MPS PA Workbook - Festo Didactic · MPS®PA Workbook. 2 © Festo Didactic ... which allow access by...
Transcript of MPS PA Workbook - Festo Didactic · MPS®PA Workbook. 2 © Festo Didactic ... which allow access by...
2 © Festo Didactic GmbH & Co. KG • MPS®
PA
The Festo Didactic Learning System has been developed and produced solely for
vocational and further training purposes in the field of process automation and
technology. The company undertaking the training and/or the instructors is/are to
ensure that trainees observe the safety precautions specified in this workbook.
Festo Didactic herewith excludes any liability for damage or injury caused to
trainees, the training company and/or any third party, which may occur if the system
is in use for purposes other than purely for training; unless the said damage/injury
has been caused by Festo Didactic deliberately or through gross negligence.
Order No.:
Status:
Authors:
Editorial team:
Graphics:
548591
12/2006
J. Helmich, ADIRO
H. Kaufmann
M. Linn
V. Xhemajli, C. Green, T. Schwab, ADIRO
© Festo Didactic GmbH & Co. KG, 73770 Denkendorf, Germany, 2013
Internet: www.festo-didactic.com
e-mail: [email protected]
The purchaser shall receive a single right of use which is non-exclusive, non-time-
limited and limited geographically to use at the purchaser's site/location as follows.
The purchaser shall be entitled to use the work to train his/her staff at the
purchaser's site/location and shall also be entitled to use parts of the copyright
material as the basis for the production of his/her own training documentation for
the training of his/her staff at the purchaser's site/location with acknowledgement
of source and to make copies for this purpose. In the case of schools/technical
colleges and training centres, the right of use shall also include use by school and
college students and trainees at the purchaser's site/location for teaching purposes.
The right of use shall in all cases exclude the right to publish the copyright material
or to make this available for use on intranet, Internet and LMS platforms and
databases such as Moodle, which allow access by a wide variety of users, including
those outside of the purchaser's site/location.
Entitlement to other rights relating to reproductions, copies, adaptations,
translations, microfilming and transfer to and storage and processing in electronic
systems, no matter whether in whole or in part, shall require the prior consent of
Festo Didactic GmbH & Co. KG.
Intended use
© Festo Didactic GmbH & Co. KG • MPS®
PA 3
Preface ___________________________________________________________ 7
Introduction__________________________________________________________ 8
Safety and operating instructions ________________________________________ 9
Learning system for process automation _________________________________ 10
Training aims and project work _________________________________________ 12
Allocation of training aims and exercises _________________________________ 14
MPS®
PA components _________________________________________________ 22
Allocation of components and exercises __________________________________ 27
Methodological training aid for the instructor______________________________ 31
Methodological structure of the exercises_________________________________ 32
Designation of equipment _____________________________________________ 33
Basic definition ______________________________________________________ 33
Electrical components_________________________________________________ 33
Pneumatic components _______________________________________________ 35
Process-engineering components _______________________________________ 36
CD-ROM contents ____________________________________________________ 40
Contents
Contents
4 © Festo Didactic GmbH & Co. KG • MPS®
PA
Fundamentals of closed-loop control technology __________________________ 41
1. What is a system? _____________________________________________ 43
2. Open and closed-loop control technology __________________________ 44
3. Basic terminology of closed-loop control technology _________________ 46
4. Controlled systems ____________________________________________ 48
5. Identification of the controlled system ____________________________ 49
5.1 Dynamic behaviour ____________________________________________ 50
6. Characterisation of the response behaviour ________________________ 51
6.1 Order of a system______________________________________________ 52
6.2 Time constant ________________________________________________ 52
