Posted: February 26th, 2022

Module 9: Practical Distributed Control SystemsWritten Assessment

Module 9: Practical Distributed Control Techniques
Written Assessment
Complete Marks: 97 marks
Assessment Factors:
• Provide the required solutions beneath in a blue font (not purple or black).
• You need to submit this Assessment together with the sensible part.
• Reply all of the questions.
Module 9 Essential Questions:
• Question Assignment 1 & Question Assignment 20.
• These questions are obligatory to evaluate Module competency.
• Questions have to be answered utterly appropriately to be assessed as competent with a rating for this module.

Que 1: Clarify the variations between DCS and SCADA programs.
Notice – This Question Assignment is obligatory. It needs to be answered and college students are anticipated to get this Question Assignment utterly proper to be assessed as competent with a rating for this module.
Ans1:
Q2: Title the 5 (5) important ranges of SCADA programs.
A2:
Q3: Clarify the which means of good devices in a DCS system. And provides a easy diagram the place good devices are used to a pc based mostly system utilizing PLC and digital knowledge communications.
A3:
This fall: What are the necessities of the operator interface inside the DCS?
A4:
Q5: What needs to be achieved when the DCS operator needs to see knowledge? How a area communications failure is dealt with in a SCADA system?
A5:
Q6: Draw a typical format of the information communications paths in a DCS system, the place a lot of PLC’s acquire the information from area units and share that knowledge with operator stations by way of LAN.
A6:
Q7: Talk about the significance of “redundancy” in a DCS system.
Trace: Take into consideration sharing knowledge between SCADA and DCS
A7:
Q8: Briefly describe and provides a easy diagram for a chilly standby SCADA system.
A8:
Q9: Evaluate the features of DCS and PLC in a SCADA system.
A9:
Q10: Clarify the principle variations between DCS and PLC/SCADA programs.
A10:
Q11: What are some great benefits of “STAR” and “RING” topologies?
A11:
Q12: Clarify how digital inputs are utilized in a SCADA system and what functions they usually carry out.
A12:
Q13: Briefly describe the operate of “Packet Switching Techniques”?
A13:
Q14: Clarify how industrial Ethernet might be included in DCS programs.
A14:
Q15: Clarify the “Bastion” mannequin of safety.
A15:
Q16: What are the 5 (5) vital industrial community safety points?
A16:
Q17: Briefly describe “Polled” communication philosophy.
A17:
Q18: How can we effectively keep away from collisions in a “CSMA/CD” communication method?
A18:
Q19: What are the features of the DCS central processing unit. Additionally, embody in your reply a easy diagram for a “Control Program” which is used as a loop (or iteration).
A19:
Q20: Describe discrete & logic management. What’s a “Ladder Logic Diagram”?
Notice – This Question Assignment is obligatory. It needs to be answered and college students are anticipated to get this Question Assignment utterly proper to be assessed as competent with a rating for this module.
A20:
Q21: What is supposed by sequential & batch management?
A21:
Q22: Sketch a easy diagram exhibiting the algorithm for a steady management system which makes use of PID controllers.
A22:
Q23: Talk about intimately your understanding a couple of PID management algorithm and its elements.
Embrace in your reply a easy diagram together with set level processing, output processing, operator, and processor.
A23:
Q24: Briefly clarify the which means of “tagged slot”, and provides a minimum of 5 (5) examples of information factors.
A24:
Q25: What is supposed by “Timer Level” in a DCS system? What does it do?
A25:
Q26: What are the six (6) fundamental community safety measures?
A26:
Q27: What’s the major drawback of conventional firewalls?
A27:
Q28: Outline what is supposed by a “development window”? What are the features?
A28:
Q29: What are the three (three) major sorts of HMI screens?
A29:
Q30: Talk about human and ergonomic elements in alarm programs. Embrace in your reply a easy determine exhibiting appropriate place of the operator to the system.
A30:
Q31: Ergonomic design and research ought to be sure that vital environmental parameters are applicable to the necessities of the human operator.
Title a minimum of 5 (5) such parameters.
A31:
Q32: An alarm system can help the human operator in some areas.
Title a minimum of 4 (four) such vital areas.
A32:
Q33: By the use of a easy diagram, present typical operator actions throughout an irregular situation of the plant.
A33:
Q34: Clarify the idea of Security Integrity Degree (SIL).
Give a typical and easy diagram for “Discrete Security Integrity Ranges” vs PFD avg.
A34:
Q35: Clarify intimately the which means of SIL2 class of security integrity.
A35:
Q36: Title the actions concerned in designing of an alarm system.
A36:
Q37: Clarify how alarms are prioritized. Title a minimum of two (2) elements.
A37:
Q38: What are the advantages of “logging repeating alarms?
A38:
Q39: In regard to alarm reporting, describe the 4 (four) options of “alarm annunciator show?
A39:
Q40: In regard to upkeep, clarify your understanding of dependability of a DCS system?
A40:
Q41: What are the 2 fundamental necessities by way of DCS in-built diagnostics?
A41:
Q42: Clarify intimately the self-diagnosis ideas of a DCS system?
A42:
Q43: Talk about intimately the three (three) explanation why UPS’s are important for DCS management programs.
A43:
Q44: What actions does the “gateway interfacing module”, “controllers” and “historical past storage module” carry out within the restoration of a DCS system?
A44:
Q45: a) From the desk beneath put together an alarm tag record with applicable tag names and classify every tag as an vital (i.e. actionable) or warning alarm. (10 marks)
Tag Title Description Vary Models U_Limit L_Limit
AI-1000 Limestone crusher D.E. Opacity Monitor Zero-50 ug/m3 35 Zero
AI-1100 Display Home D.E. Opacity Monitor Zero-50 ug/m3 35 Zero
TIC-2000 Mill Inlet Temperature Zero-120 Deg C 100 60
PDC-2000 Mill Differential Stress Zero-400 mm Wg 275 125
TIC-2010 Mill Outlet Temperature Zero-150 Deg C 120 80
WC-2000 Mill Uncooked Materials Feed / movement fee Zero-225 tph 220 180
WIC-2010 Excessive Grade Limestone Feed / movement fee Zero-50 tph 45 Zero
WIC-2020 Feedable Grade Limeston Feed/Move fee Zero-180 tph 170 Zero
WIC-2030 Low Grade Limestone Feed / movement fee Zero-50 tph 40 Zero
WIC-2040 Components Feed/movement fee Zero-20 tph 18 Zero
b) Clarify the explanation(s) for classifying the alarms as both vital or warning. (10 marks)
c) Tag WC-2000 is the sum of the entire feed / movement to the mill. Clarify what tags are used to calculate this tag and the way the calculation could be achieved utilizing Operate Block Diagram language. (10 marks).
A45:
Q46: Design an Efficient Alarm Administration system utilizing MATLAB simulink for the next knowledge.
Take into account a Cement Grinding Ball Mill Bearings Lubrication System (as proven in fig) consists of an oil reservoir, two pumps – both of them provides (different stays as stand-by) lubrication oil to the Ball Mill inlet and outlet bearings.
Sl.no. FAULTS
1 Pump-1 failure
2 Pump-1 energy provide failure
three Pump-1 oil filter Diff.Stress Excessive
four Pump-2 failure
5 Pump-2 energy provide failure
6 Pump-2 oil filter Diff.Stress Excessive
7 Inlet Bearing Oil Move Low
eight Outlet Bearing Oil Move Low
9 Lub. Oil reservoir Temperature Excessive
10 Reservoir Lub. Oil Degree Low
Design a easy and efficient alarm administration system for the above faults utilizing MATLAB. For each fault situation, determine the alarm and likewise show corrective actions. 1or Zero can be utilized as enter parameter to set off sure faults like pump 1 failure… and many others. Assume some fault situations.
Present Snapshots for earlier than and after alarm set off by operating the MATLAB file.
PLEASE UPLOAD SIMULINK FILE.
Pattern:
A46:
Please Present IEEE references:

———

Module 9: Distributed Control Techniques in Motion
Written Analysis
Complete Marks: 97 factors

Factors for analysis:

• Fill within the blanks in blue font with the required solutions (not purple or black).

• This Assessment, together with the sensible part, have to be submitted.

• Reply to all the questions.

Essential Questions for Module 9:

• Questions 1 and 20.

• These questions have to be answered with a purpose to decide Module competency.

• To obtain a rating for this module, you could reply all the questions totally correctly.

Question Assignment 1: Clarify the distinctions between DCS and SCADA programs.

Notice – This Question Assignment is obligatory. It needs to be answered and college students are anticipated to get this Question Assignment utterly proper to be assessed as competent with a rating for this module.

Ans1:

Q2: Title the 5 (5) important ranges of SCADA programs

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