Intercomp PT300 User Manual

Intercomp PT300 User Manual

Digital wheel load scale

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Intercomp
PT300
Users Manual
Manual #: 700028-E

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Summary of Contents for Intercomp PT300

  • Page 1 Intercomp PT300 Users Manual Manual #: 700028-E...
  • Page 2: Table Of Contents

    PT C .............................15 CALE HARGER S400 D :...................16 URRENT UTPUT TO AN NTERCOMP ISPLAY PT C :........................16 ONNECTOR ESIGNATIONS ......................17 NTERNAL ONNECTOR ESIGNATIONS WEIGHING PROCEDURES...........................18 1: W ........................19 ABLE EIGHING OMBINATIONS ............................20 YPICAL CALE AYOUTS HOW TO REACH INTERCOMP SERVICE ......................21...
  • Page 3: Introduction

    PT300 Users Manual Rev E, April 1999 Introduction This manual contains specifications and operating instructions for the PT300 system. Specifications Controls General: On, Off, Print, lb/kg, Test/Zero, Local/Total, Hold/Rel, Lamp Display: 0.5” 6 digit, LCD Electrical Voltage: 12 VAC,VDC Batteries: 6 “AA”...
  • Page 4: Weights And Measures

    PT300 Users Manual Rev E, April 1999 Weights and Measures The PT300 meets or exceeds class IIII standards for 400 division accuracy from 0 lb to 20,000 lb. The certification was completed by the National Type Evaluation Program (NTEP); in accordance with the National Institute of Standards and Technology (NIST) Handbook 44.
  • Page 5 Interconnecting cable for 2 scales and splitter box (100533) Additional cable length for scale, printer, or display (100526) Custom cable lengths if more than standard length is necessary. PT300 Dummy pad (100088) Cast aluminum replica. PT300DW Ramp (100072) Battery Operated Tape Printer (100090) Prints weights only.
  • Page 6: Operations

    PT300 Users Manual Rev E, April 1999 Operations Diagram 1: PT 300 Keypad and Display Turns the scale on. The scale will test itself by activating all of the segments on the display and then zero itself. Occasionally the display will show EEEE0, this means that the scale is seeking zero.
  • Page 7: Test/Zero

    PT300 Users Manual Rev E, April 1999 TEST/ZERO This switch will "test" the display by activating all of its segments. It then zeros the scale. See the explanation for the ON button. LAMP This switch will back light the display for night use. The lamps only stay on while the button is being pushed.
  • Page 8: Batteries / Charging

    PT300 Users Manual Rev E, April 1999 Batteries / Charging This scale can be used while it is charging. Batteries: 6 - 1.2 volt nicads. Battery Life: Approximately 5 years. (1000 charge/discharge cycles). Battery duration between charges: Approximately 8 hours of continuous use before the low battery indicator comes on, and approximately 2 hours after that before the scale shuts itself off.
  • Page 9: Totalizing And/Or Printing

    PT300 Users Manual Rev E, April 1999 Totalizing and/or Printing Before you attempt to do either of these, a few terms and definitions must be understood. These terms only apply to scales that are cabled together. Master Scale: If more than one scale is being used, the first scale in line is referred to as the Master Scale.
  • Page 10: Printing

    Data Interface Serial ASCII 20 mA current loop, active or passive. (The PT300 supplies the current for active current loop, and an external current is used for passive current loop. Passive is preferred for longer battery use between charges.)
  • Page 11: Error Messages

    PT300 Users Manual Rev E, April 1999 Error Messages Overload. Reduce load to scale. Underload. Re-zero scale. Seeking zero. Wait until reading is displayed. If this error EEEE0 message stays on, the EEPROM may be damaged. Scale will require calibration.
  • Page 12: Cables

    PT300 Users Manual Rev E, April 1999 Cables The following diagrams show the different types of cables that can be used with PT 300 scales. Cables can be ordered consisting of 2-6 connectors so you can match the number of scales your system has. The following diagrams illustrate a 4 scale system.
  • Page 13: Scale Charger-Totalizer Combo

    PT300 Users Manual Rev E, April 1999 4 Scale Charger-Totalizer Combo 4 scale totalizer cable with battery charger connection.
  • Page 14: Scale Totalizer To Printer On Demand

    PT300 Users Manual Rev E, April 1999 4 Scale Totalizer to Printer on Demand 4 scale totalizing cable including 25 pin D-sub connector for a printer or computer...
  • Page 15: Scale Pt Charger

    PT300 Users Manual Rev E, April 1999 4 Scale PT Charger 4 scale battery charging cable...
  • Page 16: Current Loop Output To An Intercomp S400 Display

    PT300 Users Manual Rev E, April 1999 Current Loop Output to an Intercomp S400 Display: PT Connector Pin Designations: PT Connector A: Reserved for future use. B: - Input C: Ground (- Charging Voltage) D: - Output E: +Charging Voltage F: + Input G: Reserved for future use.
  • Page 17: Internal Connector Pin Designations

    PT300 Users Manual Rev E, April 1999 Internal Connector Pin Designations Plug: 1) +Ex (Summing board) 2) +Sig (Summing board) 3) -Sig (Summing board) 4) -Ex (Summing board) 5) GND (Case and pin C on the I/O connector) 6) +Batt (Battery Clip)
  • Page 18: Weighing Procedures

    Rev E, April 1999 WEIGHING PROCEDURES The PT300 or LP600 can be used separately, in pairs, or in groups of 4, 6, or more. They can be used to measure a support load, wheel load, axle load, axle group load or the total weight of a 2 or 3 axle truck in one measuring procedure.
  • Page 19: T Able 1: W Eighing C Ombinations

    PT300 Users Manual Rev E, April 1999 Table 1: Weighing Combinations...
  • Page 20: Typical Scale Layouts

    PT300 Users Manual Rev E, April 1999 Typical Scale Layouts Notes: Zero key on MASTER scale will tare out all weigh pads that are interconnected. Read total weight of all scales at READ scale.
  • Page 21: How To Reach Intercomp Service

    PT300 Users Manual Rev E, April 1999 How to reach Intercomp Service Things to know: Inform the Service Dept. that the product is a PT300 scale system. When was the PT300 purchased? Where was the PT300 purchased? Copyright Intercomp Company 1999...

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