Rice Lake 181881 Technical Manual
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Rice Lake 181881 Technical Manual

Rice Lake 181881 Technical Manual

2.4 ghz radio frequency communication wheel weigh pad system
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Load Ranger
2.4 GHz Radio Frequency Communication
Wheel Weigh Pad System
Technical Manual
July 22, 2022
PN 214194 Rev A

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Summary of Contents for Rice Lake 181881

  • Page 1 Load Ranger 2.4 GHz Radio Frequency Communication Wheel Weigh Pad System Technical Manual July 22, 2022 PN 214194 Rev A...
  • Page 2 All information contained within this publication is, to the best of our knowledge, complete and accurate at the time of publication. Rice Lake Weighing Systems reserves the right to make changes to the technology, features, specifications and design of the equipment without notice.
  • Page 3 Initial release with Ai-1 Indicator Software 07.01.00 and Loader version 2.08; wheel weigh pad firmware 05.03.00 Table i. Revision Letter History Technical training seminars are available through Rice Lake Weighing Systems. Course descriptions and dates can be viewed at www.ricelake.com/training or obtained by calling 715-234-9171 and asking for the training department.

  • Page 4: Table Of Contents

    Keyboard Lock ................31 Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost.
  • Page 5 Update Firmware ................59 Technical training seminars are available through Rice Lake Weighing Systems.
  • Page 6 9.0 Specifications ............... . . 65 Rice Lake continually offers web-based video training on a growing selection of product-related topics at no cost.

  • Page 7: Introduction

    Do not operate or work on this equipment unless this manual has been read and all instructions are understood. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Rice Lake Weighing Systems dealer for replacement manuals.

  • Page 8: Fcc Compliance

    Load Ranger Wheel Weigh Pad System FCC Compliance United States This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
  • Page 9 • 24-bit A/D converter, up to 2300 conversions per second • DB9 RS232 serial port Multiple Storage Compartments ABS Case Input Connections DB9 Serial Port Power Input RF Antenna Power Button Thermal Printer Touchscreen Display Figure 1-3. Ai-1 Indicator Features © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 10: Accessories

    Figure 1-4. Aluminum Ramps Part No. Description Dimensions (W x L x H) 181881 Aluminum Ramp for Load Ranger MD Models 1 ft 7.66 in x 5.91 in x 1.18 in (500 x 150 x 30 mm) 181882 Aluminum Ramp for Load Ranger WD Models 2 ft 3.56 in x 5.91 in x 1.18 in (700 x 150 x 30 mm)

  • Page 11: Installation

    Follow the procedures in the section to install a Load Ranger system. Choosing the Weighing Area Load Ranger wheel weigh pads can be installed on most types of surfaces. For the best results, Rice Lake Weighing Systems recommends: • An area that is large enough to allow vehicles to easily maneuver under safe conditions •...
  • Page 12 Load Ranger Wheel Weigh Pad System 2. Position the platforms directly in front of the wheels of the vehicle to be weighed. Figure 2-3. Moving Platforms in front of Vehicle Wheels CAUTION: Do not place hands or feet under the platform when positioning them. Wear protective gloves and shoes when installing the wheel weigh pad.

  • Page 13: Correct Platform Use

    A wireless system allows for weighing with up to 16 connected wheel weigh pads per Ai-1 indicator. Two Platforms Applications include weighing axles of the vehicle individually or trailers with only one axle. Figure 2-8. Two Platform Application © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 14 Load Ranger Wheel Weigh Pad System Three Platforms Applications include weighing small planes, three-wheeled vehicles or trailers with a support pin. The size and capacity of the third platform can differ from those of the other platforms Figure 2-9. Three Platform Application Four Platforms Applications include weighing two-axle vehicles, trailers, containers or other items with four support points.
  • Page 15 Optional sixth platform Figure 2-11. Five Platform Application Six Platforms Applications include weighing three-axle vehicles or structures with six support points. Figure 2-12. Six Platform Application © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 16: 2.4.2 Wired Setup

    Load Ranger Wheel Weigh Pad System Wireless Setup Connection Procedure 1. Assign ID numbers and channels to the wheel weigh pads (Section 3.1.3 on page 13). 2. Assign channel number to Ai-1 Indicator (Section 3.2.1 on page 16). 3. Pair the Ai-1 indicator with the wheel weigh pads (Section 3.2.1 on page 16).

