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Quantum IEC

Quantum IEC. Module 18 Objectives: After completing this lesson, the learner will be able to: Create a Derived Function Block. Use a Derived Function Block in a Concept Project. Identify the use of a Derived function Block within a Project.

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Quantum IEC

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  1. Quantum IEC • Module 18 Objectives: • After completing this lesson, the learner will be able to: • Create a Derived Function Block. • Use a Derived Function Block in a Concept Project. • Identify the use of a Derived function Block within a Project. • Zoom into and animate the internal logic of a Derived Function block.

  2. Quantum IEC • The Derived Function Block

  3. Quantum IEC • Downloaded only one time independent from the number of invocations. • Allows online monitoring at runtime for every invocation.

  4. Quantum IEC • A DFB is user logic encapsulated in a reusable module / block. • It supports 32 input pins and 32 output pins. • DFB variables are internal and local to that DFB..... • It is created with CONCEPT DFB Editor, using FBD, LD, IL or ST languages. • A DFB is graphically depicted with double vertical lines.

  5. Quantum IEC • Variables: • Internal / Local assignments: • DFB Variables • NO located Variables • Constants • Literals • Inputs / Outputs (unlocated): • These variables are used to define the pins of DFBs

  6. Quantum IEC • NOTE: If Security is enabled, the User MUST have Supervisor or Tools access rights

  7. Quantum IEC • The Process • Develop logic in new CONCEPT program and simulate • Select all and copy logic code to Windows clipboard • Close CONCEPT software • Open CONCEPT DFB • Open new DFB: • Create new Section • Paste logic code from clipboard • Test / simulate finished DFB in CONCEPT project

  8. Quantum IEC • DFB Programming • Programs the same as CONCEPT projects • Multiple sections allowed • All specific Elements and Objects of the current Program language can be used, Including other DFBs • Languages available: FBD, LD, IL or ST • Languages NOT available: SFC

  9. Quantum IEC • DFB Variables: • Variable Editor, Inputs / Outputs / Variables

  10. Quantum IEC • DFB Variable Lookup Table: • Inputs / Outputs / Variables

  11. Quantum IEC • Saving DFB’s: Save as Global DFB • CONCEPT software distinguishes between global and local DFBs. • Global DFBs can be used in every project and DFB. • Global DFBs have to be saved under x:\concept\dfb.

  12. Quantum IEC • Saving DFB’s: Save as Local DFB • Local DFBs can be used only by projects saved in the same project directory and its local DFBs. • Local DFBs have to be saved under x:\project\dfb. • A Local DFB with the same name as a Global DFB will have priority

  13. Quantum IEC • Selection of Existing DFBs (Example)

  14. Quantum IEC • Modifying a DFB: • If you modify a DFB • Every usage of the DFB in every project using that DFB will be changed. • NOTE: Remember Local DFBs have priority over Global. • Concept distinguishes 4 different kinds of modification. All 4 types will result in the project file being “Not Equal” to the PLC!!

  15. Quantum IEC

  16. Quantum IEC DFB Demonstration and Lab

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