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Examine functions and components of Programmable Automation Controllers
Assessment Strategies
Tests, quizzes
Criteria
describe advantages of a PAC over hard-wired relay systems
identify major components of a typical PLC
define the terms discrete and analog
identify different types of programming devices
describe various I/0 schemes of a PAC
explain fixed versus modular I/O strategies
describe how basic AC and DC input and output modules work
define Optical Isolation and describe why it is used
describe the proper wiring connections for input and output devices and their corresponding modules
describe the function of I/0 shielding
list environmental concerns when installing PLC's
Illustrate input and output device connections
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Examine components of the central processing unit (CPU)
Assessment Strategies
Tests, quizzes
Criteria
describe the function of a processor
describe the typical project scan
describe two distinct types of memory
describe the function of a Watch Dog Timer
identify the two broad categories of memory use
identify different peripheral devices that are used with a programmable controller
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Differentiate project structure
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
describe the structure of a PAC project
list the project components (Tasks, Programs, Routines)
explain the various types of tasks (Continuous, Periodic, Event)
explain programming strategies
explain the use of subroutines
explain project creation
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Discriminate different memory organizations
Assessment Strategies
Tests, quizzes
Criteria
chart the types of information stored in each category of memory
define the term "Byte"
define the acronym "Bits"
define PAC data types (bool, integer, double integer, real)
diagram information types for certain categories of memory
define “tags”
define base vs alias tags
explain tag addressing
define retentive vs non-retentive memory
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Characterize the numbering systems used for PLC's
Assessment Strategies
Tests, quizzes
Criteria
identify decimal, binary, hexadecimal
convert one numbering system to another
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Discern the use of ladder diagrams
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
distinguish the parts of a wiring diagram
convert a wiring diagram to a ladder diagram
list the rules that govern a ladder diagram
define the Boolean term "AND," "OR," and "NOT"
interpret the Truth Tables
use Boolean functions to write simple programs
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Illustrate the techniques of programming a PLC
Assessment Strategies
Tests, quizzes, skills demonstration
Criteria
interpret the term "Line Programming"
recount basic programming techniques
describe the Force On and Force Off features and hazards associated with both
explain interlacing
characterizes the term "Dummy Relay"
explain toggling bits
explain Online and Offline
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Demonstrate PAC project creation
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
demonstrate creating new project in Studio 5000
illustrate defining the communication path
illustrate downloading the project to the PAC
describe adding required I/O to the project manually, while offline
describe adding required I/O to the project using Discover Modules, while online
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Explain basic relay type instructions
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
discern the Examine On instruction
discern the Examine Off instruction
write the logic for a standard Stop/Start motor circuit
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Demonstrate the OTE, OTL, OTU, ONS, timer and counter instructions
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
describe functionality of on-delay timer(TON), off-delay timer(TOF), and retentive on-delay timer (RTO)
define the timer instruction components (PRE, ACC, EN, TT, DN)
write a program using all three types of timers
explain how to extend the time range of timers by cascading
define the counter instruction components (PRE, ACC, CU, CD, DN, OV, UN)
write a program using the Up and Down Counters
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Program using data manipulation, comparison and math instructions
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
explain data transfer instructions (MOV, MMOV, CLR, BTD, COP, FLL, SWPB)
identify the standard Data Compare Instructions(EQU, NEQ, LES, LEQ, GRT, GEQ, CMP, LIM)
write logic that Compares Data to control an output
list the standard math instructions available in Rockwell PACs (ADD, SUB, MUL, DIV, SQR, MOD, etc.)
use data manipulation, compare and math instructions in several projects
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Set up Ethernet communications configuration in personal computers (PC) and PLC/PACs.
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
describe the Ethernet network
explain the function of the IP address and subnet mask
explain IP addressing schemes
demonstrate capability to establish a working Ethernet network
introduce RSLinx Classic software
describe the term “driver”
demonstrate the DF1 drivers for legacy PLCs
set up an ethernet devices (ETH) driver
set up the Ethernet I/P driver for programming PLC/PACs
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Start up and troubleshoot a PLC
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
follow Start-Up Procedures listed in the manufacturers' literature
explain how input devices are tested
test output devices using simple logic, forcing or toggling
adhere to safety considerations and precautions
describe how voltage readings are taken to check input and output modules
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Program miniature machines as a final project
Assessment Strategies
Tests, quizzes, skill demonstration
Criteria
program 3 miniature machines individually, each with own PAC
adapt projects to run all 3 stations together in a production line
program 3 miniature together, with one PAC and networked I/O