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Summary of Contents for Bertec FIT
- Page 1 Instrumented Treadmill User Manual Version 2.1 2021 www.bertec.com...
- Page 3 Contact For customer support or sales, please contact: Bertec Corporation 2500 Citygate Drive Columbus OH, 43219 Phone: +1 614 543-8099 Fax: +1 614 430-5425 Information: info@bertec.com Sales: sales@bertec.com Support: support@bertec.com www.bertec.com Bertec Corporation Instrumented Treadmill Manual...
- Page 4 Copyright Version 2.0 Copyright © 2013 Bertec Corporation. All rights reserved. Information in this document is subject to change without notice. Companies, names, and data used in examples herein are fictitious unless otherwise noted. No part of this document may be reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose, without express written permission of Bertec Corporation or its licensees.
- Page 5 Except with respect to any Bertec Corporation products sold by or manufactured by any entity other than Bertec, its authorized distributors, or suppliers, which are provided “as is”, without warranty of any kind, Bertec warrants that (a) the Bertec hardware product is free of all defects in workmanship and material for a period of one (1) year from receipt by the end user or date of installation if such installation is performed by a representative of Bertec;...
- Page 6 Bertec Corporation Instrumented Treadmill Manual...
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Page 7: Table Of Contents
Cleaning Instructions Treadmill Start Up Control Panel Settings Data Acquisition and Load Calculations Amplifiers and Signal Converters Auto Zero Calculating Load Values Calculation of the Point of Application of Force and Couple Load Computation Example Bertec Corporation Instrumented Treadmill Manual... - Page 8 Bertec Corporation Instrumented Treadmill Manual...
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Page 9: Introduction
(four and seven adjustable gain models available). These amplifiers enable the user to establish a trade-off between the measurement range and the resolution of the treadmills. Bertec’s dual belt treadmills can easily be incorporated with the commercially available motion analysis systems to be used in a fully equipped locomotion laboratory. -
Page 10: Treadmill Design
Treadmill Design Bertec’s dual belt treadmill consists of two 20” treads running side by side. Each tread has a 6-component force plate integrated into its structure to measure loads exerted on the tread belts. Each tread is driven and controlled separately. The tread belt and force plate structure are constructed such that the forces generated by the tread belt and the tension from the driving timing belt are internal forces and do not affect the load measurement. -
Page 11: System Components
These cables should not span any large distances unsupported. The treadmill control cabinet is connected to a PC running the Bertec Treadmill Control Panel software in the following manner: A gray cable with a 9-pin d-sub connector exits the control cabinet and is plugged into an AM6500-TM unit. -
Page 12: Optional Equipment
Optional Equipment Incline: Do more tests. Analyze uphill and downhill movements up to 15 degrees. Overhead Structure and Harness: Ensures subject safety. Prevents falls and off-track movement. Users can be comfortable and confident during testing. Bertec Corporation Instrumented Treadmill Manual... -
Page 13: Safety Information And Labeling
4. Never operate the treadmill if it has a damaged cord or plug, if it is not working properly, or if it has been damaged. Contact Bertec Corporation for service examination and repair. 5. Never operate the treadmill with the control cabinet air vents blocked. Keep the air vents free of lint, hair, etc. - Page 14 Do not modify the plug provided with the product - if it will not fit the outlet, have a proper outlet installed by a qualified electrician. This product is for use on a circuit having a nominal rating more than 200 V and is factory equipped with a specific electric cord and plug to permit connection to a proper electric circuit.
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Page 15: Safety Labels
This label specifies the operating voltage, current, and frequency of each treadmill. Located on the Remote E-stop Pendant, this label informs the user that the pendant is used to stop the belt immediately. Bertec Corporation Instrumented Treadmill Manual... -
Page 16: Intended Use
These labels list the serial numbers for the treadmill and the Electronic Control Unit. If labels begin to wear to the point that they are illegible, contact Bertec Corporation for new ones. Intended Use Operation of the treadmill outside of the scope of intended use carries with it the risk of injury to the operator and subject and risk of damage to the treadmill system. -
Page 17: Installation
55˚F and 90˚F. To obtain a high quality measurement from Bertec treadmills, they should be installed in a way that is suitable for the type of measurement to be performed. First of all, the floor and structure underneath should be prepared to be as rigid as possible in order to minimize any vibrations. -
Page 18: Power Requirements
Three components of the treadmill system must be supplied with power: the treadmill control cabinet and both amplifiers. The cabinet will connect to its power supply using a straight bladed plug specified by Bertec. The cabinet should be within easy reach of the power source. -
Page 19: Site Preparation
(L x W). In case of suspended flooring these minimum dimensions apply to the units of the raised floor that needs to be removable (to decide on the exact locations of the support columns for suspended flooring consult Bertec Corporation for detailed dimensional drawings). -
Page 20: Dimensions
Installation Dimensions FIGURE 5: Instrumented treadmill (front view) FIGURE 6: Instrumented treadmill with incline (front view) Bertec Corporation Instrumented Treadmill Manual... - Page 21 Installation FIGURE 7: Instrumented treadmill (side view) FIGURE 8: Instrumented treadmill with incline (side view) Bertec Corporation Instrumented Treadmill Manual...