6.3 The inflectional tangent model ___________________________________ 53
7. The controller_________________________________________________ 55
7.1 Control response ______________________________________________ 55
7.2 The two-position controller _____________________________________ 56
7.3 The time response of a controller ________________________________ 58
7.4 Technical details of controllers ___________________________________ 60
8. Mode of operation of various controller types_______________________ 61
8.1 The P-controller _______________________________________________ 61
8.2 The I-controller _______________________________________________ 62
8.3 The PI controller ______________________________________________ 63
8.4 The PD controller ______________________________________________ 64
8.5 The PID controller _____________________________________________ 65
9. Optimisation method for controller settings ________________________ 66
9.1 Manual tuning of control parameters without knowledge of the system
behaviour ___________________________________________________ 68
9.2 Tuning rules according to Ziegler/Nichols __________________________ 69
9.3 Tuning rules according to Chien/Hrones/Reswick____________________ 70
9.4 Tuning method according to the rate of rise ________________________ 71
10. Summary ____________________________________________________ 73
Contents
© Festo Didactic GmbH & Co. KG • MPS®
PA 5
Part A – Filtration station
Exercise 1.1: System analysis and appraisal
Exercise 1.1.1: Designation of process components_________________________A-5
Exercise 1.1.2: Completing the P&I diagram _______________________________A-7
Exercise 1.1.3: Completing the pneumatic circuit diagram____________________A-9
Exercise 1.1.4: Determining the technical data of a system __________________A-11
Exercise 1.1.5: Drawing up the allocation list _____________________________A-13
Exercise 1.2: Measurement and open-loop control
Exercise 1.2.1: Characteristics of the prop. pressure valve/filter system _______A-17
Exercise 1.2.2: Logic operation ________________________________________A-21
Exercise 1.2.3: Operating range and operating point of a controlled system ____A-29
Exercise 1.2.4: Identifying a controlled system ____________________________A-33
Exercise 1.2.5: Ramped pressure stages ________________________________A-37
Exercise 1.3: Closed-loop control
Exercise 1.3.1: Two-position controller __________________________________A-39
Exercise 1.3.2: Closed-loop control using conti.-action controllers (P, I, PI) _____A-41
Exercise 1.3.3: Optimisation method according to Ziegler-Nichols ____________A-46
Part B – Mixing station
Exercise 2.1: System analysis and appraisal
Exercise 2.1.1: Designation of process components_________________________B-5
Exercise 2.1.2: Preparing a P&I diagram __________________________________B-7
Exercise 2.1.3: Completing the pneumatic circuit diagram____________________B-9
Exercise 2.1.4: Determining the technical data of a system _________________ B-11
Exercise 2.1.5: Drawing up the allocation list ____________________________ B-13
Exercise 2.2: Measurement and open-loop control
Exercise 2.2.1: Characteristics of the piping-pump system _________________ B-17
Exercise 2.2.2: Logic operation _______________________________________ B-24
Exercise 2.2.3: Operating range and operating point of a controlled system ___ B-33
Exercise 2.2.4: Identifying a controlled system ___________________________ B-36
Exercise 2.2.5: Mixing according to quantity_____________________________ B-40
Exercise 2.3: Closed-loop control
Exercise 2.3.1: Two-position controller _________________________________ B-43
Exercise 2.3.2: Closed-loop control using conti.-action controllers (P, I, PI) ____ B-45
Exercise 2.3.3: Manual tuning of controller parameters ___________________ B-50
Contents
6 © Festo Didactic GmbH & Co. KG • MPS®
PA
Part C – Reactor station
Exercise 3.1: System analysis and appraisal
Exercise 3.1.1:Designation of process components _________________________C-5
Exercise 3.1.2: Completing the P&I diagram _______________________________C-7
Exercise 3.1.3: Not applicable – no pneumatic components
Exercise 3.1.4: Determining the technical data of the system _________________C-9
Exercise 3.1.5: Drawing up the allocation list _____________________________C-11
Exercise 3.2: Measurement and open-loop control
Exercise 3.2.1: Characteristics of the heating system medium _______________C-15
