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Zeenni Technology Center for Engineering and Industrial Research
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Pneumatics

 
This module teaches the basic technology of pneumatic control as well as the operation and implementation of pneumatic elements, safety measures and fault finding.  It illustrates the design and operation of pneumatic circuits, then provides the knowledge necessary to the management and implementation of a complex electro-pneumatic circuit and to the development of circuit diagrams, it also presents the systematic configuration of commands.

 

The Pneumatics module consists of the following courses:
 
TP101- Pneumatics, Basic Level
Prerequisite: Technical Understanding
Training Contents:
Physical fundamentals of pneumatics
Function and application of pneumatic components
Designation & drawing of pneumatic symbols
Representation of motion sequences & switching statuses
Drawing pneumatic circuit diagrams in accordance with standards
Direct and indirect stroke-dependent control systems
Logical AND/OR functions of the input signals
Handle the design and simulation software FluidSim
Time-dependent control systems with time delay valve
Pressure-dependent control systems with pressure sequence valves
Fault finding in simple pneumatic control systems
Safety regulations

 

TP102- Pneumatics, Advanced Level

Prerequisite: TP101
Training Contents:
Function and application of pneumatic components
Stroke-dependent control systems with different sensors
Stroke-dependent control systems with preselect counter
Control systems with start and setting-up conditions
(AUTOMATIC/ MANUAL, SINGLE CYCLE/CONTINUOUS CYCLE, MANUAL STEP mode, STOP AT END OF CYCLE)
Control systems with vacuum components
Step diagram control systems/process-controlled sequence controls
Program control systems with stepper
Control systems with safety conditions (EMERGENCY-STOP/EMERGENCY-STOP reset)
Program control systems with stepper modules (Quick stepper)
Pneumatic counting, storing, adding
Resetting of components (e.g. back pressure valve, proximity switch
Time-program control / Time-oriented sequential control
Fault finding in extensive pneumatic control systems
Safety regulations
 
TP201- Electropneumatics, Basic Level
Prerequisite: Technical Understanding
Training Contents:
Physical fundamentals of electricity and pneumatics
Function and application of electro-pneumatic components
Designation and drawing of electro-pneumatic symbols
Representation of motion sequences and switching statuses
Drawing pneumatic and electrical circuit diagrams
Assembly of control systems with relays
Direct and indirect manual control systems
Direct and indirect stroke-dependent control systems
Logical AND/OR functions of the input signals
Electrical latching circuits
Using a magnetic proximity switch
Using a pressure switch
Fault finding in simple electro-pneumatic control systems
Safety regulations
 
 
Prerequisite: TP201
Training Contents:
Function and use of electro-pneumatic components
Stroke-dependent control systems with sensors
Stroke-dependent control systems with preselect counter
Control systems with marginal conditions (e.g. Single/continuous cycle, EMERGENCY-STOP)
Position-scheduled control/process orientated sequence controls
Timing controls/time orientated sequence controls
Program control systems with latching and resetting sequence
Fault finding in extensive electro-pneumatic control systems
 
TP111- Closed-loop Pneumatics
Prerequisite: TP202
Training Contents:
Fundamentals
Signal - Block diagram - Signal flow diagram - Test signals
Open-loop and closed-loop control - Closed control loop terminology
Stability and instability - Steady-state and dynamic behavior
Response to set-point changes and interference
Fixed-value, follow-up and timing control systems
Differentiation of a signal - Integration of a signal
 
Pneumatic Closed-Loop Controlled Systems
Controlled systems with and without compensation
Short-delay pneumatic closed-loop controlled systems
First-order pneumatic closed-loop controlled systems
Second-order pneumatic closed-loop controlled systems
Third-order pneumatic closed-loop controlled systems
Controlled systems with dead time
Classification of controlled systems according to their step response behavior
Operating point and system gain
 
Controller Structures PID
Two-step action controller
Three-step action controller
Multi-step action controller
Block diagrams for non-dynamic controllers -
P controller - I controller - D controller
PI, PD, PID controllers
Block diagrams for standard dynamic controllers
Status controller
Selection of controller structure
Response to interference and control factor
 
  Technical Implementation of Controllers
Structure of closed-loop control circuits
Pneumatic and electrical controllers
Analogue and digital controllers
Selection of a controller 
 
Directional Control Valves
Purpose of a directional control valve
Valve designs
Mode of operation of a dynamic 5/3-way valve
Designations and symbols for dynamic directional control valves
Steady-state characteristics for dynamic directional - control valves
Dynamic behavior of dynamic directional control - valves
Selection criteria for directional control valves
 
Directional Control Valves
Purpose of a directional control valve
Valve designs
Mode of operation of a dynamic 5/3-way valve
Designations and symbols for dynamic directional control valves
Steady-state characteristics for dynamic directional - control valves
Dynamic behavior of dynamic directional control - valves
Selection criteria for directional control valves

 

Pressure Regulators
Purpose of a pressure regulator
Designs of pressure regulators
Mechanical pressure regulator
Electrically-actuated pressure regulators with mechanical adjustment
Electrically-actuated pressure regulator with electrical adjustment
Pressure regulation with a directional control
Selection criteria for pressure regulators
 
Measuring Systems
Purpose of a measuring system
Measuring-system designs and interfaces
Selection criteria for measuring systems
 
Assembly, Commissioning and Fault-Finding
Closed-loop control circuits in automation
Planning – Assembly – Commissioning - Controller settings -Fault-finding
 
 
PCheckpoint – Learning Outcomes
Upon completion of this training, the participant will be able to:
design, assemble and test basic pneumatic circuits
maintain and troubleshoot pneumatic components and basic control systems
identify and describe the design, features and operation of pneumatic components
identify and explain symbols for pneumatic components
interpret technical specifications and data relating to pneumatic components
understand the fundamentals of compressed air generation
identify and tag malfunctions in production
perform regular preventive maintenance procedures
fill out and analyze various breakdown charts and tools
identify and troubleshoot basic pneumatic breakdowns
Identify failures
analyze the risk factors of simple pneumatic designs
apply safety measures and safety circuits
understand the principles of emergency and safety solutions
raise the safety of simple pneumatic designs
 
 
The simulation software used for this module is FluidSIM