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Page 22: Checklist
Installation Checklist Use the following checklist to verify that your laboratory is ready for the Bertec Instrumented Treadmill installation. Skip the items in the list that do not apply to your installation setup. □ Mechanical characteristics of the floor are such that vibrations will not affect force measurements or they can be digitally low-pass filtered. -
Page 23: Installation Process
The treadmills are attached using specially designed large diameter stainless steel nuts. These should not be loosened by the customer unless under specific instructions from Bertec. In the case of a standard treadmill, each treadmill half is secured to its mounting plate using the stainless steel nuts mentioned above. -
Page 24: Lifting Of Treadmill Components
The end user should not attempt to disassemble or move any component of the treadmill belt units unless under specific instruction from Bertec or with the help of a Bertec installation professional. Lifting and movement instructions will be provided prior to the case of any approved move. The treadmill control cabinet can be repositioned at the end user’s discretion by means of rolling the cabinet on its castors. -
Page 25: Treadmill Start Up
Treadmill Start Up During installation, all of the cables necessary to control the treadmill will be hooked up by the Bertec installation team. The treadmill start-up procedure is outlined below. First, make sure all personnel and equipment are clear of the treadmill belts and incline structure, then power on the computer that is connected to the AM6500-TM unit and start the Bertec Treadmill Control Panel software. -
Page 26: Settings
Set button at the bottom of the Control Panel is clicked. The Set button only becomes active if this box is checked. This allows the user to program multiple changes in the treadmill conditions and have all of them go into effect at once. Bertec Corporation Instrumented Treadmill Manual... - Page 27 This section is used for remote control of the treadmill via a network. For functional limits as well as the increment change for velocity and acceleration used in the Control Panel further details, please contact Bertec directly. Bertec Corporation Instrumented Treadmill Manual...
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Page 28: Data Acquisition And Load Calculations
Bertec Corporation. With this new technology, the output signal has a very high signal-to-noise ratio, which means increased sensitivity and accuracy for the force plates. In addition, the digital technology makes the use of calibration matrices obsolete, since each plate comes with the calibration matrix already digitally stored on it. - Page 29 The input and output to the unit is through 9-pin and 15-pin female D-Sub connectors respectively. Bertec Corporation Instrumented Treadmill Manual...
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Page 30: Auto Zero
15-pin output connector. Note that auto zeroing sets all channels to near zero. True zeroing should be done by software at the time of data collection by subtracting a baseline reading from the collected data. Bertec Corporation Instrumented Treadmill Manual... -
Page 31: Calculating Load Values
(Figure 11 and Figure 12). The standard coordinate system is such that the positive y-direction points forward; x-axis is to the left when looking in the y-axis direction; and the z-axis is defined downwards by the right hand rule. Bertec Corporation Instrumented Treadmill Manual... - Page 32 The center of the coordinate system is at the inner corner of the arm block with the y-axis is forward, the x-axis is to the left (outwards, looking from behind), and the z-axis is downward. Bertec Corporation Instrumented Treadmill Manual...
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Page 33: Calculation Of The Point Of Application Of Force And Couple
Then, by dividing each output by the corresponding gain, the output signal values to be used in the Force and signal scale factors equation are obtained: = -1.450/10 = -0.145 V = 2.235/10 = 0.2235 V = 4.765/10 = 0.4765 V = 3.095/10 = 0.3095 V = -0.575/10 = -0.0575 V = -1.016/10 = -0.1016 V Bertec Corporation Instrumented Treadmill Manual... - Page 34 N/V to lb/V, and the last three factors from N•m/V to ft•lb/V. This can be done by multiplying the first three scale factors by 0.2248 lb/N, and last three scale factors by 0.7376 (ft•lb)/(N•m). Bertec Corporation Instrumented Treadmill Manual...
- Page 35 Bertec Corporation Instrumented Treadmill Manual...
- Page 36 Bertec Corporation 2500 Citygate Drive Columbus OH, 43219 Phone: +1 614 543-8099 Fax: 430-5425 www.bertec.com...
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