PASCO PS-3220 User manual

Reference Guide

013-15949A

Wireless Rotary Motion Sensor

PS-3220

*See the PASCO catalog or the PASCO web site for more information.

www.pasco.com

For downloadable experiments, go to www.pasco.com and enter PS-3220 in the Search window. Check under Resources.

Equipment Included Equipment Included

Wireless Rotary Motion Sensor Three-step Pulley

O-ring Small Thumbscrew

Micro USB Cable (1 meter) Thumbscrew

Required Item* Part Number

PASCO Data Collection Software: Capstone or SPARKvue see www.pasco.com

ON/OFF Button

Micro USB Port

O-Ring for

Three-step Pulley

Battery LED

Small Thumbscrew

Thumbscrew

Micro USB Cable

Support Rod Hole

PS-3220 Introduction

013-15949A

Introduction

The PASCO Wireless Rotary Motion Sensor is a versatile position and motion measuring

device. It measures angles to a resolution of 0.18°, and detects the direction of motion.

Markings on the outside of the case indicate which is the default positive direction. The

maximum speed is between 20 and 80 revolutions per second.

The sensor comes with a removable three-step pulley (10 millimeter (mm), 29 mm, and

48 mm diameters), and a rubber “O”-ring that fits into the largest diameter step. The

three-step pulley can be placed large-diameter down or large-diameter up on the shaft. A

tab on the inside of the pulley matches a notch on the outside of the shaft. The pulley has

a notch and a small hole in the outer edge of the largest and second largest steps for

attaching a string. One side of the sensor has a platform for mounting a Super Pulley with

Table Clamp (optional).

Using the Sensor

The sensor is designed to work with PASCO data collection software to measure position, velocity, and

acceleration. Use it to study optics, dynamics, centripetal force, or motion of a pendulum.

Data Collection Software

See the PASCO web site at

www.pasco.com/software

for help in selecting the right PASCO software and to check for the latest versions.

Equipment used with the sensor Equipment used with the sensor

Rotational Inertia Accessory Kit (ME-3420) (includes Ring and Disk Set (ME-3419), Pendulum

Accessory (ME-8969), and Super Pulley with Clamp (ME-9444B))

Physical Pendulum Set (ME-9633) Track String Adapter (ME-6569)

Rotating Platform (ME-8951) Centripetal Force Pendulum (ME-9821)

Gyroscope Mounting Bracket (ME-8963) Polarization Analyzer (OS-8533A)

Dynamics Track Mount Accessory (CI-6692) Three-Axis Gyroscope (ME-8960)

Three-Step Pulley Accessory (CI-6693)

PASCO Capstone SPARKvue

•Mac OS X •Mac OS X

•Windows •Windows

•iOS

•Android

•Chromebook

Platform

PS-3220 Introduction

013-15949A

Software Help

See the SPARKvue Help or PASCO Capstone Help for information about collecting, displaying, and analyzing data.

•In SPARKvue, select the HELP button ( ) in any screen including the Home Screen.

•In PASCO Capstone, select PASCO Capstone Help from the Help menu, or press F1.

Compatibility

For more information about wireless compatibility, see the PASCO website at:

www.pasco.com/compatibility

See Appendix B for more information about the PS-3500 Adapter and Mac OS X models.

Initial Step: Charge the Battery

• Connect the Cable: Use the Micro USB Cable to

connect the micro USB port on the side of the sensor

to a USB port or USB charger such as the PASCO

PS-2575 USB Single Port Charger. Charging begins

automatically. The charger circuit inside the sensor

turns itself off when the unit is fully charged. The

battery status LED will shine yellow as the battery is

charging, and will shine green when the battery is

charged. The battery is partially charged at the

factory. Initial charging time may be three hours or

longer depending on the power source and the

condition of the battery.

