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Newall dp1200 User Manual

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DP1200 Digital Readout
User Manual

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Summary of Contents for Newall dp1200

  • Page 1 DP1200 Digital Readout User Manual...

  • Page 3: Table Of Contents

    Contents Specification Page 3 Setup Axis 4 (Digital Rotary Angular) continued Electrical Page 3 Angular Display Setup Page 21 Physical Page 3 Angle Mode Setup Page 21 Environment Page 3 Direction Setup Page 21 Accreditation Page 3 Signal Checking Setup Page 21 Disposal Page 3...

  • Page 4: Specification

    Encoder input 4 can be used with Spherosyn 2G / Microsyn 2G or 5v TTL Quadrature, depending on the model ordered. Note: It is possible to upgrade the DP1200 from a 2 or 3 Axis up to 4 Axes, See Page 26 - Unlock Axis. Display Resolution Options Spherosyn 2G or Microsyn 2G 10µm...

  • Page 5: Mounting Options

    Mounting Options This section details the various mounting options for the DP1200, both the standard version and the panel mount version. Mill Mount (Non Adjustable) Lathe Mount (Non Adjustable) Adjustable Mount Options Panel Mount Option 297.0 Cutout Corners R5 Min./R15 Max.

  • Page 6: Connection Details

    The power has been disconnected, before you connect the encoder(s). DO NOT CONNECT THIS UNIT DIRECTLY TO THE MAINS SUPPLY. If the Newall encoder has a round 7 pin connector, an adaptor cable (part no. 307-80980) is required. Contact your local Newall supplier for details.

  • Page 7: Display And Keypad

    Sleep Key Invalid Key Warning The DP1200 is equipped with a visual and audible indication to warn the user when an invalid key has been pressed. If an invalid key has been pressed, all the displays will flash on and off twice along with a...

  • Page 8: Setting Up The Unit

    Quick Navigation of Axes 1, 2, 3 & 4 (Analogue) Setup The DP1200 supports a quick navigation feature using the LCD screen and numeric keys, enabling the user to navigate to specific areas without scrolling through each and every menu. This is particularly useful when navigating to one specific item.

  • Page 9: Navigating Axis 4 Setup (Digital Linear)

    Setting Up The Unit Setup Menu Navigation (continued) Navigating Axis 4 Setup (Digital Linear) Quick Navigation of Axis 4 Setup (Digital Linear) The quick navigation feature for the setup of axis 4 digital linear is detailed below (where navigation to the main axis setup menu is completed). Numeric Key Setup Function Legend Setup...

  • Page 10: Navigating Axis 4 Setup (Digital Rotary Angular)

    Setting Up The Unit Setup Menu Navigation (continued) Navigating Axis 4 Setup (Digital Rotary Angular) Quick Navigation of Axis 4 Setup (Digital Rotary Angular) The quick navigation feature for the setup of axis 4 digital rotary angular is detailed below (where navigation to the main axis setup menu is completed).

  • Page 11: Navigating Axis 4 Setup (Digital Rotary Linear)

    Setting Up The Unit Setup Menu Navigation (continued) Navigating Axis 4 Setup (Digital Rotary Linear) Quick Navigation of Axis 4 Setup (Digital Rotary Linear) The quick navigation feature for the setup of axis 4 digital rotary linear is detailed below (where navi- gation to the main axis setup menu is completed).

  • Page 12: Navigating General Setup

    Setting Up The Unit Setup Menu Navigation (continued) Navigating General Setup Quick Navigation of General Setup The quick navigation feature for general setup is detailed below (where navigation to the main axis setup menu is completed). Numeric Key Setup Function Language Setup Application Setup Plane Setup...

  • Page 13: Setup Axis 1, 2, 3 & 4 (Analogue)

    To select Microsyn 2G 10µm as the encoder type To select Microsyn 2G 5µm as the encoder type Note: The encoder type must match the actual encoder in use, or the DP1200 will not display correctly Display Resolution Setup Navigate to Spherosyn 2G &...

  • Page 14: Zero Approach Setup

    Check the accuracy of the DRO system 1. Place the target of the laser or the needle of the dial indicator directly on the Newall reader head. It is absolutely critical to take the readings directly from the Newall reader head. If a dial indicator must be used, be sure that the needle of the indicator is perpendicular to the reader head and not angled.

  • Page 15: Types Of Machine Error

    As you follow the procedure ensure that you approach each edge from opposite directions, then subtract the width of the tool from the value displayed on the DP1200. The DP1200 Automatically takes into account the probe diameter as per setting (Linear Only).

  • Page 16: Error Compensation Setup

    To select Teach mode To select Program mode Teach Mode Teach mode is an easier way of calculating linear errors using the DP1200 to automatically calculate the error, by comparing the actual measurement and the physical movement. Follow the steps below;...

  • Page 17: Segmented Error Compensation

    Setting Up The Unit Segmented Error Compensation The scale travel is broken down into as many as 200 user-defined segments, each with their own correction factor, measured against a high-accuracy standard. The following parameters need to be identified; Starting point - zero Error Travel Correction points...
  • Page 18 The program mode enables the user to define the correction points manually and then enter them into the DP1200. The position is where the correction point occurs, and the correction point is the value to be corrected at that point.

