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Navitar 12X Zoom Instruction Manual

Motorized zoom systems for windows windows demonstration application.
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Navitar Motorized Zoom Systems Instruction Manual for Windows
NAVITAR
MOTORIZED ZOOM SYSTEMS
INSTRUCTION MANUAL FOR WINDOWS
Revision B
Page 1 of 23
2/17/2004

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Table of Contents

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   Summary of Contents for Navitar 12X Zoom

  • Page 1 Navitar Motorized Zoom Systems Instruction Manual for Windows NAVITAR MOTORIZED ZOOM SYSTEMS INSTRUCTION MANUAL FOR WINDOWS Revision B Page 1 of 23 2/17/2004...
  • Page 2 Navitar Motorized Zoom Systems Instruction Manual for Windows Navitar Motorized Zoom Lenses Generic Schematic (Digital) Firewire (Digital) Frame Grabber (Analog) Camera Serial Communication Zoom Focus Revision B Computer Frame Grabber Com 1,2 USB 1,2,3 Communication Navitar Motor Controller Page 2 of 23...
  • Page 3 Navitar Motorized Zoom Systems Instruction Manual for Windows User's Guide Windows Demonstration Application Serial and USB Connection Revision B Page 3 of 23 2/17/2004...
  • Page 4: Table Of Contents

    Navitar Motorized Zoom Systems Instruction Manual for Windows Table of Contents Introduction ...5 Setting Up - Serial Port...5 Setting Up - USB Port ...5 Installation ...5 Turning The Controller On ...6 Starting the Application ...6 Establishing Communications...7 Pull Down Menus ...8 File Pull Down Menu - Open ...8...
  • Page 5: Introduction

    Navitar Motorized Zoom Systems Instruction Manual for Windows Introduction/Precautions This controller/driver application allows the user to configure and control a 1 or 2 motor zoom/focus system complete with limit sensors. The system may be connected via serial or USB communication; however, both methods shall not be connected simultaneously.
  • Page 6: Turning The Controller On

    Navitar Motorized Zoom Systems Instruction Manual for Windows Following the steps will produce this icon on the desktop. Shortcut to navusb.exe.lnk Turning The Controller On Turn on the power switch located on the back of the controller. The controller will activate both motors.
  • Page 7: Establishing Communications

    Navitar Motorized Zoom Systems Instruction Manual for Windows This will present a customer setup table similar to the following. Values must be entered before the program will perform. Further explanation of each parameter and suggested initial values may be located in section 8.6.
  • Page 8: Pull Down Menus

    Navitar Motorized Zoom Systems Instruction Manual for Windows establish the communications, the PC's bell will sound indicating communications failure and the indicator will remain blank. To establish communication manually, click the “Mode” pull down menu and select “connection”. A small dialog box opens: Open the list of possible COM ports or USB devices by clicking the down arrow next to list.
  • Page 9 Navitar Motorized Zoom Systems Instruction Manual for Windows Selecting the Open item from the file pull down menu activates the standard Windows Open dialog box: The user locates the desired configuration file and confirms selection by clicking the Open button. The configuration values are automatically loaded into the control panel.
  • Page 10: File Pull Down Menu - Save

    Navitar Motorized Zoom Systems Instruction Manual for Windows File Pull Down Menu - Save Selecting the Save item from the file pull down menu saves the current motion configuration in the current configuration file. This function is used if a configuration has been loaded using the Open command, changed and now the user wants to save it for future use.
  • Page 11: Mode Pull Down Menu - Connection

    Navitar Motorized Zoom Systems Instruction Manual for Windows Mode Pull Down Menu - Connection This menu item is used to select the desired communications port. The list of available ports is presented by clicking the black down arrow next to COM1.
  • Page 12: Customer Setup - Initial Velocity

    Navitar Motorized Zoom Systems Instruction Manual for Windows This configuration is stored within the controller's non-volatile memory and is reloaded into the controller automatically when the controller power is turned on. This configuration should only be edited with the controller connected and the communications established, otherwise any changes will be lost.
  • Page 13: Customer Setup - Max Velocity

