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BenchMark

®

 LP

Low-Profile Bench Scale

Installation Manual

PN 104742 Rev D

October 23, 2020 

Содержание 97662

Страница 1: ...BenchMark LP Low Profile Bench Scale Installation Manual PN 104742 Rev D October 23 2020 ...

Страница 2: ...emarks of their respective companies 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 The most current version of this publication software firmware and all other product ...

Страница 3: ... Systems All Rights Reserved i 1 0 Introduction 1 1 1 Overview 1 1 2 Safety 2 2 0 Installation 3 2 1 Site Preparation 3 2 2 Unpacking 3 2 3 Assembly 3 2 4 Summing Board Security 4 2 5 Electrical Interface to Indicator 4 3 0 Calibration 6 3 1 Mechanical Adjustments 6 3 2 Corner Correction 6 3 3 Calibration Procedure 7 4 0 Maintenance 8 4 1 Troubleshooting 8 4 2 Load Cell Replacement 9 4 3 Wiring to...

Страница 4: ... LP Low Profile Bench Scale Rice Lake continually offers web based video training on a growing selection of product related topics at no cost Visit www ricelake com webinars ii Visit our website www RiceLake com ...

Страница 5: ...l identification label is located on the side of the frame Include both model number and serial number when ordering replacement parts Electrical Grounding For systems where the scale is connected to a 115 VAC circuit the indicator must be directly connected to an earth ground with a ground interface cable of no more than 3 Ω resistance throughout its length Load Cells Four Rice Lake RLBLP planar ...

Страница 6: ...d 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 Failure to heed could result in serious injury or death Failure to heed may result in serious injury or death Do not allow minors children or inexperienced persons to operate this unit Do not operate without all shields and guards in place ...

Страница 7: ...the floor is close to this standard to avoid excessive shimming or modify the floor at the chosen site to meet this standard 2 2 Unpacking Immediately after unpacking visually inspect the BenchMark LP to ensure all components are included and undamaged If any parts were damaged in shipment notify Rice Lake Weighing Systems and the shipper immediately Remove the four overload stops on the underside...

Страница 8: ...ess the summing board 1 Remove the stainless steel platform 2 Remove the lid in the center of the platform revealing the summing board cover plate 3 Remove security cables this will void NTEP Certification 4 Remove screws on the summing board cover plate and remove lid Wire Connections Remove the summing board cover and connect the wires to the indicator terminal Figure 2 3 To connect the indicato...

Страница 9: ...cable under the scale to facilitate future lifting of the scale for servicing or cleaning 1 When the interface cable is protected and in its final position complete connections to the indicator See indicator installation manual for wiring information 2 If necessary trim corners as described in Section 3 2 on page 6 3 Check all strain relief for tightness 4 Secure with nylon ties Figure 2 4 Homerun...

Страница 10: ... 25 of the scale capacity Example Use a 25 lb test weight for 100 lb models or a 250 lb test weight for 1000 lb models 3 Remove weight from the scale 4 Zero the indicator 5 Turn all four potentiometers fully clockwise shaded areas of Figure 3 1 to increase the reading until a clicking sound is heard from each potentiometer This ensures the maximum signal from each load cell Figure 3 1 Trim Potenti...

Страница 11: ... calibration to be certain that everything is seated 1 Load the scale to near capacity two or three times 2 Ensure there is not a load on the scale then place the indicator in its calibration mode and perform a zero calibration 3 Place test weights on the platform not exceeding the scale s full capacity If several weights are used they should be evenly distributed around the platform 4 Perform a s...

Страница 12: ...r Install the leads according to the indicator installation manual The display stays at zero The indicator is faulty Service the indicator The load cell connections are faulty Check the cable connections in the summing board and at the indicator Weights display erratically There is vibration near the scale Remove the source of vibration or move the scale The platform is not level within 1 4 Level ...

Страница 13: ...are viewed from the top To verify correct load cell summing board terminal matching see the numbers on the terminals inside the summing board 6 Check that the threaded holes for the load cell screws are free of debris Use compressed air to blow out holes as needed 7 Position load cells with capacity label and load cell wires facing up 8 Loosely install the hex head cap screws provided 9 Route the ...

Страница 14: ...e and wire to the summing board Figure 4 3 Corner Numbering Top View Capacity of Scale LoadMount Part No Load Cell Part No 100 lbs 96823 100272 250 lbs 96824 104645 500 lbs 96825 100273 1000 lbs 96826 100274 Table 4 2 Replacement Load Cells Cable Color Code Summing Board Terminal Green Excitation Black Excitation White Signal Red Signal Table 4 3 Load Cell Cable Wiring Cable Color Code Summing Boa...

Страница 15: ...mination of such equipment by RLWS confirms that the nonconformity actually exists and was not caused by accident misuse neglect alteration improper installation improper repair or improper testing RLWS shall be the sole judge of all alleged non conformities Such equipment has not been modified altered or changed by any person other than RLWS or its duly authorized repair agents RLWS will have a r...

Страница 16: ...t 1 0 mV V 10 End Load Capacity 60 of full scale capacity Cable Length 20 6 1 m for connecting junction box to indicator Warranty Two year limited warranty Certifications and Approvals NTEP CoC 08 017 Accuracy Class III 5000 d Except 1000 lb capacity models Measurement Canada AM 5660 Class III 5000 d Except 500 kg capacity models ...

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Страница 18: ...nada Mexico 800 321 6703 International 715 234 9171 Europe 31 0 26 472 1319 Rice Lake Weighing Systems is an ISO 9001 registered company Rice Lake Weighing Systems Specifications subject to change without notice www ricelake com PN 104742 Rev D October 23 2020 ...

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