Ranada Prasad Shaha University – টেকনিশিয়ান (ইন্সট্রুমেন্টেশন ও কন্ট্রোল), সীড ক্রাশিং প্রজেক্ট – J
Posted: Mon Dec 01, 2025 11:43 am
Preparation Guide for Instrumentation & Control System Technician Position
1. Understand the Core Requirements
- Minimum education: Higher Secondary Certificate (HSC).
- Minimum experience: 3 years in industrial environments.
- Target sectors: FMCG manufacturing, shipping, packaged food & beverage, conglomerates, chemical, cement, paper, steel, LPG/cylinder gas.
- Technical expertise required: PLC, SCADA, VFD, Soft Starter, and hands‑on maintenance & troubleshooting of instrumentation.
- Language: Ability to read and write technical documents in Bangla (the job description contains Bangla terminology).
2. Build the Necessary Technical Knowledge
2.1 PLC (Programmable Logic Controller)
- Study the architecture of common PLC families (Siemens S7, Allen‑Bradley, Schneider).
- Learn ladder logic, function block diagram, structured text, and instruction list programming.
- Practice creating, downloading, and debugging programs on a training kit or simulation software (e.g., PLCSIM, RSLogix Emulate).
2.2 SCADA (Supervisory Control & Data Acquisition)
- Understand the hierarchy: field devices → PLC → SCADA → HMI.
- Get familiar with SCADA platforms such as Wonderware, Ignition, or Siemens WinCC.
- Practice configuring tags, alarms, trending, and creating basic graphics screens.
2.3 VFD (Variable Frequency Drive) & Soft Starter
- Study the principles of motor control, speed‑frequency relationship, and torque.
- Learn parameter setting for VFDs (acceleration/deceleration times, current limits, PID control).
- Practice wiring and commissioning soft starters, understanding start‑up torque reduction.
2.4 Sensors, Transducers, and Measuring Instruments
- Review types of sensors (temperature, pressure, flow, level, proximity, ultrasonic).
- Understand signal conditioning (4‑20 mA, 0‑10 V, digital protocols like HART, Modbus).
- Practice calibration procedures and use of handheld calibrators.
2.5 Control Panels & Electrical Wiring
- Study IEC/NEC standards for panel construction, terminal block selection, and cable routing.
- Practice reading and creating wiring diagrams, loop diagrams, and single‑line schematics.
3. Gain Practical Experience
1. On‑the‑Job Training – If you are currently employed, rotate through departments that handle instrumentation, PLC programming, and motor control. Request supervised projects that involve fault diagnosis and preventive maintenance.
2. Simulation Projects – Build a small test rig with a PLC, a VFD, a motor, and a few sensors. Simulate common faults (open circuit, shorted sensor, erroneous PLC logic) and practice troubleshooting.
3. Certification Courses – Enroll in short‑term courses offered by local training institutes or online platforms (e.g., Siemens Certified PLC Programmer, Rockwell Automation Fundamentals, ABB VFD Training). A certificate enhances credibility.
4. Safety & Compliance – Complete a basic industrial safety course (e.g., OSHA 10‑hour, local electrical safety standards). Understand lock‑out/tag‑out (LOTO) procedures, fire safety, and personal protective equipment (PPE) requirements.
4. Documentation & Reporting Skills
- Learn to maintain a daily log of maintenance activities, including time stamps, equipment IDs, actions taken, and parts replaced.
- Practice preparing concise daily reports that highlight: work performed, any deviations, corrective actions, and recommendations for improvement.
- Familiarize yourself with digital record‑keeping tools (MS Excel, maintenance management software like SAP PM or Maximo).
5. Prepare for the Interview
1. Resume Tailoring
- Highlight 3+ years of experience in the listed industries.
- List specific PLC platforms, SCADA systems, VFD brands, and soft starter models you have used.
- Mention any certifications, safety training, and notable projects (e.g., “Reduced downtime by 15 % through proactive sensor calibration”).
2. Technical Questions
- Be ready to explain how you would troubleshoot a non‑responsive PLC I/O module.
- Prepare a step‑by‑step method for commissioning a new VFD‑controlled pump.
- Expect scenario‑based questions about handling an alarm flood on a SCADA screen.
3. Practical Demonstration
- Some employers request a short on‑site test. Review wiring standards, quickly read a ladder diagram, and demonstrate a basic program change on a PLC simulator.