Exercise 3.2.2: Logic operation ________________________________________C-22
Exercise 3.2.3: Operating range and operating point of a controlled system ____C-29
Exercise 3.2.4: Identifying a controlled system ____________________________C-32
Exercise 3.3: Closed-loop control
Exercise 3.3.1: Two-position controller __________________________________C-36
Exercise 3.3.2: Closed-loop control using conti.-action controllers (P, I, PI) _____C-38
Exercise 3.3.3: Tuning method according to the rate of rise _________________C-42
Part D – Bottling station
Exercise 4.1: System analysis and appraisal
Exercise 4.1.1: Designation of process components________________________ D-5
Exercise 4.1.2: Completing the P&I diagram ______________________________ D-7
Exercise 4.1.3: Completing the pneumatic circuit diagram___________________ D-9
Exercise 4.1.4: Determining the technical data of a system _________________ D-11
Exercise 4.1.5: Drawing up the allocation list ____________________________ D-13
Exercise 4.2: Measurement and open-loop control
Exercise 4.2.1: Characteristics of the metering tank/pump system___________ D-17
Exercise 4.2.2: Logic operation _______________________________________ D-22
Exercise 4.2.3: Operating range and operating point of a controlled system ___ D-29
Exercise 4.2.4: Identifying a controlled system ___________________________ D-33
Exercise 4.2.5: Inlet and outlet behaviour of the metering tank______________ D-37
Exercise 4.3: Closed-loop control
Exercise 4.3.1: Two-position controller _________________________________ D-43
Exercise 4.3.2: Closed-loop control using continuous-action controllers (P, I, PI) D-45
Exercise 4.3.3: Optimisation method according to Chien-Hrones-Reswick (CHR) D-50
© Festo Didactic GmbH & Co. KG • MPS®
PA 7
The Festo Didactic Learning System for process automation and technology is
designed to meet a number of different training and vocational requirements. The
systems and stations of the modular production system for Process Automation
(MPS®
PA) facilitate vocational and further training in line with industrial practice.
The hardware is comprised of didactically prepared industrial components.
The MPS®
PA stations provide you with an appropriate system whereby the following
key qualifications can be taught in a practice-related form
• Social competence
• Technical competence
• Methodological competence
In addition to this, team work, willingness to cooperate and organisational skills can
also be practised.
Actual project phases can be taught in training projects which include:
• Planning
• Assembly
• Programming
• Commissioning
• Operation
• Optimisation of control parameters
• Maintenance
• Fault finding
Preface
8 © Festo Didactic GmbH & Co. KG • MPS®
PA
This workbook is a component part of the learning system for process automation
and technology of Festo Didactic GmbH & Co. KG. The system represents a sound
basis for practice-oriented vocational and further training and facilitates a quick and
practice-related introduction to the technologies such as measuring and open and
closed-loop control of process-related variables.
First comes „learning by doing“ and understanding the effective relationships within
a control loop. Based on this you will gain the necessary knowledge regarding
formulas and calculation.
The control loops and control functions of the MPS®
PA stations replicate actual
processes:
Mixing, tempering, filtration and bottling as performed in industry.
The MPS®
PA learning system meets the multifaceted training requirements in a wide
range of different branches of industry, e.g.:
• Water supply and
• Waste water disposal
• Food industry
• Bulk material industry
• Chemical and petrochemical industry
• Bio/Pharmaceutical industry
• Paper industry
Reducing process costs, improving system reliability, preventing component wear
and tear, e.g. process-optimised operation of pumps, evaluating diagnostic data,
these are current topics which can be optimally pursued with the MPS®
PA learning
system.
• Modular – suitable for use as individual stations or in combination in the form of
a complete system.
• Safe – learning and working in a safe environment.
• Flexible – convertible in the blink of eye for different control variants.
Introduction
Practice-oriented
qualification
Clear trend:
From open to closed-loop
control
© Festo Didactic GmbH & Co. KG • MPS®
PA 9
In the interest of your own safety you should follow the safety instructions in the
manuals of the MPS®
PA stations.
