Executive Software

    Maintenance Tool will provide the opportunity to upload a new application program at the same time. In the event that the executive program is erased from the MICROLOK II, you follow the same instructions for re-installation; however, you will encounter notices from the Maintenance Tool that the communication link is bad.

  • Page 105: Configuring The Microlok Ii System

    NOTE The following subsections present general information concerning the use of the Tools program in configuring the Microlok II system. Refer to chapter 6 in this manual for the complete configuration procedure. The configuration tool provides a wide variety of options for checking and modifying the configuration of the Microlok II system hardware and software.
  • Page 106 2, go to step 6. 19. Press the pushbutton on the front panel of the Microlok II CPU board and then click on RESET button in the dialog box. 3. The system configuration display (shown below) will appear on the laptop computer screen.

  • Page 107: Configuring The General System Settings

    Each event listed on this display is a system event predefined in the Microlok II executive software. The setting indicated for each event (1, 2, and 3 are the available options) determines the logging level for the event.
  • Page 108 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Level 1 is the lowest level and logs the least amount of information. Each higher level logs all information within its own level as well as all lower levels. Each error class maintains its own logging level such that different logging levels can be set for the different error classes.
  • Page 109 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Event Event Class Class Description Number Generic Serial Link Class Generic serial link errors/events common across all link types GENISYS Serial Master Serial link errors/events related to the GENISYS...
  • Page 110 Microlok II System Startup, Troubleshooting, and Maintenance 4. The fields are used to set the port address and baud rate for the Microlok II PC Configuration CPU board diagnostic port. The default settings are shown to the right of the individual fields.

  • Page 111: Changing Configurable Timers

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 20. After you have modified the information in one or more fields, two pushbuttons near the bottom of the window become active: • The button lets you change the data in all of the fields back to the default Apply Defaults values as set in the application program.

  • Page 112: Changing The User-Defined Variables

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance To change a timer configuration value: 1. Position the cursor within the appropriate “delay” box and then click the left-most mouse button. The field becomes highlighted. 2. Change the configuration value you highlighted.

  • Page 113: Changing User Log Selections

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 1. Position the cursor within the appropriate selection box and then press the <Space Bar>. 2. When all of the user-defined variables have been set to the proper values for the application, click on the button at the lower left corner of the screen.

  • Page 114: Enabling, Disabling, And Configuring Printed Circuit Boards

    Refer to chapter 6 for specific details on configuring the individual types of Microlok II printed circuit boards. For the majority of the Microlok II I/O circuit boards, you can only set the enabled/disabled state of the board and enable/disable the selective shutdown feature for the board. The coded track circuit boards and lamp driver boards have additional configuration parameters that must be set.

  • Page 115: Changing Serial Link Configurations

    4.12.6 Changing Serial Link Configurations The Microlok II system supports the operation of several types of serial links. These include Microlok system serial links (associated with the Microlok II CPU) and GENISYS master and slave links (associated with the code system interface board). Each serial link that is identified in the application program must be properly configured for operation.
  • Page 116 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance The following is an example of a typical serial link configuration. 1. Click on one of the selection buttons on the system configuration selection Link Configuration screen. A display similar to the one shown below will appear on the screen.

  • Page 117: Completing The Configuration Process

    The system memory dump tool enables US&S system developers and maintainers to perform debugging operations when a customer encounters a software problem. Only in rare cases will Microlok II users employ this option, and then only when working directly with US&S personnel.

  • Page 118: Configuring The Program Settings

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4.14 CONFIGURING THE PROGRAM SETTINGS The Program Settings dialog is used to modify the way in which the system stores and displays data. These options can also change the general appearance of the screens. The four categories of settings are shown in the example below, which is the default Program Settings display.
  • Page 119 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL These files are the local copies of the application symbols stored in prom. They are unique to each application. All old and unused symbol files associated with old and unused applications should be removed periodically.
  • Page 120 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance • Logic Monitor - When you click on the “Logic Monitor” category tag, the display appears as shown below. You can set the system's polling interval (in milliseconds) and specify the type of free-run processing time messages that appear.
  • Page 121 • If you check the "Configure Application Download for MicroCab" box, the Application Download feature will only download MicroCab-type application files. Conversely, if the box is not checked, the Maintenance Tool will only download Microlok II application files. Because the program settings options affect the system's overall operation, only experienced users should attempt to modify the program settings.

