Intercomp LP600 User Manual
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Intercomp LP600 User Manual

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LP600
Users Manual
Manual #: 7005056-E

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Summary of Contents for Intercomp LP600

  • Page 1 LP600 Users Manual Manual #: 7005056-E...

  • Page 2: Table Of Contents

    LP600 Users Manual Rev E, February 2017 Table of Contents DECLARATION OF CONFORMITY........................4 INTRODUCTION ...............................5 SPECIFICATIONS ..............................6 Controls................................6 Electrical................................6 Performance.................................6 Environmental..............................7 Physical................................7 Radio (optional) ..............................7 SCALE OPERATIONS...............................8 ............................8 PERATIONAL VERVIEW ...............................8 ISPLAY ESCRIPTION .................................9 ONTROLS ON / OFF ................................9 PRINT / ACCUMULATE .............................9 LOCAL / TOTAL ..............................10...
  • Page 3 ................................42 ONNECTOR HOW TO REACH INTERCOMP ...........................43 "This document is the property of Intercomp Co. It contains material and information that is confidential and protected under federal and/or state trade secret, unfair competition, and copyright law. Any reproduction, use or disclosure without written permission from Intercomp Co.

  • Page 4: Declaration Of Conformity

    3839 County Road 116 Medina, Minnesota 55340 USA Declare under sole responsibility that the (LP600) Wheel Load Scale to which this declaration relates meets the essential health and safety requirements and is in conformity with the relevant EC Directives listed below using the relevant section of the following standards and other normative documents.

  • Page 5: Introduction

    The detailed operation section outlines the correct use of the scale for most applications. The calibration section explains how to set the platform's adjustments. Caution: Your LP600 scale is covered by a one year warranty and should be referred to the factory for maintenance within the warranty period. Attempts to make any extensive repairs within the warranty period may invalidate the warranty.

  • Page 6: Specifications

    LP600 Users Manual Rev E, February 2017 Specifications Controls General On/Off, Print/Accumulate, Local/Total, Zero Display 5 1/2 digit, 1 inch liquid crystal display (LCD), with automatic back lighting. Indicators: local weight, total weight, accumulated total weight Electrical Power Source Dual power solar and batteries. Available direct power 5 - 15 VDC, 100-240VAC when using charger cable.

  • Page 7: Environmental

    LP600 Users Manual Rev E, February 2017 Environmental Humidity 10 to 95% Non-Condensing. Temperature Operating: -28 C to +65 C. / -20 F to +150 F. Storage: -40 C to +75 C. / -40 F to +170 F. Ingress IP67...

  • Page 8: Scale Operations

    The TOTAL icon indicates measurement mode as in the table below the LP600 display. Information displayed includes indicators for both “lb” and “kg”, a segment bar to show battery charge level, error conditions and set-point indicators when set-point thresholds are reached.

  • Page 9: Controls

    If a problem is detected, the screen displays an error message. If the LP600 is powered up, press this button to turn the scale off. The LP600 retains the setup information, and calibration in a special memory device (non- volatile memory) that is not affected by power loss or battery condition.

  • Page 10: Local / Total

    (as shown in the display description). LOCAL / TOTAL This control will be rarely used with a LP600 system. This function is used in cabled scales with no central CPU or indicator. The local weight is the weight on that scale only. The total weight is the weight on all of the scales in your system.
  • Page 11 LP600 Users Manual Rev E, February 2017 system is re-zeroed. This switch is used any time the scale shows a non-zero value with no weight on the pads. Note: This system contains a feature called Auto Zero Tracking (AZT), which corrects for slight zero changes during normal operation.

  • Page 12: Totalizing Setup

    LP600 Users Manual Rev E, February 2017 Totalizing Setup This section covers configuring a scale set for either self-totalizing or connection to a PC/PDA for advanced display features. For accumulating multiple weights on a scale or scale set, see the “Using Accumulated Total” section. In ‘self-totalizing’...

  • Page 13: Serial Output Setup

    * Host setting is only available when scale ID is set to ‘01’ Serial Output Setup This setup is not necessary with a typical LP600 system. There are three different serial output modes for the LP600, “on-demand”, “continuous”, and “accumulating print”.