General
• Trainees must only work on the MPS®
PA stations under the supervision of an
instructor.
• Observe the data sheets referring to the individual components, in particular all
notes regarding safety!
Safety and operating instructions
10 © Festo Didactic GmbH & Co. KG • MPS®
PA
The learning system for process automation is comprised of a wide range of
individual training media and courses.
• Assembled and adjusted MPS®
PA station
• Control
– Simulation box, digital/analogue with connecting cables
– Software Fluid Lab®
-PA with EasyPort digital/analogue PC interface,
connecting cable and PC
– PLC board or EduTrainer with touch panel
• PC with installed PLC programming software
• Power supply unit
• Optional training media
• Tools
• Complete laboratory installations
Training documentation
Textbooks Fundamentals of pneumatic control technology
Maintenance of pneumatic devices and systems
Programmable logic controllers, basic level
Workbooks Programmable logic controllers, basic level
Regulation of temperature, flow and fill level
Optional teachware WBT Fundamentals of electropneumatics
FluidSIM® 4.0 Pneumatics
WBT Fundamentals of open and closed-loop control
Learning system for process automation
Important elements of
MPS®
PA
Learning system for process automation
© Festo Didactic GmbH & Co. KG • MPS®
PA 11
Courses
P111 Introduction to pneumatics
P121 Advanced pneumatic
MCR Fundamentals of closed-loop control technology
E311 Introduction to programmable logic controllers
Venues, dates and prices can be found in the current course planner.
Further training media is detailed in our catalogues and on the Internet. The learning
system for process automation is continually updated and expanded. The
transparency sets, films, CD-ROMs and DVDs as well as technical books are available
in several languages.
12 © Festo Didactic GmbH & Co. KG • MPS®
PA
Training contents from the following areas can be carried out:
• Mechanics
– Mechanical construction of a station
• Process engineering
– Reading and preparation of flow diagrams and documentation
– Piping up of process engineering components
– System analysis
• Pneumatics
– Piping up of pneumatic components
• Electrotechnology
– Correct wiring of electrical components
• Sensor technology
– Correct use of sensors
– Measurement of non-electrical, process engineering and closed-loop control
variables
• Closed-loop control technology
– Fundamentals of closed-loop control technology
– Expansion of measuring chains into closed control loops
– Analysis of controlled systems
– Use of controllers
• PLC
– Programming and use of a PLC
– Structure of a PLC program
• Commissioning
– Commissioning of a process engineering system
– Commissioning of a control loop
• Fault finding
– Systematic fault finding on a process engineering system
– Inspecting, maintaining and servicing of process engineering systems
Training aims and project tasks
Training contents
Training aims and project tasks
© Festo Didactic GmbH & Co. KG • MPS®
PA 13
Project tasks covering the following topics can be carried out:
• Closed-loop control technology
– Controlled system for pressure control
– Flow rate control
– Temperature control
– Controlled system with compensation and large time constant
– Level control
• Safety monitoring of containers
– Use of a float switch
• Sensor technology
– Pressure measurement with pressure sensor and pressure gauge
– Flow sensor and display of fluids
– Use of level sensors
– Connection of a temperature sensor, signal conversion
– Level sensor for level detection
• Planning, implementing and documenting conversions
The hardware is comprised of didactically prepared industrial components and
systems.
The didactic methodological format of the teachware is harmonised for use with the
training hardware. The teachware includes the following:
• The workbook (with practical exercises, supplementary notes and solutions)
• The textbook (with fundamentals)
The tuition and training media is available in several languages and is designed both
for use in the classroom and self-tuition.
In terms of software, computer training programs and programming software are
available for programmable logic controllers.
A comprehensive range of courses covering the contents of the technology packages
completes the range of vocational and further training programmes.
