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Center for Curriculum and Transfer Articulation
Electronic Control Systems 1
Course: AIT205

First Term: 2019 Fall
 Lecture   3.0 Credit(s)   2.0 Period(s)   2.0 Load  
Subject Type: Occupational
Load Formula: T- Lab Load


Description: Overview of the area of Electronic Control Systems 1 of a manufacturing or industrial facility. Preparation to sit for the NIMS Duty Area 6: Electronic Control Systems Certification Exam.



MCCCD Official Course Competencies
1. Connect and test linear and switching DC power supplies. (I)
2. Install and test solid-state AC and DC discrete and analog relays. (II)
3. Install, adjust, and test analog sensors and signal conditioning equipment. (III)
4. Connect and transfer programs to a programmable controller (PLC) using a PC. (IV)
5. Create a basic PLC ladder-style program. (V-VII)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.
 
MCCCD Official Course Outline
I. Linear and switching DC power supplies (e.g. connecting, testing)
   A. Measure output (i.e. to determine noise or quality of filtering)
   B. Operations of:
      1. Positive/Negative (PN) junction diodes
      2. LED`s
      3. Zener diodes
      4. Voltage regulators
   C. Half wave and full wave rectifiers
   D. Capacitive, inductive, and resistive power filters
   E. Operations of biopolar and Field-effect transistors (FET) (used in power supplier), and silicon-controlled rectifiers (SCRS)
   F. Operation of linear and switching power supplies
      1. Connecting
      2. Testing
II. Solid-state AC and DC discrete and analog relays (e.g. installing, testing)
   A. Operation
      1. Discrete and analog solid-state relays
      2. Sourcing and sinking circuits
   B. Solid-state relay:
      1. Styles (also of mountings)
      2. Schematic symbols
      3. Specifications
   C. Solid-state relays in electrical circuit (given schematic)
      1. Installation
      2. Failures
      3. Multimeter testing
III. Analog sensors and signal conditioning equipment (e.g. installing, adjusting, testing)
   A. Operation
      1. 4-20 ma current output and voltage output signals
      2. Signal conditioners for analog sensors
      3. Thermistors, Resistance Temperature Detector (RTD) temperature sensors, and thermocouples
      4. Resistive, capacitive, and piezoelectric pressure sensors
   B. Interpreting specifications for analog sensors
   C. Sensors and associated signal conditioners
      1. Connecting (installing, adjusting)
      2. Testing
      3. Types of failures
      4. Adjust range and zero point (of analog signal conditioner)
IV. Connecting/transferring programs to a programmable controller (PLC) (using a PC)
   A. Basic operation of a PLC
   B. Basic operation and navigation of PC software for PLCs
   C. Nomenclature for PLC program file elements
   D. How PLCs are wired to power, I/O, and network devices
      1. PLC network operations
      2. Devices: how identified on PLC network
   E. Ladder logic (e.g. use and importance of comments)
   F. PLC modes (e.g. able to change modes)
   G. PLC and PC
      1. Connecting
      2. Transfer programs between PC and PLC
         a. Serial
         b. USB
         c. Ethernet connection
V. Basic PLC ladder-style program
   A. PC software, PLC program, and reviewing files
   B. Interpreting PLC programs:
      1. Internal and external contacts
      2. Timers
      3. Counters
      4. Non-retentive output coils
      5. Internal coils
      6. Subroutines
      7. Conditional commands
      8. Math commands
   C. Interpreting PLC programs that control/sequence electric motors and fluid power systems
   D. PLC I/O diagram interpretation
   E. I/O device identification by memory address
   F. Function of analog I/O card
   G. Address scheme of a PLC
   H. Operation and basic PLC commands related to:
      1. Internal and external contacts
      2. Timers
      3. Counters
      4. Non-retentive output coils
      5. Internal coils
VI. PLC component installation and testing
   A. Connecting and configuring Human/Machine Interface (HMI) to a PLC via network or direct connection
   B. Installing and configuring PLC and its components
   C. Powering up HMI
   D. Viewing data from HMI panel
   E. HMI screen navigation
      1. Touchscreen
      2. Function keys
   F. PLC program operation interpretation (using ladder logic program to interface to a hardware component)
VII. PLC system and controlled components troubleshooting
   A. PLC troubleshooting flow chart
   B. PLC program history
   C. Systemic methodologies
   D. HMI
      1. To troubleshoot PLC-controlled machine
      2. To troubleshoot HMI on a PLC-controlled machine
   E. Tune performance of PLC-controlled machine via:
      1. Mechanical adjustments
      2. Electrical adjustments
      3. Software adjustments
   F. Team skills to install, troubleshoot, and optimize systems
 
MCCCD Governing Board Approval Date: March 26, 2019

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.