  • Page 14: Continuous

    LP600 Users Manual Rev E, February 2017 Continuous The LP600 automatically and continuously outputs the weight at a rate of about once per second. Data Format When the serial output is set to either on-demand or continuous mode, the transmitted data is in the format shown below: AAAAAAA BB<cr><lf>...

  • Page 15: Weighing Procedures

    Rev E, February 2017 Weighing procedures The LP600 platforms can be used separately, in pairs, or in groups of 4, 6, or more to measure a support load, wheel load, axle load, axle group load, or the total weight of a multi-axle truck in one measuring procedure.

  • Page 16: Using Accumulated Total

    Rev E, February 2017 Using Accumulated Total The LP600 platforms can be used separately, in pairs, or in groups to measure a support load or the total weight in one measuring procedure. To use the Accumulated Total feature, the scales need to be numbered correctly and the scale you intend to print from or display the accumulated total must have it’s print...

  • Page 17: Accumulating Print Standard

    LP600 Users Manual Rev E, February 2017 Note: The scale will not accumulate and will display the error message “.” if the current weight is negative, zero, or if the weight is in motion. These Protections are added to ensure that only valid readings are accumulated into the total.

  • Page 18: Accumulating Procedure

    LP600 Users Manual Rev E, February 2017 Note: The scale will not accumulate and will display the error message “.” if the current weight is negative, zero, or if the weight is in motion. These Protections are added to ensure that only valid readings are accumulated into the total.
  • Page 19 LP600 Users Manual Rev E, February 2017 5. When finished, you may clear the accumulated total weight by pressing and holding the ZERO button until the display show “.“. The display will clear the accumulated total and the number of accumulations.

  • Page 20: Mode Menu

    LP600 Users Manual Rev E, February 2017 Mode Menu Mode Menu To access the mode menu simultaneously press the PRINT/ACCUMULATE and ZERO buttons. The display will show “.”. If it doesn’t, go to Calibration Enable Jumper section and verify the scale is in the RUN position. (shorting pins 2 and 3(RUN) At times it will be necessary to enter up to a five digit number.

  • Page 21: Setting The Mode Menu Parameters

    LP600 Users Manual Rev E, February 2017 Setting the Mode Menu Parameters 1. Simultaneously press the PRINT/ACCUMULATE and ZERO buttons. The display will show “.”. Press the PRINT/ACCUMULATE button. The flashing display shows the current setting. Press the ZERO or the LOCAL/TOTAL buttons to toggle between Auto, on, and off.
  • Page 22 (maximum number of scales in this mode is 32) Current Loop is not used in the LP600. When scales are not part of a totalizing network, battery life will be improved if “” is chosen. Use the LOCAL/TOTAL button or the ZERO button to cycle through the settings.
  • Page 23 LP600 Users Manual Rev E, February 2017 13. The display will show “”. Press the PRINT/ACCUMULATE button. The display will show the current setting flashing. This is the radio enable status and is either on or off. Use the LOCAL/TOTAL button or the ZERO button to toggle between the settings.

  • Page 24: Calibration

    Note: The calibration will achieve the best accuracy if calibration loads are applied to LP600 platform through a metal block, separated from the platform by a thick piece of firm rubber; this setup best simulates the load applied by a tire. Loading without a block can damage the scale.
  • Page 25 This section is intended as information to someone already familiar with the concepts of load cell summing. There are six load cells within the LP600 scale; they are numbered as in Figure 1. Possible Control Panel positions...
  • Page 26 LP600 Users Manual Rev E, February 2017 7. Position the corner fixture with rubber pad on the scale as per figure 2. Apply ¼ of the scale’s capacity to the loading block. Annotate the reading. 8. Repeat for the other five positions.

  • Page 27: Procedure: Calibration (Adjustment)

    To access the calibration mode the shorting strap labeled “RUN/CAL”, located on the right-middle of the circuit board (Intercomp, A/D 20 BIT rev E), it must be moved from shorting pins 2 and 3(RUN); to shorting pins 1 and 2(CAL). To access the shorting strap, remove the 10 screws on the outside edges of the display assembly.

  • Page 28: Multiple Corner Adjustment

    Corners must be checked if the unit fails the calibration verification check. There are six load cells within the LP600 scale; they are numbered as in Figure 1. Possible Control Panel positions...
  • Page 29 Increase the number with the Lb/Kg button or decrease the number with the Zero button until the display shows “”. This is the number of load cells in the LP600. If the number was changed the scale will save and restart. If this happens go back to step 2.