Topics for project tasks
14 © Festo Didactic GmbH & Co. KG • MPS®
PA
MPS®
PA Filtration station
Training aims Ex
erc
ise
s
1.1
.1
1.1
.2
1.1
.3
1.1
.4
1.1
.5
1.2
.1
1.2
.2
1.2
.3
1.2
.4
1.2
.5
1.3
.1
1.3
.2
1.3
.3
System overview and components
To familiarise yourself with the
design and mode of operation of the
filtration station.
•
To be able to evaluate information
from data sheets • • • •
Functional description
To be able to read and amend flow
diagrams. •
To be able to read electrical circuit
diagrams. • • • • •
To be able to read and amend
pneumatic circuit diagrams. •
To familiarise yourself with the
design and mode of operation of a
pump.
• • • • • • • • •
To familiarise yourself with the
design and mode of operation of a
pressure sensor.
•
To familiarise yourself with the
design and mode of operation of
process valves.
• • • • • •
To familiarise yourself with the
design and mode of operation of limit
switches.
• • • •
To be able to establish the allocation
of the sensors and actuators of the
station and represent these in an
allocation list.
• •
Allocation of training aims and exercise
© Festo Didactic GmbH & Co. KG • MPS®
PA A-1
Part A – Filtration station _____________________________________________A-1
Exercise 1.1: System analysis and appraisal
Exercise 1.1.1: Designation of process components_________________________A-5
Exercise 1.1.2: Completing the P&I diagram _______________________________A-7
Exercise 1.1.3: Completing the pneumatic circuit diagram____________________A-9
Exercise 1.1.4: Determining the technical data of a system __________________A-11
Exercise 1.1.5: Drawing up the allocation list _____________________________A-13
Exercise 1.2: Measurement and control
Exercise 1.2.1: Characteristics of the prop. pressure regulator/filter system ____A-17
Exercise 1.2.2: Logic operation ________________________________________A-21
Exercise 1.2.3: Operating range and operating point of a controlled system ____A-29
Exercise 1.2.4: Identifying the controlled system __________________________A-32
Exercise 1.2.5: Ramped pressure stages ________________________________A-36
Exercise 1.3: Closed-loop control
Exercise 1.3.1: Two-position controller __________________________________A-39
Exercise 1.3.2: Closed-loop control using conti.-action controllers (P, I, PI) _____A-41
Exercise 1.3.3: Optimisation method according to Ziegler-Nichols ____________A-46
Contents
© Festo Didactic GmbH & Co. KG • MPS®
PA A-3
• To familiarise yourself with the design and mode of operation of the filtration
station.
• To be able to read and amend flow diagrams.
• To be able to read and amend pneumatic circuit diagrams.
• To familiarise yourself with the design and mode operation of a filter.
• To familiarise yourself with the design and mode of operation of a pump.
• To familiarise yourself with the design and mode of operation of a pressure
sensor.
• To familiarise yourself with the design and mode of operation of a process valve
• To familiarise yourself with the design and mode of operation of a limit switch.
• To be able to establish the allocation of the sensors and actuators of the station
and represent these in an allocation list.
• To be able to plot and analyse characteristic curves.
• To be able to create a program.
• To be able to determine the operating range and operating point of a controlled
system.
• To be able to identify a controlled system and determine the order of a system.
• To be able to configure a two-position controller and evaluate the control
response.
• To be able to configure continuous-action controllers (P, PI, PID) and evaluate the
control response.
• To be able to parameterise continuous-action controllers (P, PI, PID) according to
the Ziegler-Nichols tuning method.
The filtration station is to be used for the partial automation of a production process
in your company. In order to commission the station at a later stage, you are to
familiarise yourself with the functioning of the station and the most important
process components.
• For the analysis of the station you can use the digital/analogue simulation box;
digital/analogue EasyPort with FluidLab®
PA or PLC with touch panel.
• You will find information regarding the station and process components in the
station manual, operating instructions and data sheets.
1. Answer the questions and solve the exercises regarding the fundamentals of the
training contents mentioned.
