Session 1 – Introduction to PLCs
Definition and Key Terms, Advantages and Benefits, PLC Components, Operation of PLCs, Operation Modifications of PLCs, Computers Versus PLCs, Applications and Sizes of PLCs, Number Codes and Systems
Session 2 – PLC Hardware
Central Processing Units (CPU), Memory Design and Types, Programming Terminal Devices, Data Recording and Retrieval, Input/Output (I/O) of a PLC, Discrete I/O Modules, Special I/O Modules, I/O Specifications
Session 3 – Programming Basics
Hardwired Logic Versus Programmed Logic, Processor Memory Organization, Program Scan, Bit-Level Logic Instructions, Instruction Addressing, Branch Constructions, Internal Relay Instructions, Programming Examine-If-Closed and Examine-If Open Instructions, Entering the Ladder Program, PLC Programming Software
Session 4 – Circuit Conversions
Seal-In Circuits, Electrical Interlocking Circuits, Latching Relays, Converting Relay Schematics into PLC Ladder Programs, Ladder Logic Program and Narrative Description, Program Editing and Commissioning
Session 5 – Programming Timers
Mechanical Timing Relays, Timer Instruction and Commands, On-Delay Timer Instructions, Off-Delay Timer Instructions, Retentive Timers, Cascading Timers and Reciprocating Timers
Session 6 – Programming Counters
Counter Instructions, Up-Counters, Down-Counters, Cascading Counters, Incremental Encoder-Counter Applications, Combining Counter and Timer Functions, High-Speed Counters
Session 7 – Data Manipulation
Data Manipulation Instructions, Data Transfer Operations, Data Compare Instructions, Data Manipulation Programs
Session 8 – Math Instructions
Basic Mathematical Instructions, Addition, Subtraction, Multiplication, Division, The Modulo Instruction, File Arithmetic Operations
Session 9 – Sequencers
Mechanical Sequencers, Sequencer Instructions, Sequencer Programs, Bit Shift Registers, Word Shift Operations
Session 10 – Program Control Instructions
Program Control, Master Control Reset Instructions, Jump Instruction, Subroutines, Immediate Input and Immediate Output Instructions, Forcing External (I/O) Addresses, Safety Circuitry, Selectable Timed Interrupt, Fault Routine, Temporary End Instruction, Suspend Instruction
Session 11 – PLC Troubleshooting
PLC Enclosures, Electrical Noise, Leaky Inputs and Outputs, Grounding, Voltage Variations and Surges, Preventive Maintenance, Processor Module, Input Malfunctions, Output Malfunctions, Ladder Logic Programs
