Engineering Technology (Robotics) Model

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Engineering & Design

Activity Originally Created By: Jeremy Turner

Test for Amperage

Part of Lesson Plan: Lesson 6: The Ammeter

Activity Overview / Details

Students test the motors leads for current.  The multimeter needs to be configured for amperage.  An amperage clamp meter can be used instead of breaking the wire connection between the motor and controller.  Resources for clamp meters are below. Students use the Amperage Test Schematic (File Below) to record the amperage that is displayed on the meters display.

Materials / Resource

  • Amperage Test Schematic Amperage Test Schematic [ Download ] This schematic is from the FIRST Robotics original 2010 competition wiring diagram with edits for input fields. Use this resource only as an example. There are many places on the bench test that can be tested (not just between the motor and controller). An original of this wiring diagram is found below. You can add sticky note wherever you want the students to take a measurement. You can then scan and copy this schematic (with blanks) and distribute to your students.
  • 2010_Robot_Power_Distribution_RevA.pdf.pdf 2010_Robot_Power_Distribution_RevA.pdf.pdf [ Download ] 2010 Robot Power Distribution Schematic
  • clamp url Clamp URL [ Go to Site ] This is a great resource for sizing a Fluke amperage clamp meter for your own lab/ needs.
  • 330shock.asp 330shock.asp [ Go to Site ] Visit this link for a fun demo of the Fluke 337 amperage clamp meter