2. Analyse and amend the circuit diagrams.
3. Draw up the allocation list.
4. Determine the characteristics of the components and then evaluate the
components.
5. Create the logic program.
6. Check the circuit sequence.
7. Determine the operating point of the controlled system.
8. Identify the controlled system and determine the order of the system.
Exercises MPS• PA Filtration station
Training aims
Information
Project assignment
Exercises MPS® PA Filtration station
A-4 © Festo Didactic GmbH & Co. KG • MPS®
PA
9. Set discontinuous-action and continuous-action controllers and evaluate their
behaviour.
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-5
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.1 Designation of process components Sheet 1 of 2
The filtration station filters a liquid which is pumped through the filter from the
waste water tank via a gate valve. The filtered liquid reaches the pure water tank via
a butterfly valve. The filter can be back-flushed by means of a flushing program. To
remove deposits, controlled compressed air is additionally blasted through the filter
to remove any particles.
You will find the necessary information in the manual of the MPS®
PA filtration
station.
The component designations can be found in the electrical circuit diagram and in the
P&I diagram of the station.
– Determine and complete the designations of the process components in the
system photo below.
3
1
2
4
Designation of process components
Information
Planning
Implementation
Exercises MPS® PA Filtration station
A-6 © Festo Didactic GmbH & Co. KG • MPS®
PA
Exercise1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.1 Designation of process components Sheet 2 of 2
– Complete the table.
No. Designation Meaning or function
1
Pressure sensor
2 F101
3
Gate valve
4 V103
5
3-way ball valve
You will find two different inscriptions for the gate valve in the electrical circuit
diagram or P&I diagram.
– Explain the difference.
Comprehension questions
Designation of
process components
Evaluation
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-7
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.2 Completing the P&I diagram Sheet 1 of 2
The P&I diagram is a technical drawing used in process technology. It represents the
process steps in schematic form. The P&I diagram expresses the geometric course of
the piping and also represents the open and closed-loop control components
according to DIN 10628. Measured variables are also referred to as
EMCS points in accordance with DIN 19227-1 (EMSR points).
You will find the necessary information in the manual of the MPS®
PA filtration
station.
The designations and symbols of the components can be found in the workbook
introduction.
– Collect the information regarding the correct designation and symbols and
complete the P&I diagram for the filtration station.
P&I diagram
The designation of components in the P&I diagram enables you to analyse the
functioning of the system.
Information
Planning
Implementation
Exercises MPS® PA Filtration station
A-8 © Festo Didactic GmbH & Co. KG • MPS®
PA
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.2 Completing the P&I diagram Sheet 2 of 2
– Complete the table.
– Describe the meaning or function of the designations below.
Designation Meaning or function
Filter
LS-
LA+
Digital pump
V
– State the difference between the designations of the measuring points
LA+ and LS+?
Comprehension questions
Functional description of
components
Evaluation
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-9
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.3 Completing the pneumatic circuit diagram Sheet 1 of 2
The allocation of pneumatic components in a circuit diagram is the differentiating
factor for the allocation of these components into their respective component
groups.
You will find the necessary information in the manual of the MPS®
PA filtration
station.
The circuit diagrams, designations and symbols of components can be found in the
workbook introduction, the technical documentation of the MPS®
PA station and in
FluidSIM®
Pneumatics.
– Collect the information regarding the correct designation and symbols of
pneumatic components and complete the pneumatic circuit diagram for the
filtration station.
Information
Planning
Implementation
Pneumatic circuit diagram
Exercises MPS® PA Filtration station
A-10 © Festo Didactic GmbH & Co. KG • MPS®
PA
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.3 Completing the pneumatic circuit diagram Sheet 2 of 2
– Complete the table.
– Describe the meaning or function of the designations below.
Symbol Meaning or function
5/2-way valve
– What is the meaning of the 5/2-way valve designation?
– What is the function of an exhaust air flow control on a pneumatic cylinder?