  • Page 122: Serial Message Monitor

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4.15 SERIAL MESSAGE MONITOR This tool enables you to monitor serial message traffic on a selected active serial link. To monitor serial message traffic, click on "Serial Message Monitor" on the Other Tools main menu.

  • Page 123: Comma - Delimited Download

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL • The monitor may be used on any enabled serial link, regardless of the programmed data rate; it will function without loss of data, however, at serial link data rates up to 2400 BPS.

  • Page 124: Application Download

    4.17 APPLICATION DOWNLOAD This tool lets the user download the application image from the PROM on the Microlok II unit in S-Record format. The screen is shown below: As a default, the file is stored with a .mlp extension so it can be easily uploaded to the box if necessary.
  • Page 125 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Ensure that, before you attempt a download that you have selected the correct application type. This information is described in 4.14, "Configuring the Program Settings." To return to the main menu from the Application Download, click on the "Back" pushbutton on the tool bar.
  • Page 126 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4-58 September 2000 SM-6800C Rev. 2.5...
  • Page 127 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 5 CONTENTS SYSTEM STARTUP....................5-1 INTRODUCTION ............................. 5-1 POWERING UP THE MICROLOK II SYSTEM ................. 5-1 LOADING THE MICROLOK II SYSTEM APPLICATION SOFTWARE........5-3 SM-6800C Rev. 2.5 September 2000...
  • Page 128 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 5-ii September 2000 SM-6800C Rev. 2.5...
  • Page 129 After the Microlok II system hardware components have been installed and connected, the next step in the startup process is to apply power to the system, load the application logic software, and then verify that the internal functions of the Microlok II system are working properly. This section addresses these operations.
  • Page 130 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance f. Ensure that the 48-pin or 96-pin connector for each Microlok II printed circuit board is securely connected to the mating connector at the rear of the cardfile. g. Ensure that the bus address jumpers for each applicable Microlok II circuit board are properly set.
  • Page 131 UNION SWITCH & SIGNAL LOADING THE MICROLOK II SYSTEM APPLICATION SOFTWARE This process requires the use of a laptop personal computer and the US&S Microlok II Maintenance Tools program. Use the following procedure to load the application logic software: 1. Connect a serial cable (a null modem cable with a 9-pin connector on the CPU board end) between the COM1 serial port on the laptop computer and the diagnostic serial port on the front of the Microlok II CPU board.
  • Page 132 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Configure the laptop computer’s serial port for operation with the Microlok II CPU board as follows: a. Using the laptop computer pointing device, click on the button in the upper left-hand corner of the display screen.
  • Page 133 12. Select the appropriate laptop computer drive and then locate the desired application program name. Files that the Microlok II CPU can upload generally have the suffix . This suffix indicates that the application program has been successfully compiled and is in the proper format to be uploaded to the system.
  • Page 134 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance linking to the file. At this point, the system closes the file selection window so that only the software upload window appears on the screen. 14. As the system completes its link and prepares to load the application, it displays the following file upload confirmation prompt.
  • Page 135 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 16. The system continues the process of uploading the new application. From this point, the process consists of three main operations: • Erase Flash memory • Upload file • Restart Microlok II These operations are listed as steps on the software upload screen (see below).
  • Page 136 The system resets itself and then redisplays the Tools program main menu. 19. After the Tools program initiates the CPU reset, allow the Microlok II CPU board to perform the startup tests. The startup test routines should complete successfully and the CPU board will assume the on-line mode of operation.
  • Page 137 CHAPTER 6 CONTENTS SYSTEM CONFIGURATION AND TESTING ............6-1 INTRODUCTION ............................. 6-1 SYSTEM CONFIGURATION......................... 6-1 6.2.1 Accessing the Microlok II Maintenance Tools Program Configuration Display ....... 6-2 6.2.2 Configuring the General System Parameters..................6-4 6.2.3 Configuring the User Variables ......................6-8 6.2.4...
  • Page 138 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6-ii September 2000 SM-6800C Rev. 2.5...