  • Page 19: Setup Axis 4 (Digital Linear)

    To select Linear as the encoder type Reference Source Setup The DP1200 is capable of using an internal reference or an external reference source for the digital 4th axis. An internal reference is the reference mark provided by the encoder.

  • Page 20: Direction Setup

    Please refer to Page 10, Radius / Diameter (Measure Setup) Signal Checking Setup The DP1200 has the facility to detect if the encoder attached to the 4th digital axis has become disconnected, sustained severe cable damage, or with some encoders, experienced electronic failure.

  • Page 21: Setup Axis 4 (Digital Rotary Angular)

    To select Teach Resolution Program Resolution Setup This setting allows the user to program the DP1200 with a rotary encoder resolution. Rotary encoder resolutions are usually expressed as Pulses Per Turn. This is the number of pulses output per revolution.

  • Page 22: Angular Display Setup

    Setting Up The Unit Angular Display Setup To select Degrees Minutes Seconds Angular Mode Setup This function allows the selection of rollover at 360° back to zero or to provide a continuous measurement. To select Rollover (Rollover at 360°) To select Continuous Direction Setup Please refer to Page 10, Direction Setup Signal Checking Setup...

  • Page 23: Setup Axis 4 (Digital Rotary Linear)

    Setting Up The Unit Setup Axis 4 (Digital Rotary Linear) For models with 5v TTL quadrature 4th axis. The rotary linear option is for customers using a rotary encoder who want linear displayed measurement Legend Setup Please refer to Page 10, Legend Setup Encoder Setup To select Rotary (Linear) as the encoder type Reference Source Setup...

  • Page 24: Display Resolution Setup

    Setting Up The Unit Display Resolution Setup Please refer to Page 15, Display Resolution Setup Direction Setup Please refer to Page 10, Direction Setup Radius / Diameter (Measure Setup) Please refer to Page 10, Radius / Diameter (Measure Setup) Signal Checking Setup Please refer to Page 16, Signal Checking Setup Zero Approach Setup Please refer to Page 11, Zero Approach Setup...

  • Page 25: General Setup

    Setting Up The Unit General Setup Language Setup Choose the required language the unit is to display. If the language required is not in the 1st menu press “7” to display more languages. Application Setup To select Mill To select Lathe To select Generic Note: When set to Lathe, Axis 1 (top) changes to diameter measurement Note: When set to Lathe or Mill, some functions are automatically turned off...

  • Page 26: Functions Setup

    Allows the user to enable or disable Mill / Lathe functions. Functions in white text are enabled. Functions in grey text are disabled. Note: Some functions may already be disabled if the DP1200 is set as a Mill or Lathe at application setup, and dependant on the number of axes available.

  • Page 27: Sleep Setup

    To default as Lathe To default as Generic Note: When the DP1200 is setup as a Lathe, the ‘X‘ (top) Axis default setting is DIA, therefore the ‘X’ (top) Axis will display double. OEM Defaults: The DP1200 may have OEM default settings specific to a machine. In this case, the DP1200 will only display one reset option.

  • Page 28: Standard Functions

    Absolute (abs) mode has been selected The DP1200 has a dedicated key to switch the positional displays between absolute (abs) and incremental (inc) measurements. The current display mode is indicated by a red Incremental (inc) mode has LED either above or below the key as shown on the right.

  • Page 29: Zero And Preset An Axis

    This can be seen in the example on the right 0.000 Undo Function The DP1200 stores the last 10 positions/numeric inputs, which can be accessed using the undo feature. Example 1 - non movement Display shows -145.230...

  • Page 30: Half Function / Centre Find

    50.000 Digifind / Reference Function The DP1200 comes equipped with Digifind, a feature unique to Newall Digital Readouts. Digifind eliminates the risk of losing your position and datum setup. Digifinds precise setup of a workpiece is carried out only one time. When the unit is powered on, it displays the position at power off, compensated for any movement of a Spherosyn Encoder up to 0.2500"...

  • Page 31: Sub Datums / Memory (Sdm)

    Standard Functions Sub Datums / Memory The DP1200 can store up to 200 SDM (Sub-Datum) positions, or machining steps, into the memory. Using SDM allows the operator to work to zero by calling up stored dimensions, instead of "working up" to drawing dimensions. This eliminates the need to constantly refer to the drawing and reduces the possibility of scrapping parts due to misread dimensions.

  • Page 32: Sleep Mode

    Once setup, (See Page 24 - Sleep Setup), apply no movement or any key presses for the period of time set and the DP1200 will turn off all displays apart from the power LED. Any key presses or move- ment will bring it out of this mode.