  • Page 17: Weighing Of Objects Or Structures

    IMPORTANT: Do not set the load on the wheel weigh pad display. Always position the displays of the platforms towards the outside of the structure being weighed in order to correctly transmit the weight reading data. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 18: Setup And Operation

    Load Ranger Wheel Weigh Pad System Setup and Operation The Load Ranger wheel weigh pads can be operated independently or with an Ai-1 indicator. The following section provides an overview and procedures for both types of applications. Wheel Weigh Pad Display DATA DIAG MODE...

  • Page 19: Display Features

    13. Press . OK briefly displays then Baud displays. 14. Press until wheel weigh pad resets. 15. Repeat procedure for all wheel weigh pads in the system. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 20: Ai-1 Indicator Display

    Load Ranger Wheel Weigh Pad System Figure 3-3. Wheel Weigh Pad Positioning Ai-1 Indicator Display GROSS GROSS 08:32 08:32 Max 6600lb d=1lb Min 20lb (1 ~ 2) Max 19800lb d=10lb Min 200lb (1 ~ 6) VEHICLE AXLES (lb) AXLES (lb): N. 0 TARE TOTAL TARE...
  • Page 21 Setpoint key – Press to view and edit the Outputs setpoint settings Input Texts key – Press to view and edit the Input texts Table 3-3. Ai-1 Indicator – Secondary Weigh Screen Descriptions © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 22: Setup Ai-1 And Pair Wheel Pads

    Load Ranger Wheel Weigh Pad System 3.2.1 Setup Ai-1 and Pair Wheel Pads The indicator channel must match wheel weigh pad(s) channel number(s) assigned in Section 3.1.3 on page NOTE: 1. Turn off all wheel weigh pads. 2. Press to turn on the Ai-1 indicator. 3.
  • Page 23 24. Get WWS configuration pop-up displays. Wait while configuration information is retrieved from wheel weigh pads. Get WWS configuration WWS 1 Figure 3-10. Get WWS configuration Pop-Up © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 24 Load Ranger Wheel Weigh Pad System 25. Once configuration information is retrieved, the configuration session terminates. Get WWS configuration Configuration terminated successfully Figure 3-11. Get WWS configuration Pop-Up 26. Press to close the pop-up. 27. Press 28. Setup changed pop-up displays. Technical setup Setup changed.

  • Page 25: Standard Ai-1 Indicator Functions

    2. Press MENU 3. Press Scale functions 4. Press . Display returns to the secondary weigh screen. Unlocked Tare or Lock Unlock Tare Locked Tare displays briefly in the indicator message cell. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 26: Weighing Procedure

    Load Ranger Wheel Weigh Pad System Weighing Procedure The Load Ranger wheel weigh pads can be arranged in wheel-weighing systems with up to fourteen wheel weigh pads and axle-weighing systems with only two wheel weigh pads. This section highlights the differences between the two systems. 3.4.1 Wheel-Weighing System A wheel-weighing system consists of as many platforms as there are vehicle wheels to be weighed.

  • Page 27: Axle-Weighing System

    TOTAL NOTE: The next press of resets the previous weight total and is considered the first axle of the next weight. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 28: Battery Charging

    Load Ranger Wheel Weigh Pad System Battery Charging Wheel Weigh Pads Use provided battery charging cable. The power connection port is located on the underside of the wheel weigh pad. For the RF-MD the port is located at the handle end of the platform and is the port closest to the edge. For the RF-WD and RF-XWD the port is located at the end opposite of the platform handles.The battery charging cable light is a steady red when charging and turns to a steady green when fully charged.

  • Page 29: Input Texts

    7. Repeat procedure for all of the desired cells. 8. Press to confirm database entry or press to cancel. DELETE 9. Press to return to the secondary weigh screen. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 30: Modify Vehicle

    Load Ranger Wheel Weigh Pad System 3.7.2 Modify Vehicle 1. Press to switch the indicator display to the secondary weigh screen. >> 2. Press to view the vehicle database. VEHICLES 3. Press the cell next to the vehicle database number to be modified. Example: Press 0001 RLWS TRUCK 01...

  • Page 31: Temporary Vehicle

    INDEX NOTE: Within the database modify screen, press then press >> INDEX 3. Use the displayed keypad to enter the vehicle database number. 4. Press to select the vehicle. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 32: Print Formats

    Load Ranger Wheel Weigh Pad System Print Formats The Ai-1 indicator has 12 print functions and each function has an associated print format. When a function has been executed through the procedures in this section, the associated format is sent to the print serial port. Item No.