  • Page 30: Single Corner Adjustment

    LP600 Users Manual Rev E, February 2017 13. The display will show “”. Apply ¼ of the capacity of the scale load cell 4 using the same loading fixture. Once the load is applied press the PRINT / ACCUMULATE button.

  • Page 31: Calibration Menu

    LP600 Users Manual Rev E, February 2017 Calibration menu To initiate calibration simultaneously press the PRINT/ACCUMULATE and ZERO buttons. The display will show “”, if it does not, the calibration strap is incorrectly placed to allow calibration. Return to ‘Calibration Enable Jumper’ section to verify correct setting.

  • Page 32: Setting The Calibration Parameters

    PRINT/ACCUMULATE button. Multiple Graduation Break Points The LP600 has the ability to have multiple graduation values set. Following is an example of setting graduation break points. Example: Grad = Initial graduation equals by 0.1 lb Cap = 10000 (Capacity equals 10,000 lb) ...
  • Page 33 An entry of ‘1’ results in a reduced conversion time which extends battery life. For the LP600 it is recommended to leave this set to ‘1’. Note that if this setting is changed, the scale must be recalibrated. Use the LOCAL/TOTAL button to increment and the ZERO button to decrement the number.

  • Page 34: Weight Calibration

    To calibrate with one point, simply turn off the scale after completing step 13 as listed below. To calibrate with two points, turn off the scale after completing step 15 as listed below. The LP600 has the capability to apply and load up to 10 calibration points.
  • Page 35 LP600 Users Manual Rev E, February 2017 19. The display shows “”. Press the PRINT/ACCUMULATE button. The display will show “” with the far right number flashing. Use the LOCAL/TOTAL button to advance the number and the ZERO button to move the number flashing to the left.

  • Page 36: Troubleshooting

    LP600 Users Manual Rev E, February 2017 Troubleshooting Problem Table The following table describes some symptoms with possible causes and solutions. Symptom No power up, nothing on display If any power reaches the control panel, the display driver turns on some random segments. Since we are not seeing this we will assume that no power is reaching the scale circuitry.

  • Page 37: Error Messages

    LP600 Users Manual Rev E, February 2017 Error Messages Error messages displayed can be a helpful diagnostic tool. The following table describes some possible causes and solutions. Message Meaning EEPROM FAILURE Calibration information lost or corrupted '' Calibration information is held in a special permanent memory area. A checksum code is generated and written to this memory during the calibration process.

  • Page 38: Diagnostic Tests And Voltage Measurements

    The voltage at shutoff should be between 3.2 and 3.5 Volts. Load Cells Each LP600 scale has six load cells. These load cells are the transducers that convert mechanical energy (weight) to electrical energy. Each load cell has 4 strain gages (700 Ω) and two temperature compensation thermistors.
  • Page 39 They are balco thermistors that change resistance with temperature to maintain a constant signal voltage. These thermistors are specially manufactured for Intercomp load cell material and strain gage types. Load cell leads color coding Red : + Excitation (3.3 Volts)

  • Page 40: Calibration "Step" Codes

    LP600 Users Manual Rev E, February 2017 failure of the cell or lead; you are typically looking for an open or a short when using this check. Calibration “Step” codes Enter Cal Mode # After “” in Cal Menu Cal Mode # Advance through normal calibration menu.

  • Page 41: Replaceable Parts

    LP600 Users Manual Rev E, February 2017 Replaceable Parts Index Quantity Part Number Description 0200117 REV A LP600 SOLAR IND 506584 REV F LP 600 SCALE ASS 20K 330158 BATTERY STICK 000425 REV B BATTERY CAP ASS 600814 6-32UNC X 1.25 SS SCREW...

  • Page 42: Connector

    LP600 Users Manual Rev E, February 2017 Connector The diagram below shows the pin-out for the PT connector on the side of the LP600: PT connector A: RS-485 A B: TXD (RS232) C: - Charging Voltage D: none E: +Charging Voltage...

  • Page 43: How To Reach Intercomp

    Rev E, February 2017 How to reach Intercomp Things to know: Inform the Service Dept. that the product is a LP600 scale. When was the scale purchased? Where was the scale purchased? What is the serial number of the unit in for service?

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