  • Page 33: Rs232 (Data Logging) / Data Acquisition

    The DP1200 can offer basic serial communication via a dedicated RS232 compatible port, which is used for data logging purposes. RS232 Connections The RS232 is connected to the DP1200 via a 15-pin D-type connector at the rear of the display. The required connection details are shown below. Pin 3 - RS232 TXD...
  • Page 34 Standard Functions RS232 Setup (Continued) To turn Data Logging off To use Enter Key to trigger Data Logging To select Data Logging periodically to return to the main menu and disable Data Logging If off is selected If Enter Key or Periodic are selected Select the Baud Rate to match the baud rate supported at the PC To select None (disable Parity)

  • Page 35: Rs232 Output Data Format

    Please see example below; Example: The example below shows an RS232 output from a 4 axes DP1200, with the legend set as “X” (1st axis) “Y” (2nd axis), “Z” (3rd axis) and “W” (4th axis).

  • Page 36: Mill Functions

    Mill Functions PCD / Bolt Hole Circle The DP1200 calculates positions for a series of equally spaced holes around the circumference of a circle. Once the parameter data is entered, the DP1200 displays the distance to the next hole. The operator works to zero for each hole location. See example (Fig 1).
  • Page 37 Mill Functions PCD / Bolt Hole Circle (Continued) Note: At this point you can use the keys to navigate back and forth through the menus. To start the PCD / Bolt Hole Circle Routine; -196.580 -122.880 Navigate through the sequence of holes by using keys.

  • Page 38: Line Hole

    The DP1200 calculates positions for a series of equally spaced holes on a line. Once the parameter data is entered, the DP1200 displays the distance to the next hole. The operator works to zero for each hole location. See example (Fig 2).
  • Page 39 Mill Functions Line Hole (Continued) To start the line hole circle routine; -180.500 -200.000 Navigate through the sequence of holes by using keys. Fig 2 Y axis 350mm line length 20º line 9 holes angle Starting point Datum X axis 180.5mm...

  • Page 40: Arc Contouring

    Mill Functions Arc Contouring The DP1200 calculates positions for rough machining of an arc or radius. The message display prompts the user for parameters needed to complete the calculations. Once parameters are entered, the DP1200 shows the co-ordinates, which are point to point positions along the arc.
  • Page 41 Mill Functions Arc Contouring (Continued) Enter coordinates for ending point of arc. Enter the tool diameter to be used. Select the appropriate arc type. For this example, we will select internal. Enter the maximum cut required. To start the arc feature; Navigate through the sequence of points using the keys.

  • Page 42: Polar Coordinates

    Mill Functions Polar Co-ordinates The Polar Coordinate function enables the operator to convert the displayed data from the convention- al Cartesian Coordinates (“X” & “Y”) to polar coordinates (radius length + angle). The two axes used for polar coordinates are defined in the parameter setting for plane (See Page 24 - Plane Setup).

  • Page 43: Skew

    Mill Functions Skew The Skew Feature provides capability for the DRO to find the skew angle of a part. It is very useful for the machine operator to know if the part is square to the bed. It can also be used to find other angles on the workpiece. The plane setting parameter defines which axes are used for this feature.
  • Page 44 Mill Functions Skew (Continued) Touch the probe to a second point along the (“Y”) second plane. Touch the tool to a second point along the second plane The angle for (“X”) plane 1 and (“Y”) plane 2 are shown on the DRO.

  • Page 45: Lathe Functions

    There are two ways to set Tool Offsets, Teach Mode and Program Mode. The DP1200 provides capability for Tool Offsets for up to 3-axes. A 3 or 4 axes DP1200 is required to use 3-axes of Tool Offsets.
  • Page 46 Lathe Functions Teach Offsets (Continued) 9.850 Measure the part using an accurate gauge and enter this value. Repeat this process for all tools required. Note: Use the keys to navigate through the tools Program Offsets Enter the tool dimensions one axis at a time. of the required axis 102.225 Enter the position value using the...

  • Page 47: Vector

    Lathe Functions Vector Vectoring combines the movement of the “X” and “Z” axes with the angle of the compound. Note: Vector is only available on 3 and 4 axes units. If the compound is set at an angle, vector is very useful. If the compound is aligned with the “X” or “Z” axis, the summing function should be used.

  • Page 48: Taper Angle

    Lathe Functions Taper Angle The Taper Function shows the angular displacement of the displayed position. Axis 1 and 2 are used for this function. The taper function ignores the parameter setting for the plane. The example below demonstrates its operation. until the display shows Touch the tool to one end of the taper and zero both axes, then touch the tool at the other end of the taper.

  • Page 49: Axis Summing

    Lathe Functions Axis Summing The Summing Function allows the sum of the two selected axes to be displayed. Axis 4 is not used with this function. See Axis Coupling Setup (Page 24) for details on using Axis 4. until the display shows Select the required plane The un-summed position data will be shown in the axis window.

  • Page 50: Troubleshooting Guide

    • Check that all the connections are secure. The display works, but There may be a poor earth (ground) connection. Both the DP1200, and the machine on which it is gives erratic readings, installed, must have proper earth (ground) connections.
  • Page 51 Newall Measurement Systems Ltd. Technology Gateway, Cornwall Road South Wigston, Leicester LE18 4XH United Kingdom Tel: +44 (0) 116 264 2730 • Fax: +44 (0) 116 264 2731 E-mail: sales@newall.co.uk • Web: www.newall.co.uk Newall Electronics Inc. 1778 Dividend Drive Columbus, Ohio 43228 USA Tel: +1 614 771 0213 •...

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