  • Page 33: Default Print Formats

    2450lb WHEEL3 1270lb WHEEL4 1280lb AXLE 2 2550lb GROSS 5000lb Weight Totals TARE 5000lb GRAVITY CENTRE Center of Gravity 0.00ft 0.00ft Section 4.3 on page 36 Figure 3-21. Print Format 1 © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 34 TARE 11000lb 7500lb GROSS 5000lb Figure 3-24. Print Format 4 TARE 1000lb 4000lb Figure 3-30. Print Format 10 Rice Lake Weighing Systems 800-472-6703 VEHICLE TOTAL ERROR MESSAGE PRINTOUT RLWS TRUCK 2 WI RL8642 Figure 3-31. Print Format 11 WEIGHS GROSS...

  • Page 35: Setpoints

    2. Press 3. Press Digital outputs 4. Adjust outputs as needed. 5. Press . A prompt displays. 6. Press to save changes. The indicator resets and returns to the weigh screen. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 36: Configuration

     Settings:  – Weighing filter – Must be set to  for correct operation;  Contact Rice Lake Weighing systems to use additional filters – Adjust display screen  Backlighting; Settings: ,  (always on),  (on when weight is unstable) ...

  • Page 37: Keyboard Lock

     displays. 8. Press .  briefly displays, then CaL displays. See Section 5.1 on page 38 to recalibrate the wheel weigh pad. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 38: Wheel Weigh Pad Metrological Configuration

    Load Ranger Wheel Weigh Pad System 4.1.3 Wheel Weigh Pad Metrological Configuration 1. Navigate to the wheel weigh pad Technical menu (Section 4.1 on page 30). CAL displays. 2. Press . AduanC displays. 3. Press . CaL.Par displays. 4. Press until ...

  • Page 39: Overload Condition

    NOTE: The Range parameter value is a conversion value from pounds to the desired units. For example, 1 lb is 0.45359237 kg. Table 4-4 provides unit conversion values for 1 lb. lb Conversion Weight Conversion Unit Conversion Value 453.59237 0.45359237 Short ton 0.0005 Table 4-4. Overload Range Settings © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 40: Indicator Technical Setup Menu

    Load Ranger Wheel Weigh Pad System 11. Press . Conversion value is accepted and Range _2 displays. 12. Repeat steps through for remaining ranges. 13. decM displays. 14. Press three times to exit the Technical menu. Weight for Calibration To set the weight for calibration, perform the following: 1.

  • Page 41: Configure Touch Display

    3. Press Toolbar customization 4. Select a button to customize the title and the function. NOTE: Changing the function buttons of the display toolbar impacts weighing procedures described in this manual. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 42: Center Of Gravity

    Load Ranger Wheel Weigh Pad System Center of Gravity The instrument is able to calculate and print the center of gravity coordinates of the vehicle being weighed. NOTE: The weight of each wheel weigh pad must be greater than zero to calculate center of gravity. The Gravity Center cell only displays on the Ai-1 indicator display when three or more wheel weigh pads are connected.

  • Page 43: Indicator Metrological Configuration

    1. Navigate to the Technical Setup menu (Section 4.2 on page 34). 2. Press Calibration 3. Press 4. Press Overload range 5. Select the desired overload condition (Table 4-3 on page 33). © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 44: Calibration

    Load Ranger Wheel Weigh Pad System Calibration This section provides the procedures necessary to calibrate the Load Ranger wheel weigh pads through the built-in displays and with the Ai-1 indicator. NOTE: When using the Ai-1 indicator with the weigh pads, skip to Section 5.2 on page 40 to calibrate all of the weigh pads through the Ai-1 indicator.

  • Page 45: Zero Calibration Procedure

    .  briefly displays once calibration procedure is complete, then  displays. 5. Press .  displays. 6. Press .  briefly displays and unit returns to Weigh mode. Or press to cancel and unit returns to Weigh mode. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 46: Calibrate With Ai-1 Indicator

    Load Ranger Wheel Weigh Pad System Calibrate with Ai-1 Indicator 5.2.1 Standard Calibration 1. Navigate to the Technical Setup menu (Section 4.2 on page 34). 2. Press Calibration 3. Press Scale X Scale 1 NOTE: To change calibration parameters (decimals, units, divisions, etc.), press Parameters By changing parameters in one wheel weigh pad, the Ai-1 indicator sets all other paired wheel weigh pads to the same parameters selected.