  • Page 139: System Configuration And Testing

    THESE MANUALS, MAY RESULT IN SERIOUS PERSONAL INJURY AND/OR PROPERTY DAMAGE. Before the Microlok II system can be placed into operation, the configuration of the system must be checked and modified as necessary. The system parameters and functions that must be...

  • Page 140: Accessing The Microlok Ii Maintenance Tools Program Configuration Display

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.1 Accessing the Microlok II Maintenance Tools Program Configuration Display Use the following procedure to access the Tools program configuration display: 1. With the Maintenance Tools main menu (Figure 4-1) displayed on the laptop computer screen, click on the selection button.
  • Page 141 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 5. Press the pushbutton on the front panel of the Microlok II CPU board and then click on RESET button in the dialog box. The system configuration display (such as the one shown below) will appear on the display.

  • Page 142: Configuring The General System Parameters

    Each event listed on this display is a system event predefined in the Microlok II executive software. The setting indicated for each event (1, 2, and 3 are the available options) determines the logging level for the event.
  • Page 143 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL • Event sub-classes in the range of 0x40 to 0x7f are Level 2 events. When a unit has been configured to log Level 2 events, all events with sub-classes 0x00 to 0x7f will be logged.
  • Page 144 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Event Event Class Class Description Number MLKII Serial Master Class Not generated by Microlok II MLKII Serial Slave Class Not generated by Microlok II CAB Serial Master Class Not generated by Microlok II...
  • Page 145 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 4. The fields are used to set the port address and baud rate for the Microlok II PC Configuration CPU board diagnostic port. The default settings are shown to the right of the individual fields.

  • Page 146: Configuring The User Variables

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.3 Configuring the User Variables Click on the selection button on the system configuration selection screen. A User Variables display similar to the one below will appear on the screen.

  • Page 147: Configuring The User Log

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.4 Configuring the User Log Click on the selection button on the system configuration selection screen. The User Log following display will appear on the screen. This display enables the user at each site to define a custom set of variables and events that are to be logged in the user log.

  • Page 148: Configuring The Standard Vital Output Boards (Out16)

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.5 Configuring the Standard Vital Output Boards (Out16) To configure a standard vital output board, click on one of the selection buttons on the Out16 system configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 149: Configuring The Vital Input Boards (In16)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.6 Configuring the Vital Input Boards (In16) To configure a vital input board, click on one of the selection buttons on the system In16 configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 150: Configuring The Mixed Vital I/O Boards (In8.Out8)

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.7 Configuring the Mixed Vital I/O Boards (In8.Out8) To configure a mixed vital I/O board, click on one of the selection buttons on the system In8.Out8 configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 151: Configuring The Non-Vital I/O Boards (Nvio)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.8 Configuring the Non-vital I/O Boards (NVIO) To configure a non-vital I/O board, click on one of the selection buttons on the system NVIO configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 152: Configuring The Non-Vital Bi-Polar Output Boards (Nvb.out)

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.9 Configuring the Non-vital Bi-polar Output Boards (NVB.Out) To configure a non-vital bi-polar output board, click on one of the selection buttons on NVB.Out the system configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 153: Configuring The Non-Vital 32-Bit Output Boards (Nvb.out32)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.10 Configuring the Non-vital 32-Bit Output Boards (NVB.Out32) To configure a non-vital bi-polar output board, click on one of the selection buttons NVB.Out32 on the system configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 154: Configuring The Non-Vital 32-Bit Input Boards (Nvb.in32)

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.11 Configuring the Non-vital 32-Bit Input Boards (NVB.In32) To configure a non-vital output board, click on one of the selection buttons on the NVB.In32 system configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 155: Configuring The Local Control Panel Driver / Input Boards (Nvb.in32.Out16)

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.12 Configuring the Local Control Panel Driver / Input Boards (NVB.In32.Out16) To configure a local control panel driver I/O board, click on one of the selection NVB.In32.Out16 buttons on the system configuration selection screen. A dialog box similar to the one shown below will appear.