4. Behavioral Topics
- Emphasize safety awareness: describe a time you identified a potential hazard and took corrective action.
- Show teamwork: talk about coordination with mechanical, civil, and production teams to resolve a plant‑wide issue.
5. Language & Communication
- Since the job description includes Bangla, be prepared to discuss technical concepts in both English and Bangla. Practice translating common terms (e.g., “রক্ষণাবেক্ষণ”, “সেন্সর”).
6. Personal Preparation Checklist (12‑Week Plan)
| Week | Focus Area | Action Items |
||||
| 1‑2 | Review core concepts | Read PLC & SCADA textbooks, watch tutorial videos, list all sensors you have worked with. |
| 3‑4 | Hands‑on practice | Set up a test bench with a PLC kit, program simple start‑stop, timer, and counter logic. |
| 5‑6 | VFD & Soft Starter | Configure a VFD in a lab, practice parameter changes, simulate motor start‑up scenarios. |
| 7‑8 | Calibration & Maintenance | Perform calibration on temperature and pressure transducers, document steps, practice LOTO. |
| 9‑10 | Documentation | Create sample daily logs and reports using Excel; practice concise writing. |
| 11 | Interview mock | Conduct a mock interview with a colleague, covering technical and behavioral questions. |
| 12 | Final polish | Update résumé, gather certificates, prepare a portfolio of screenshots of PLC programs and SCADA screens. |
7. Additional Tips
- Keep a portable toolbox with essential multimeters, insulation testers, cable strippers, and a laptop with PLC programming software.
- Build a small reference notebook with common fault codes for PLCs, VFDs, and sensors used in the industries listed.
- Stay updated on industry trends: read articles on Industry 4.0, IoT integration in process control, and emerging safety standards.
- Network with professionals from target sectors via industry forums or LinkedIn groups; they may share insights on typical plant setups.
Conclusion
By reinforcing your theoretical knowledge, gaining hands‑on experience with PLCs, SCADA, VFDs and soft starters, and sharpening your documentation and safety practices, you will be well‑prepared to meet the employer’s expectations for an instrumentation and control systems technician in a high‑risk industrial environment. Follow the 12‑week plan, tailor your résumé, and practice clear communication in both English and Bangla to increase your chances of securing the position. Good luck!
1. Understand the Core Requirements
- Minimum education: Higher Secondary Certificate (HSC).
- Minimum experience: 3 years in industrial environments.
- Target sectors: FMCG manufacturing, shipping, packaged food & beverage, conglomerates, chemical, cement, paper, steel, LPG/cylinder gas.
- Technical expertise required: PLC, SCADA, VFD, Soft Starter, and hands‑on maintenance & troubleshooting of instrumentation.
- Language: Ability to read and write technical documents in Bangla (the job description contains Bangla terminology).
2. Build the Necessary Technical Knowledge
2.1 PLC (Programmable Logic Controller)
- Study the architecture of common PLC families (Siemens S7, Allen‑Bradley, Schneider).
- Learn ladder logic, function block diagram, structured text, and instruction list programming.
- Practice creating, downloading, and debugging programs on a training kit or simulation software (e.g., PLCSIM, RSLogix Emulate).
2.2 SCADA (Supervisory Control & Data Acquisition)
- Understand the hierarchy: field devices → PLC → SCADA → HMI.
- Get familiar with SCADA platforms such as Wonderware, Ignition, or Siemens WinCC.
- Practice configuring tags, alarms, trending, and creating basic graphics screens.
2.3 VFD (Variable Frequency Drive) & Soft Starter
- Study the principles of motor control, speed‑frequency relationship, and torque.
- Learn parameter setting for VFDs (acceleration/deceleration times, current limits, PID control).
- Practice wiring and commissioning soft starters, understanding start‑up torque reduction.
2.4 Sensors, Transducers, and Measuring Instruments
- Review types of sensors (temperature, pressure, flow, level, proximity, ultrasonic).
- Understand signal conditioning (4‑20 mA, 0‑10 V, digital protocols like HART, Modbus).
- Practice calibration procedures and use of handheld calibrators.
2.5 Control Panels & Electrical Wiring
- Study IEC/NEC standards for panel construction, terminal block selection, and cable routing.
- Practice reading and creating wiring diagrams, loop diagrams, and single‑line schematics.