  • Page 47: Maintenance

    • Remove any debris from the weighing area, as well as the area under the wheel weigh pads, that may prevent the loading surface from bending correctly • Clean the platform with non-aggressive substances • Periodically check the condition of the connection cables • Fully charge the battery before prolonged non-use © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 48: Accessory Assembly

    Load Ranger Wheel Weigh Pad System Accessory Assembly 6.3.1 Display Cover Figure 6-2. Display Cover Assembly 6.3.2 Transport Wheels Figure 6-3. Transport Wheels Assembly www.RiceLake.com Visit our website...

  • Page 49: Aluminum Ramps

    The pin is slightly wider on the threaded side. Figure 6-4. Ramp Assembly (1 of 3) Figure 6-5. Ramp Assembly (2 of 3) Figure 6-6. Ramp Assembly (3 of 3) © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 50: Board Diagram

    Load Ranger Wheel Weigh Pad System Board Diagram POWER IN: 4,8...12Vdc Auto switch on RS232 COM 2 RS232 COM 1 SIG+ SIG- COM2 TTL CELL3 CELL4 SEN+ Legal SEN- Internal use EXC+ CELL2 RS232/RS485 EXC- COM 1 SENSOR SENSE CELL1 BOOT I/O BOARD - CLOCK - ALIBI MEMORY SEN+...

  • Page 51: Wiring Schemes

    CELL1 CELL1 SENSE SENS SENS S S ENSE SENSOR BOOT +5V GND 01 02 SEN- EXC+ Black CELL2 EXC- SENSE CELL1 SENSOR +5V GND 01 02 Figure 6-8. Load Cell Wiring © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 52: Power Supply Wiring

    Load Ranger Wheel Weigh Pad System 6.5.2 Power Supply Wiring Charging Connector Position Pin Configuration Brown (+) White (-) Board Connection Location On Board POWER IN: 4,8...12Vdc RS232 RS232 COM 2 COM 2 RS232 RS232 COM 1 COM 1 Brown SIG+ SIG- CELL3...

  • Page 53: Rs485 Wiring

    SIG+ SIG- SEN+ CELL3 CELL4 SEN- EXC+ CELL2 RS232/RS485 RS232/RS485 32/RS485 EXC- COM 1 COM 1 CELL1 SENSE SENSOR BOOT +5V GND 01 02 RS232/RS485 COM 1 Figure 6-10. RS485 Wiring © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 54: Calibration Jumper

    Load Ranger Wheel Weigh Pad System Calibration Jumper Calibration access can be restricted by removing the calibration shunt. Figure 6-11. Restricting Calibration Access Messages and Errors Message Description If the WWP radios are type-approved, the display shows the platform number instead of the weight ...

  • Page 55: Frequently Asked Questions

    Nothing can be entered if the automatic keypad lock function has been activated, including turning off the platform. Section 3.1.1 on page 12 to unlock the keypad. See Section 4.1.1 on page 31 to change parameter settings. © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 56: Appendix

    Load Ranger Wheel Weigh Pad System Appendix Wheel Weigh Pad (RF-MD, RF-WD, RF-XWD) Dimensions Figure 7-1. Wheel Weigh Pad Dimensions Diagram RF-MD RF-WD RF-XWD 1 ft 8 in 1 ft 10 in 2 ft 2 ft 2 ft 8 in 3 ft 3 in 2.28 in 2.28 in...

  • Page 57: Replacement Parts

    183799 2,500 kg Load Cell (Used on 6,500 lb, 13,000 lb, 22,000 lb, 33,000 lb Wheel Weigh Pad Only) 192604 Load Cell Mounting Hardware 192621 Ramp with Gripping Rubber Table 7-2. Wheel Weigh Pad (RF-MD, RF-WD, RF-XWD) Replacement Parts © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 58: Load Ranger Ai-1 Replacement Parts

    Load Ranger Wheel Weigh Pad System 7.2.2 Load Ranger Ai-1 Replacement Parts Figure 7-3. Load Ranger Ai-1 Replacement Parts Diagram Item No. Part No. Description 192584 Carry Case 192580 Built-in Battery, 6 V, 4.5 Ah 214125 RF Radio Module 192588 Fixing Bracket for Battery 192582 Aluminum Handle...

  • Page 59: Replacement Load Cells

    Degree, 1000 Ohm output resistance Shear Beam Approved Load Cell, C3, Max = 2500kg; Nickeled Steel, IP68 Protection 183799 2500 kg degree, 1000 Ohm Output Resistance Table 7-5. Replacement Load Cells (Details) © Rice Lake Weighing Systems ● All Rights Reserved...