  • Page 156: Coded Track Circuit Checks And Adjustments

    Check/configure the coded track circuit boards as follows: NOTE The following procedure can also be performed using the Microlok II CPU board front panel controls and displays. Section 3.3.5 details this procedure. Use of the Microlok II Maintenance Tools program, however, is the preferred method due to ease of operation and the details provided.
  • Page 157 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 3. If the A track for the board is to be used, make certain that the box is Side “A” Enable checked. If it is not, position the mouse cursor within the box and then press the <Space Bar>.
  • Page 158 In this case, a 0.1 ohm resistor in series with the track leads may be required to achieve 0.06 ohm shunting. Track circuit operating margin can be displayed on the Microlok II CPU board 4-character displays. Section 3.4.4.2 provides the procedure for displaying this information on the CPU board.
  • Page 159 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Notice the margin value indicated for each enabled track. Ideally, each circuit should show a margin value of roughly 190 to 240 percent. It should be noted that the margin can vary quite a bit based on the track circuit length, the condition of the ballast, and other factors.
  • Page 160 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 0.06 Ohm Shunt - Install when directed during shunt test. Polarity Test: Swap Test Lead Connections for Sides A and B. Set at 2.0 Ohms Master Side (“A”) Slave Side (“B”)
  • Page 161 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.13.4 Track Circuit Polarity Check The rail polarity of each coded circuit must be checked to confirm that proper polarity is established between adjacent track circuit blocks. The polarity of the track circuit feed changes polarity from one side of an isolation joint to the other.

  • Page 162: Cab Signal Adjustments

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 6.2.14 Cab Signal Adjustments Setting up the cab signal track circuits is a four-step process. This process involves: • Checking/adjusting the configuration of the coder output printed circuit board.
  • Page 163 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 3. Click on the button to save the configuration changes and complete the board configuration. The system configuration selection screen will again be displayed on the screen. 4. Repeat steps 1 - 3 for any other coder output boards that may be installed in the cardfile.
  • Page 164 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Figure 6-2. 60/100 Hz Cab Signal Interface Panel Rail Current Adjustments 6-26 September 2000 SM-6800C Rev. 2.5...
  • Page 165 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Figure 6-3. 40/50 Hz Cab Signal Interface Panel Rail Current Adjustments SM-6800C Rev. 2.5 September 2000 6-27...
  • Page 166 4. Turn on battery power to the Microlok II cardfile. After the CPU board has completed the startup diagnostics, the VCOR relay will pick up. This enables the cab signals to be applied to the rails.
  • Page 167 Proceed to section 6.2.11.3. If the reading is not within the prescribed range, proceed as follows: a. Remove battery power from the Microlok II cardfile and place the STEADY CARRIER switch on the coder output PCB in the center position.
  • Page 168 5. Insert the board upper and lower edges into the plastic card guides inside the cardfile. CAUTION WHEN INSTALLING ANY MICROLOK II CIRCUIT BOARD INTO THE CARD FILE, DO NOT ATTEMPT TO FORCE THE BOARD INTO THE SLOT. DAMAGE TO THE CIRCUIT BOARD AND MOTHERBOARD 96-PIN CONNECTORS MAY RESULT.
  • Page 169 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 60/100 Hz Cab Amplifier PCB 40/50 Hz Cab Amplifier PCB Current Limiter Jumper: “LOW” Position: Short Track Circuits. Set when using taps 1 and/or 2 on cab interface panel “HIGH”...

