Lab 4: Interfacing Actuators

The purpose of this lab is to study the behavior of two actuators using the NI ELVIS II platform. The devices studied in this lab are an electromagnetic relay and a stepper motor.
by Dr. Petru A. COTFAS, Dr. Daniel T. COTFAS, Dr. Doru URSUTIU, and Dr. Cornel SAMOILA | Transilvania University of Brasov
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This is module 4 of 7 in the course set, NI ELVIS Computer-Based Instrumentation.

STUDENT MATERIALS

  • Downloadable lab manual
  • LabVIEW VI's needed for completing labs are included in download

SKILLS REQUIRED 

  • Basic understanding of LabVIEW and ELVIS II

LabVIEW

An integrated development environment designed specifically for engineers and scientists.

NI ELVIS

The NI Educational Laboratory Virtual Instrumentation Suite (NI ELVIS) is a versatile laboratory platform that enables educators to teach over 20 different courses across science and engineering departments. The NI ELVIS integrates 12 common lab instruments including an oscilloscope, function...

Required Software Download Academic Software, Learn About Software Licensing
  • LabVIEW 2014 or Later (requires license)
  • NI ELVISmx 14.0 or Later - Download
Required Hardware Purchase Engineering Education Products
  • NI ELVIS II or II+ - View Specifications, View User Manual
  •  One electromagnetic relay Chansin, of 12 V, initial contact resistance 100 mΩ (1A, 24 VDC), contact material silver alloy
  •  One transistor BC 177 NPN
  •  One transistor BC 107 PNP
  •  Two resistances of 100 kΩOne resistance of 1 mΩ
  •  One resistance of 1 kΩ
  •  One resistance of 2 kΩ
  •  One resistance of 10 kΩ;
  •  One resistance of 5.19 Ω, 5 W.
Component requirements for stepper motor testing include the following:
  •  One stepper motor from INEX Innovative Experiment of 12 V, 100 Ω, 7.5 degree/step
  •  One integral circuit ULN 2003 which has 7 NPN Darlington pairs
  •  Four LEDs
  •  Polarized resistors of 1 kΩ
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