ON/OFF Information

To turn the sensor on, press the ON button. The status

LEDs will blink. To turn the sensor off, press and hold the ON button for a moment until the status LEDs stop

blinking. The sensor puts itself to sleep after one hour of inactivity if connected, and after several minutes if not

connected.

Platform Bluetooth SMART Compatibility

iOS iPad 3 and later

iPhone 4S and later

iPod touch 5 and later

SPARK LX / LXi All models

Android Android 4.4 and later

Chromebook Chrome OS (requires PS-3500 Adapter*)

Mac OS X Models introduced July 2011 or later*

Windows Windows 7 and later (requires PS-3500 Adapter*)

[]

To Micro USB port

Micro USB cable

To USB port

Micro USB

Port

ON/OFF

Button

Platform

Wireless Rotary Motion Sensor Set Up the Software

4013-15949A

LED Information

The Bluetooth and the Battery Status LEDs operate as follows:

For a wireless Bluetooth connection:

For a micro USB cable connection to a USB port:

For a micro USB cable connection to a USB charger:

*Logging: PASCO wireless sensors can either stream live data to a compatible device or log data (save it to the

sensor’s memory). The data can then be uploaded to the device for display and analysis at a later time. Logging

capability supports long-term or remote data collection while not connected to the device.

Note: The latest versions of SPARKvue and PASCO Capstone support logging. Check the PASCO Web page at:

www.pasco.com/software

for the latest software version.

Set Up the Software

SPARKvue

Connecting the Sensor to a Tablet or a Computer via Bluetooth

•For SPARKvue, select the Bluetooth icon. In the Wireless Devices list. The sensors are ordered by proximity

to the device. Select the correct address that matches the Device ID XXX-XXX number found on the sensor.

Select Done.

Connecting the Sensor to a Computer with the Micro USB Cable

•Connect the micro end of the included Micro USB Cable into the micro USB port on the side of the sensor.

Connect the other end of the Micro USB Cable to a USB port on the computer, or into a powered USB hub

connected to the computer.

•In the SPARKvue Home Screen, select a measurement from the list under the sensor’s name. A graph of the

measurement versus time opens.

Bluetooth LED Status Battery LED Status

Red blink Ready to pair Red blink Low power

Green blink Connected

Yellow blink Logging*

Bluetooth LED Status Battery LED Status

OFF -- Yellow ON Charging

OFF -- Green ON Charged

Yellow blink Logging*

Bluetooth LED Status Battery LED Status

Red blink Ready to pair Yellow ON Charging

Green blink Connected Green ON Charged

Yellow blink Logging*

PS-3220 Mounting the Wireless Rotary Motion Sensor

013-15949A

Collecting Data

•Select the Start button to begin collecting data.

PASCO Capstone

Connecting the Sensor to a Tablet or a Computer via Bluetooth

•For PASCO Capstone, select Hardware Setup in the Tools palette. In Hardware Setup the sensors are

ordered by proximity to the device. Select the address that matches the Device ID XXX-XXX number on the

sensor.

Select a display in the main window or from the Display palette. In the display, use the <Select Measurement>

menu to pick a measurement to be shown.

Connecting the Sensor to a Computer with the Micro USB Cable

•Connect the micro end of the included Micro USB Cable into the micro USB port on the end of the sensor.

Connect the other end of the Micro USB Cable to a USB port on the computer, or into a powered USB hub

connected to the computer.

•In PASCO Capstone, select a display in the main window or from the Displays palette. In the display, use the

<Select Measurement> menus to pick the measurement to be shown.

Collecting Data

•Select Record to begin recording data.

Troubleshooting the Sensor

•If the sensor loses Bluetooth connection and will not reconnect, try cycling the ON button. Press and briefly

hold the button until the status LEDs blink in sequence, and then release the button. Start the sensor in the

usual way.

•If the sensor stops communicating with the computer software or tablet application, try restarting the software

or application. If the problem remains, press and hold the ON button for 10 seconds and then release. Start the

sensor in the usual way.

•Turn Bluetooth off and then back on. Retry.