3. Gain Practical Experience
1. On‑the‑Job Training – If you are currently employed, rotate through departments that handle instrumentation, PLC programming, and motor control. Request supervised projects that involve fault diagnosis and preventive maintenance.
2. Simulation Projects – Build a small test rig with a PLC, a VFD, a motor, and a few sensors. Simulate common faults (open circuit, shorted sensor, erroneous PLC logic) and practice troubleshooting.
3. Certification Courses – Enroll in short‑term courses offered by local training institutes or online platforms (e.g., Siemens Certified PLC Programmer, Rockwell Automation Fundamentals, ABB VFD Training). A certificate enhances credibility.
4. Safety & Compliance – Complete a basic industrial safety course (e.g., OSHA 10‑hour, local electrical safety standards). Understand lock‑out/tag‑out (LOTO) procedures, fire safety, and personal protective equipment (PPE) requirements.
4. Documentation & Reporting Skills
- Learn to maintain a daily log of maintenance activities, including time stamps, equipment IDs, actions taken, and parts replaced.
- Practice preparing concise daily reports that highlight: work performed, any deviations, corrective actions, and recommendations for improvement.
- Familiarize yourself with digital record‑keeping tools (MS Excel, maintenance management software like SAP PM or Maximo).
5. Prepare for the Interview
1. Resume Tailoring
- Highlight 3+ years of experience in the listed industries.
- List specific PLC platforms, SCADA systems, VFD brands, and soft starter models you have used.
- Mention any certifications, safety training, and notable projects (e.g., “Reduced downtime by 15 % through proactive sensor calibration”).
2. Technical Questions
- Be ready to explain how you would troubleshoot a non‑responsive PLC I/O module.
- Prepare a step‑by‑step method for commissioning a new VFD‑controlled pump.
- Expect scenario‑based questions about handling an alarm flood on a SCADA screen.
3. Practical Demonstration
- Some employers request a short on‑site test. Review wiring standards, quickly read a ladder diagram, and demonstrate a basic program change on a PLC simulator.
4. Behavioral Topics
- Emphasize safety awareness: describe a time you identified a potential hazard and took corrective action.
- Show teamwork: talk about coordination with mechanical, civil, and production teams to resolve a plant‑wide issue.
5. Language & Communication
- Since the job description includes Bangla, be prepared to discuss technical concepts in both English and Bangla. Practice translating common terms (e.g., “রক্ষণাবেক্ষণ”, “সেন্সর”).
6. Personal Preparation Checklist (12‑Week Plan)
| Week | Focus Area | Action Items |
||||
| 1‑2 | Review core concepts | Read PLC & SCADA textbooks, watch tutorial videos, list all sensors you have worked with. |
| 3‑4 | Hands‑on practice | Set up a test bench with a PLC kit, program simple start‑stop, timer, and counter logic. |
| 5‑6 | VFD & Soft Starter | Configure a VFD in a lab, practice parameter changes, simulate motor start‑up scenarios. |
| 7‑8 | Calibration & Maintenance | Perform calibration on temperature and pressure transducers, document steps, practice LOTO. |
| 9‑10 | Documentation | Create sample daily logs and reports using Excel; practice concise writing. |
| 11 | Interview mock | Conduct a mock interview with a colleague, covering technical and behavioral questions. |
| 12 | Final polish | Update résumé, gather certificates, prepare a portfolio of screenshots of PLC programs and SCADA screens. |
7. Additional Tips
- Keep a portable toolbox with essential multimeters, insulation testers, cable strippers, and a laptop with PLC programming software.
- Build a small reference notebook with common fault codes for PLCs, VFDs, and sensors used in the industries listed.
- Stay updated on industry trends: read articles on Industry 4.0, IoT integration in process control, and emerging safety standards.
- Network with professionals from target sectors via industry forums or LinkedIn groups; they may share insights on typical plant setups.
Conclusion
By reinforcing your theoretical knowledge, gaining hands‑on experience with PLCs, SCADA, VFDs and soft starters, and sharpening your documentation and safety practices, you will be well‑prepared to meet the employer’s expectations for an instrumentation and control systems technician in a high‑risk industrial environment. Follow the 12‑week plan, tailor your résumé, and practice clear communication in both English and Bangla to increase your chances of securing the position. Good luck!