Comprehension questions
Functional description of
pneumatic components
Evaluation
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-11
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.4 Determining the technical data of a system Sheet 1 of 2
Different process components are used in the MPS®
PA filtration station. The
technical data regarding the function of components within the station are of major
significance.
You will find the necessary information in the manual of the MPS®
PA Filtration
station.
The data sheets and circuit diagrams of process components can be found in the
technical documentation of the MPS®
PA station.
– Look through the documentation and complete the table.
Component Designation in
flow diagram
Function Characteristics
Pump P201
Voltage [V] ______
Electric power [W] ______
Max. throughput [l/min]
______
Proportional-
pressure
regulator
Setpoint voltage [V] ______
Pressure range [bar] ______
3-way ball
valve
Min. pneum. pressure [bar] ______
Max. current intensity [mA]
______
Pressure
sensor
Pressure range [bar] ______
Sensor signal [V] ______
Limit switch
up
Filling amount up to contact [l] ______
Type (normally open/normally closed
contact) ______
Limit switch
down
Filling amount up to contact [l] ______
Type (normally open/normally closed
contact) ______
Information
Planning
Implementation
Technical data
Exercises MPS® PA Filtration station
A-12 © Festo Didactic GmbH & Co. KG • MPS®
PA
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.4 Determining the technical data of a system Sheet 2 of 2
– Describe the design and function of the proportional pressure regulator.
Comprehension questions
Evaluation
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-13
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.5 Drawing up the allocation list Sheet 1 of 3
In order to analyse the function of the MPS®
PA filtration station, the station is to be
controlled by means of the digital/analogue simulation box; digital/analogue
EasyPort with FluidLab®
-PA or PLC with touch panel. This enables you to allocate the
output and input signals. The allocation list forms the basis of programming a
process sequence of the station.
You will find the necessary information in the manual of the MPS®
PA filtration
station.
The data sheets and circuit diagrams of process components can be found in the
technical documentation of the MPS®
PA station.
– Fill the waste water tank with approx. 7 l of water.
– Connect the digital/analogue simulation box, digital/analogue EasyPort with
FluidLab®
-PA or the PLC with touch panel to the I/O terminal and the analogue
terminal of the station.
– Operate the pumps and valve and observe the system and LED statuses on the
I/O terminal of the system.
– Complete the allocation lists.
Symbol EasyPort/
Simbox address
PLC address Description Check
1B1 DI 0 Air jet pressure
DI 1
DI 2
1B4 DI 3 Tank B102 top
DI 4
DI 5
DI 6
DI 7
Symbol EasyPort/
Simubox
address
PLC address Description Check
1PV1 AI0 Actual value X (pressure)
Information
Planning
Implementation
Allocation list of
digital inputs
Allocation list of
analogue inputs
Exercises MPS® PA Filtration station
A-14 © Festo Didactic GmbH & Co. KG • MPS®
PA
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.5 Drawing up the allocation list Sheet 2 of 3
Symbol EasyPort/
Simubox
address
PLC address Description Check
DO 0
1M2 DO 1 Pump P101 – waste water
DO 2
DO 3
DO 4
DO 5
DO 6
DO 7
Symbol EasyPort/
Simubox
address
PLC address Description Check
1CO1 AO 0 Manipulated variable Y,
Proportional pressure regulator
Observe the status of all inputs and outputs and enter the result in the table.
Compare the input/output signal with the status displays on the digital/analogue
simulation box, digital/analogue EasyPort with FluidLab®
-PA or PLC with touch
panel.
Allocation list of digital
outputs
Allocation list of analogue
outputs
Check
Exercises MPS® PA Filtration station
© Festo Didactic GmbH & Co. KG • MPS®
PA A-15
Exercise 1.1: Filtration station – system analysis and appraisal
Name: Date:
1.1.5 Drawing up the allocation list Sheet 3 of 3
– Describe the behaviour of the analogue final control element (proportional
pressure regulator) when actuated via analogue signal.
Comprehension questions
Evaluation