  • Page 60: Ghz Radio Frequency (Rf) Module Retrofit Instructions

    Load Ranger Wheel Weigh Pad System 2.4 GHz Radio Frequency (RF) Module Retrofit Instructions Two retrofit kits are available for wheel weigh pads (models RF-MD, RF-WD, RF-XWD) and Ai-1 indicators with Bluetooth® hardware. These kits provide RF hardware to replace Bluetooth® hardware: •...
  • Page 61 5. Remove antenna, power cable and Bluetooth® module cabling. 6. Remove Bluetooth® module mounting screw, then Bluetooth® module. Antenna Bluetooth® Module Antenna Communication Cable Cable Retaining Screw Power Connectors Figure 7-6. Existing Hardware Removal © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 62 Load Ranger Wheel Weigh Pad System 7. Remove jam nut and adhesive protector film from antenna, then slide black O-ring along cable and push into adhesive. 8. Position support plate inside of electronics cover with while aligning antenna mounting holes. 9.

  • Page 63: Ai-1 Indicator Hardware Retrofit

    2. Position Ai-1 indicator with bottom facing up. 3. Remove four cover mounting bolts, then remove cover. NOTE: Be aware, removing the retaining bolts also detaches handles. Retaining Bolts Figure 7-10. Indicator Cover Retaining Bolts © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 64 Load Ranger Wheel Weigh Pad System 4. Disconnect battery cabling and Bluetooth® radio cabling. 5. Remove existing antenna. 6. Remove Bluetooth® module mounting screw, then Bluetooth® module. NOTE: Bluetooth® module mounting methods vary. Some modules attach to standoffs while others are secured with screws. Battery Cables Antenna...

  • Page 65: Update Firmware

    2. Unzip firmware file (files for Ai-1 and indicator wheel weigh pad are included): NOTE: The Ai-1 indicator’s firmware file name starts with EGT while the wheel weigh pad’s firmware file name starts with Dfw. © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 66 Load Ranger Wheel Weigh Pad System 3. Attach a serial cable to the Ai-1 indicator’s serial port and connect free end to computer. NOTE: The indicator’s serial port is located on the front panel. Figure 7-14. Ai-1 Indicator Serial Port 4.
  • Page 67 18. Reinstall wheel weigh pad’s electronics cover and protection plate with previously removed hardware (Figure 7-5 on page 55). 19. Repeat steps Step 14 through Step 18.for remaining wheel weigh pads. © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 68 Load Ranger Wheel Weigh Pad System 7.4.4 Wheel Weigh Pad and Ai-1 Indicator Setup and Pairing After the wheel weigh pad and Ai-1 indicator firmware is updated, the wheel weigh pads and Ai-1 indicator require setup. 7.4.4.1 Wheel Weigh Pad RF Module Setup Perform the following procedures for all required wheel weigh pads: 1.
  • Page 69 DECLARATIONOF CONFORMITY Load Ranger 2014/30/EU EMC EN 61000-6-2:2015, EN 61000-6-4:2007+A1:2011, EN61326-1:2013, EN55011:2009 +A1:2010 2014/35/EU LVD EN 61010-1:2010 2011/65/EU RoHS EN 50581:2012 __________________________ __________________________ Brandi Harder November 16, 2021 __________________________ Quality Manager © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 70 Load Ranger Wheel Weigh Pad System DECLARATION OFCONFORMITY Load Ranger 2016/1091 EMC EN 61000-6-2:2015, EN 61000-6-4:2007+A1:2011, EN61326-1:2013, EN55011:2009 +A1:2010 2016/1101 Low Voltage EN 61010-1:2010 2012/3032 RoHS EN 50581:2012 Rice Lake, WI USA Brandi Harder February 8, 2022 Quality Manager www.RiceLake.com Visit our website...
  • Page 71 (748 mm x 500 mm) Weight Load Ranger RF-MD: 40 lb (18.2 kg) Load Ranger RF-WD: 62 lb (28.2 kg) Load Ranger RF-XWD: 102 lb (46.3 kg) Warranty Two-year limited warranty © Rice Lake Weighing Systems ● All Rights Reserved...
  • Page 72 Load Ranger Wheel Weigh Pad System www.RiceLake.com Visit our website...
  • Page 74 July 22, 2022 PN 214194 Rev A www.ricelake.com...

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