Training Online – Komprehensif PLC

DESCRIPTION

1. Be able to recognize S7 hardware and be able to replace modules when a fault occurs
2. Be able to operate the Step 7 software to make it perform certain tasks
3. Understand basic S7 instruction set and be able to make minor modifications to software
4. Be able to backup and restore a PLC program when required
5. 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 Online
• 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 Online
• Making Minor Mods Offline and Online
• 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, 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. HMI (Human Machine Interface)

• Hardware HMI and Wiring & Connection
• Graphics Builder
• Text/Graphics
• Static and Dynamic properties
• Data Trending
• Message: Alarm & Events
• Upload dan Download Program
• Penggunaan Software Simulator
• Trouble Shooting
• Pembuatan Program Aplikasi HMI

6. SCADA (Supervisory Control & Data Acquisition)

• Pengenalan SCADA
• Configurasi SCADA
• Instalasi Software SCADA
• Pembuatan Sistem SCADA step by step:
  • Setup IO Driver
  • Setup Database
  • Pembuatan Screen SCADA
  • Link Tag name
• Trouble Shooting
• Dynamic Parameters
• Historical/Trending
• Mission Control
• System Control Utility (SCU)
• Security
• Setup SCADA Network antar Computer SCADA

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