Mekanikal & InstrumentasiNovember 2020Online TrainingTechnical, Mechanical & Engineering

Online Training – Komprehensif PLC S7 300

Jadwal Pelatihan Online Training – Komprehensif PLC S7 300

TanggalTempatKota
26 - 27 November 2020--
10 - 11 November 2020--

DESCRIPTION

  • Be able to recognize S7 hardware and be able to replace modules when a fault occurs
  • Be able to operate the Step 7 software to make it perform certain tasks
  • Understand basic S7 instruction set and be able to make minor modifications to software
  • Be able to backup and restore a PLC program when required
  • Be able to perform basic system diagnostics when a problem occurs

 

COURSE OUTLINE

1. How Exactly Does A PLC Work?

  • The Led on the Output Card Means I am Getting Voltage Out Right? Does It?
  • What Exactly Happens in Between? There’s More than Just a Program in the CPU
  • How Exactly Does It Scan the Program?
  • What is this Watchdog Timer? Is it that Important?
  • Can I Use the Same Output Twice? That’s Bad Programming Isn’t It?
  • A PLC is a Logic Controller, so Use a Logical Approach to Fault Find It
  • What are the 8 Simple Test Points to Check?
  • The PLC is in RUN, that Means There’s a Program Right? Does It?
  • FORCING a Bit and Toggling a Bit is Pretty Much the Same Yeah? Depends on which PLC

2. How Do I Do the Following?

  • How do I Check Power is ON and PLC is in Right Mode (RUN or Program)
  • Check for a Fault Condition (is SF LED ON)
  • Establish a Link to the PLC (Accessible Nodes)
  • If Comms Problem Check PG/PC Interface
  • Create a Blank Project and Take a Backup
  • Open Project for PLC and Go on Line
  • Interrogate Diagnostics Buffer
  • Identify if it is a Hardware or Software Fault?
  • Change the Battery
  • Change Modules if Necessary (With Spares and Without Spares)
  • Identify if it is a PLC or Comms Fault (Profibus or MPI)
  • Check all Settings Against a Template, Node Address etc
  • Check Hardware Configuration
  • Clear Memory and Download Program
  • Check Software Against Latest Copy (Compare Function)
  • Monitor Program
  • Searching for Specific Operands and Instructions
  • Changing Timer, Counter Values on Line
  • Making Minor Mods Off Line and on Line
  • Check or Create a VAT Table to Establish Parameter Status
  • Force a Parameter if Required
  • Call Up Reference Data to Assist with Software Diagnostics
  • Archive and Retrieve Project
  • Display Documentation (Symbols and Comments)
  • Reassign an I/O Address and Change Software Addresses (Rewire Function)
  • Printing Cross Reference/Program Listings etc

3. Background Information Also Covered

4. Understanding of the Following:

  • Number Formats, Bits, Bytes, Words, Double Words
  • Binary, HEX, Octal, Floating Point, Integer
  • Data Types and Parameter Types, Bool etc
  • Block Types
  • Variable Types (Local and Global)
  • How to Monitor Various Blocks
  • Ladder, STL Programs
  • Basic Instructions, Contacts, Set, Reset etc
  • Timers, Counters
  • Comparators, Maths
  • How to Make Minor Mods
  • Altering Values in a VAT Table
  • Back Tracking Through a Program to Establish Where Power Flow Stops
  • Overall Reset Procedure
  • Fault Finding Tips

5. Course Equipment Per Delegate

  • S7 300 or 400 PLC
  • PC or Laptop
  • Simulator
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