    There are means (expensive) of reducing (but not totally eliminating) this. To be able to repeat a zoom setting accurately, Navitar software contains an option that forces all motion to work against gravity, thereby effectively eliminating the backlash.
  • Page 14: Customer Setup - Reverse Backlash

    Navitar Motorized Zoom Systems Instruction Manual for Windows In the following procedures, “near” is the bottom of travel and “far” is the upper end. “Forward” motion is from “near to far” (bottom to top) and reverse is the opposite. Environmental conditions (temperature) will have a small impact on position sensitivity, therefore the systems should be stabilized and in a controlled environment for absolute repeatability.
  • Page 15: Customer Setup - Down Through Home

    Navitar Motorized Zoom Systems Instruction Manual for Windows Note that the motor rotation direction will also change based on the Far/Near selection. The forward direction is always the direction from home to limit. But the home and limit ends of the travel can be swapped using the Zero Near/Far setting.
  • Page 16: Par-focalizing The Zoom System

    Navitar Motorized Zoom Systems Instruction Manual for Windows Par-focalizing the Zoom System. All Navitar Zoom Systems are designed to be parfocal (maintain focus as they change magnification), but they must be setup in a prescribed manner. The rule of thumb is “set the front conjugate (distance from lens to object) at high mag, and the rear conjugate (distance from lens to image plane) at low mag.”...
  • Page 17: Stop Button

    Navitar Motorized Zoom Systems Instruction Manual for Windows STOP Button Click the STOP button to immediately halt both motors. This function is useful during startup debugging if the motor directions are not defined properly - see Customer Setup - Zero above. If the user has setup an Autorun operation, clicking the STOP button will clear all Autorun check boxes.
  • Page 18: Limit Indicator / Button

    Navitar Motorized Zoom Systems Instruction Manual for Windows The Position Command location is immediate, while the Position Indicator will track the actual position of the motor. Limit Indicator / Button Directly above the Motor Position Indicator is the Limit Indicator / Button.
  • Page 19: Jog Minimum Value

    Navitar Motorized Zoom Systems Instruction Manual for Windows 17.1 Jog Minimum Value This numerical value controls the number of steps the motor will take in the desired direction if the Jog button is clicked once. To change the value, highlight the current value, type in the new desired value and press the Enter key.
  • Page 20: Preset Save Button

    Navitar Motorized Zoom Systems Instruction Manual for Windows upon sensing a downward motion command and then approach the desired preset. The Autorun operation is halted by clearing the Autorun checkboxes or by clicking the STOP button, which will stop the motors and clear all Autorun check boxes automatically.
  • Page 21 Navitar Motorized Zoom Systems Instruction Manual for Windows RS-232 Communication Protocol Serial data streams. Data to the 2 Axis Motor controller serial device: Serial port configuration: 38400 baud 8 bits no parity 1 stop bit no flow control 7 bytes are written to the device. The first is a register id. The next...
  • Page 22 Navitar Motorized Zoom Systems Instruction Manual for Windows Register Definitions: These system registers are intended to be read only. Writes to these registers will not survive a power reset. REG_SYS_PRODUCTID 0x01 REG_SYS_VERSIONHW 0x02 REG_SYS_VERSIONDATE 0x03 REG_SYS_VERSIONSW 0x04 These system registers are intended to be system setup registers.
  • Page 23: Revision B

    Navitar Motorized Zoom Systems Instruction Manual for Windows These user registers are intended for normal operation REG_USER_TARGET_1 REG_USER_TARGET_2 REG_USER_INCREMENT_1 REG_USER_INCREMENT_2 REG_USER_CURRENT_1 REG_USER_CURRENT_2 REG_USER_LIMIT_1 REG_USER_LIMIT_2 The value written drives the motor to one of the limits: 0 – home motor 1 – limit motor...

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Zoom 6000

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