Mounting the Wireless Rotary Motion Sensor

The sensor case has two support rod holes that fit rods up to 12.7 mm

in diameter, such as the ME-8736 45 cm Stainless Steel Rod, and the

case can be put on the support rod using either of the support rod

holes.

It is possible to mount the Wireless Rotary Motion Sensor horizontally

on a support rod with the Three-step Pulley facing up or facing

sideways. You can mount the sensor vertically with the pulley facing

forward.

When mounted on a track as shown, a Rotary Motion Sensor could be

used to measure the motion of a PASCO Cart as it is pulled by a string

suspended over the Three-step Pulley of the sensor and attached to a

hanging mass.

Case

Wireless Rotary Motion Sensor Mounting the Wireless Rotary Motion Sensor

6013-15949A

Attaching Accessories to the Wireless Rotary Motion Sensor

Using the Disk from the Disk and Ring Set

(ME-3419)

For rotational inertia experiments, mount the

Wireless Rotary Motion Sensor with the Disk

horizontal. The underside of the Disk has a

square shaped indent that fits the

square-shaped top of the 3-Step Pulley. Mount

a Super Pulley with Clamp (ME-9448B) on the

platform at the side of the sensor. To provide a

known torque, wrap a string around one of the

steps of the 3-step Pulley. Arrange the end of

the string over the Super Pulley and attach a

hanging mass.

Adjust the Super Pulley on the platform so that

the string is tangent to the step on the 3-step

Pulley on the sensor.

Perform a conservation of angular momentum

experiment by dropping a second Disk onto the

first Disk as it is rotating. Alternately, attach one

of the Ring Alignment Devices to the first Disk

and then drop the Ring onto the first disk.(See

the suggested experiments.)

Super Pulley

with Table

Clamp

Disk

Wireless Rotary Motion

Sensor with 3-step

Pulley

Hanging

Mass

PS-3220 Mounting the Wireless Rotary Motion Sensor

013-15949A

Attaching the Pendulum Accessory Rod (part of ME-8969 Pendulum Accessory) to the Wireless Rotary

Motion Sensor

To mount the rod of the Pendulum Accessory to the Wireless Rotary

Motion Sensor, orient the 3-step Pulley so that the large diameter step is

away from the sensor case. The large diameter step has two pair of rod

guides opposite each other on the top edge. Align the rod with the rod

guides and use the captive screw in the center of the rod to attach the rod

and pulley onto the sensor’s shaft.

Point Mass Setup Attach the center of the rod to the 3-step Pulley and

shaft and mount the cylindrical masses at the ends of the rod to

investigate the rotational inertia (moment of inertia) of point masses.

Pendulum Setup Attach the end of the rod to the 3-step Pulley and

shaft. Mount a cylindrical mass on the rod to use the rod as a pendulum. Investigate

the period of oscillation of the pendulum when the amount of mass or the position of

the mass is changed. Investigate the period of oscillation as the amplitude of the

swing is changed.

Mounting the Wireless Rotary Motion Sensor on a PASCO Track

The sensor can also be mounted on the short rod that is part of the

Dynamics Track Mount Accessory (CI-6692).

Slide the square nut of the Dynamics Track Mount Accessory into the

T-slot on the side of the track. Adjust the position of the mounting

rod.on the Dynamics Track Mount Accessory.

When mounted on the track as shown, the Wireless Rotary Motion

Sensor could be used to measure the motion of a PASCO Cart as it

is pulled by a string suspended over the Three-step Pulley of sensor

and attached to a mass hanger.

Pendulum

Accessory Rod

Rod

guides

Cylindrical

mass

Shaft

Screw

Point Mass Setup

Dynamics

Track Mount

Accessory

Square

nut into

T-slot

Mounting rod

Wireless Rotary Motion Sensor Experiments

8013-15949A

See the PASCO web site at www.pasco.com for more information.