  • Page 170: Signal Lamp Adjustments

    The configuration of the signal lamp circuits is a two step process. This involves checking the configuration of the installed lamp driver boards and setting the voltage/current supplied to each signal lamp driven by the Microlok II system. 6.2.15.1 Configuring the Vital Lamp Driver Boards (Lamp16) There are three parameters that can be set for each vital lamp driver board.
  • Page 171 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 3. Next, set the lamp wattage to the proper value for each signal lamp associated with the lamp driver board. The system installation drawings should specify a wattage value for each lamp.
  • Page 172 PROCESSES. LIGHT OUTPUT IS MORE CONSISTENT IF CURRENT, RATHER THAN VOLTAGE, IS THE PARAMETER OF ADJUSTMENT, ESPECIALLY WITH AGING OF BULBS. MAXIMUM OUTPUT OF THE REGULATED MICROLOK II SOURCE IS ONE VOLT LESS THAN THE BATTERY VOLTAGE. THIS PLACES A LIMIT ON THE LINE DROP THAT CAN BE TOLERATED.
  • Page 173 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 100% 190% 360% 650% 1500% Life 141% 120% 100% Candle-Power 25 Watt Amperes Amperes for 18 W for 25W Lamp Lamp 18 Watt 11.5 11.0 10.5 10.0 Lamp Voltage Figure 6-5.
  • Page 174 Microlok II System Startup, Troubleshooting, and Maintenance The following procedure can only be used if the Microlok II unit contains at least one Vital Lamp Driver PCB and at least one lamp wattage enabled. Also, the existing lamp adjustment data loaded in the system EEPROM must be valid.

  • Page 175: Os Track Circuit Voltage Adjustment

    Insert the board upper and lower edges into the plastic card guides inside the cardfile. CAUTION When installing any Microlok II circuit board into the card file, do not attempt to force the board into the slot. Damage to the circuit board and motherboard 96-pin connectors may result.
  • Page 176 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 5. Verify the jumper setting by placing a 0.06 ohm shunt across each leg of the OS circuit, one leg at a time. Each shunt must result in at least one of the two input voltages dropping below 3.0 Vdc.

  • Page 177: Configuring The System Serial Links

    Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL 6.2.17 Configuring the System Serial Links Use the following procedure to configure the system serial links. 1. Click on one of the selection buttons on the system configuration selection Link Configuration screen.
  • Page 178 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 4. Click on the button to save the configuration changes and complete the serial link configuration. The system configuration selection display will again be displayed on the screen. 5. Repeat steps 1 - 4 for all other Microlok and GENISYS serial links.

  • Page 179: Completing The Configuration Process

    The following dialog box will appear on the screen. Click on the button to load the new configuration data and reset the Microlok II system. After the system reset has completed, the following dialog box will appear on the screen.

  • Page 180: System Acceptance Testing

    UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance SYSTEM ACCEPTANCE TESTING After the configuration process has been completed, the entire Microlok II system installation should be tested to verify proper operation. At a minimum, this test should include the following: •...
  • Page 181 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 7 CONTENTS SYSTEM TROUBLESHOOTING AND RECOVERY ..........7-1 ISOLATING THE MALFUNCTION...................... 7-1 RESTORING THE SYSTEM TO NORMAL OPERATION..............7-2 7.2.1 Critical Errors ............................ 7-3 7.2.2 Warnings............................7-3 7.2.3 Events ..............................
  • Page 182 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 7-ii September 2000 SM-6800C Rev. 2.5...

  • Page 183: System Troubleshooting And Recovery

    The condition of the system at the time of the malfunction. c. The location of any trains in or near the interlocking when the malfunction occurred. Scan the Microlok II system indications for any obvious clues that might lead to a quick diagnosis of the problem. Check the following: a.

  • Page 184: Restoring The System To Normal Operation

    The functions and normal states of these indications are detailed in chapter 2 of this manual. 4. Attempt to reset the Microlok II system by pressing the reset pushbutton on the front panel of the CPU board. This will, in many cases, clear software-related malfunctions.

  • Page 185: Critical Errors

    7.2.4 Analyzing the System Error and Event Logs Whenever the Microlok II unit is operating in normal mode, PC LINK mode, or shutdown mode, information can be recovered from the system error log and the system event log using the Microlok II maintenance tools.