Mounting the Wireless Rotary Motion Sensor to a Gyroscope

Use the Gyroscope Mounting Bracket (ME-8963, available separately) to

mount the Wireless Rotary Motion Sensor to the Three-Axis Gyroscope

(ME-8960). Remove the gyroscope assembly from the vertical shaft of the

large “A” base. Mount the Gyroscope Mounting Bracket onto the vertical

shaft. Remove the three-step pulley from the Wireless Rotary Motion

Sensor, and mount the sensor on the Gyroscope Mounting Bracket with the

thumbscrews included with the bracket. Mount the slotted guide arm onto

the shaft of the Wireless Rotary Motion Sensor. Replace the gyroscope

assembly on the vertical shaft.

See the PASCO web site at www.pasco.com for more information.

Experiments

Experiments for the Wireless Rotary Motion Sensor in electronic format are available to download from the PASCO

web site.

www.pasco.com

Go to the web site, enter PS-3220 in the Search window, and check under Resources.

Three suggested experiments are:

•Rotational Inertia of a Point Mass

•Rotational Inertia of Disk and Ring

•Conservation of Angular Momentum.

Specifications

Item: Value

Three-step Pulley 10, 29 and 48 mm diameter

Sensor Dimensions 9 cm by 6.5 cm by 4 cm, 6.35 mm diameter shaft

Resolution ±0.09° or 0.0078 mm

0.02 mm (linear) and 0.09° (angular) at 2,000 points per revolution

Hanging

mass

PASCO

Cart

PASCO

Track

Mounting rod

Gyroscope

Mounting

Bracket

Slotted

guide

arm

PS-3220 Experiments

013-15949A

Rotational Resolution 0.00157 radian

Maximum Rotation Rate 30 rotations per second

Optical Encoder Bidirectional, indicates direction of motion, 4,000 divisions/rotation

Item: Value

Wireless Rotary Motion Sensor Technical Support

10 013-15949A

Technical Support

For assistance with any PASCO product, contact PASCO at:

Check the PASCO website for the latest version of the instruction manual.

www.pasco.com/manuals

Limited Warranty For a description of the product warranty, see the PASCO catalog. Copyright The PASCO scientific Instruction Manual is

providing the reproductions are used only in their laboratories and classrooms, and are not sold for profit. Reproduction under any other

circumstances, without the written consent of PASCO scientific, is prohibited. Rev: 11/18. Trademarks PASCO, PASCO Capstone, and

SPARKvue are trademarks or registered trademarks of PASCO scientific, in the United States and/or in other countries. For more information

visit

www.pasco.com/legal.

Product End of Life Disposal Instructions:

This electronic product is subject to disposal and recycling regulations that vary by country and region. It is your

responsibility to recycle your electronic equipment per your local environmental laws and regulations to ensure that

it will be recycled in a manner that protects human health and the environment. To find out where you can drop off

your waste equipment for recycling, please contact your local waste recycle/disposal service, or the place where

you purchased the product.

The European Union WEEE (Waste Electronic and Electrical Equipment) symbol (to the right)

and on the product or its packaging indicates that this product must not be disposed of in a

standard waste container.

Appendix A: Compatibility

Check the PASCO Web page at

www.pasco.com/compatibility

for the latest information on Bluetooth SMART compatibility.

Address: PASCO scientific

10101 Foothills Blvd.

Roseville, CA 95747-7100

Web: www.pasco.com

Phone: +1 916-462-8384 (worldwide)

877-373-0300 (U.S.)

Email [email protected]

Platform Bluetooth SMART Compatibility

iOS iPad 3 and later

iPhone 4S and later

iPod touch 5 and later

SPARK Element All models

Android Android 4.3 and later

Chromebook Chrome OS (requires PS-3500 Adapter*)

Mac OS X1Models introduced July 2011 or later

Windows 7 and 8 Requires PS-3500 Adapter*

Windows 10 Bluetooth SMART compatible

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