  • Page 186: Troubleshooting Serial Communication Link Problems

    On Microlok II serial links that are the master for the communications circuit, LED "A" should flash regularly to indicate that the master is transmitting messages to its slaves. LEDs "B" and...
  • Page 187 On Microlok II serial links that are slaves, none of the indicator LEDS will flash unless the link receives a message from its master (or a receive-error is generated by noise on the communication circuit).
  • Page 188 7.3.4 Serial Link Protocol Monitor The Microlok II maintenance tool provides a serial protocol monitor capable of monitoring any active serial link. The serial link protocol monitor traps received messages before they are processed by the serial link receive-logic and passes them on to the maintenance tool for display.
  • Page 189 The protocol monitor display essentially operates in real-time for communication rates up to 2400 bps. At higher communication rates data may be lost, although messages sequence is preserved. Use of the serial link protocol monitor does not affect the operation of the Microlok II unit in any way.
  • Page 190 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance September 2000 SM-6800C Rev. 2.5...
  • Page 191 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL CHAPTER 8 CONTENTS SYSTEM MAINTENANCE ..................8-1 INTRODUCTION ............................. 8-1 ELECTROSTATIC DISCHARGE PRECAUTIONS ................8-1 PREVENTIVE MAINTENANCE ......................8-2 CORRECTIVE MAINTENANCE......................8-3 Appendix A CPU Board Error/Event Codes SM-6800C Rev.
  • Page 192 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance 8-ii September 2000 SM-6800C Rev. 2.5...

  • Page 193: System Maintenance

    30 to 100 volts. Therefore, it is easy to reason that most semiconductor devices can be severely damaged without knowing that the damage has been done. When working on the Microlok II system and contact with the system printed circuit boards cannot be avoided, observe the following guidelines: SM-6800C Rev.

  • Page 194: Preventive Maintenance

    PREVENTIVE MAINTENANCE The Microlok II cardfile and all associated peripheral equipment should be periodically inspected for signs of equipment degradation. These inspections should be performed with scheduled inspections of other related vital equipment. US&S recommends that these inspections be performed at least on an annual basis.

  • Page 195: Corrective Maintenance

    REPAIR THE MICROLOK II SYSTEM MAY JEOPARDIZE THE SAFETY-RELATED FUNCTIONS OF THE SYSTEM. Corrective maintenance on the Microlok II system is limited to the correction of basic wiring and hardware problems and the replacement of modular system components. Shop testing and repair procedures for the modular components of the Microlok II system are not available to US&S...
  • Page 196 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance If a component has been determined to be faulty, return it to US&S for repair or replacement. For service information, contact: Union Switch & Signal Inc. Service Shop 645 Russell Street...
  • Page 197 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Appendix A CPU Board Error/Event Codes NOTE The Maintenance Tool Event/Error display provides the best means to investigate system events and errors. The display and its associated help features offer more comprehensive information than the list of codes below.
  • Page 198 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Class / Description Subclass Internal Error – Check CPU board Time Source Error – Check CPU board Lamp board not supported in this executive PC Card Error – Check or replace Card Data Bus Error –...
  • Page 199 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Class / Description Subclass Internal Error – Check CPU board Interrupt Error – Check CPU board Application Variable Database Error – Check CPU board Application Variable Database Error – Check CPU board Application Variable Database Error –...
  • Page 200 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Class / Description Subclass IN8OUT8 Echo Error – Check IN8OUT8 board IN8OUT8 Type Error – Check IN8OUT8 board IN8OUT8 Hardware Failure – Check IN8OUT8 board IN8OUT8 Hardware Failure – Check IN8OUT8 board or wiring IN8OUT8 Internal Error –...
  • Page 201 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Class / Description Subclass 1305 Serial Link Internal Error – Check CPU board 1306 Serial Link Internal Error – Check CPU board 1307 Serial Link Internal Error – Check CPU board 1308 Serial Link Internal Error –...
  • Page 202 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance Class / Description Subclass 1420 Serial Link Internal Error – Check CPU board 1421 Serial Link Internal Error – Check CPU board 1422 Serial Link Internal Error – Check CPU board 1424 Serial Link Internal Error –...
  • Page 203 Microlok II System Startup, Troubleshooting, and Maintenance UNION SWITCH & SIGNAL Class / Description Subclass 1626 Serial Link Internal Error – Check CPU board 162A Serial Link Internal Error – Check CPU board 170B Serial Link Internal Error – Check CPU board 170C Serial Link Internal Error –...
  • Page 204 UNION SWITCH & SIGNAL Microlok II System Startup, Troubleshooting, and Maintenance September 2000 SM-6800C Rev. 2.5...

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