Rockwell Automation Interview Questions, Process, and Tips

My name is Amarendra Pratap Singh Yadav

Q1. Pannel wiring,PLC,SCADA, HMI
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Q2. SCADA full name Supervisory Controller And Data Acquisition
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Q3. HMI full name HMI is a hardware and software device
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Q1. React , hooks concept
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Q2. Bootstrap- UI and related questions
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About my educational background & work experience

Q1. How MIM works, roles and responsibilities
Ans. 
MIM (Microsoft Identity Manager) is a solution for managing identities, credentials, and access rights across on-premises and cloud environments.
• MIM helps organizations manage user identities, credentials, and access rights.

• Roles in MIM include administrators who configure and manage the solution, end users who interact with the system, and connectors that synchronize data between different systems.

• Responsibilities inc...read more
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Q2. Preparation of businesses communication
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Q1. Split alv Types of badis Steps for inbound idocs Control break statements Events in tmg Value table & check table Database utility Smod cmod Enhancement point and spot difference How to debug smartform Dy...read more
Ans. 
The question covers various topics related to SAP Sales Engineer role, including ALV splitting, BAdIs, IDocs, control break statements, events in TMG, value and check tables, debugging smartforms, enhancement points, and IDoc reprocessing.
• ALV splitting involves breaking down a large ALV grid into smaller parts for better performance.

• BAdIs (Business Add-Ins) are enhancements to standard SAP applications that allow custo...read more
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Q1. Cultural Fit questions along with techno functional questions like infotypes pms etc
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Q1. Basic HR discussion was held
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Q1. What is SCADA and use
Ans. 
SCADA stands for Supervisory Control and Data Acquisition. It is a system used for monitoring and controlling industrial processes.
• SCADA systems are used in various industries such as manufacturing, energy, water treatment, and transportation.

• They collect data from sensors and equipment in real-time, allowing operators to monitor processes and make decisions.

• SCADA systems can also control processes remotely, enabling a...read more
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Q2. Any 2 language PLC explain
Ans. 
Two common PLC programming languages are ladder logic and structured text.
• Ladder Logic: graphical programming language resembling electrical relay logic diagrams

• Structured Text: text-based programming language similar to high-level programming languages like C or Pascal
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Q3. HMI working principle
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HMI stands for Human Machine Interface, it is a device or software that allows users to interact with machines or systems.
• HMI allows users to monitor and control processes in real-time

• It provides a graphical interface for users to interact with machines

• HMI can display data, alarms, trends, and other information to operators

• Examples of HMI include touchscreens, push buttons, and software applications
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Q4. PLC smoking and sourcing
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Q5. What is PLC scaning time
Ans. 
PLC scanning time is the time taken by a PLC to complete one full scan cycle of reading inputs, executing logic, and updating outputs.
• PLC scanning time is typically measured in milliseconds.

• Factors affecting PLC scanning time include the complexity of the program, number of I/O points, and processor speed.

• Optimizing program logic and reducing unnecessary tasks can help improve PLC scanning time.

• For example, a PLC with ...read more
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Q6. What is PLC interlocking
Ans. 
PLC interlocking is a method used to prevent conflicting actions or conditions in a programmable logic controller system.
• PLC interlocking ensures that certain conditions must be met before a specific action can be taken.

• It helps prevent dangerous or undesirable situations by enforcing logical constraints.

• Examples include preventing two motors from running simultaneously or ensuring that a door must be closed before a m...read more
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It was MCQ + coding round

Q1. They will ask you some java questions
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Q2. They will make you write a pattern code.
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Q1. Situation based questions. What if your team ends up in some conflict how you will handle it
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Q1. Tell me about yourself
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Q1. Draw the star delta controlling
Ans. 
Star delta controlling is a method used to reduce the starting current of induction motors.
• Star delta controlling involves initially connecting the motor windings in a star configuration for starting, then switching to a delta configuration for running.

• It is commonly used for large induction motors to reduce the starting current and torque.

• The transition from star to delta configuration is typically controlled by a mot...read more
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Q2. How many contactor use in star delta??
Ans. 
In star delta connection, typically two contactors are used.
• In star delta connection, one contactor is used for star connection and another contactor is used for delta connection.

• The star contactor is typically rated for the current of one winding, while the delta contactor is rated for the full motor current.

• Using two contactors helps in reducing the starting current and torque in the motor.

• For example, a 3-phase moto...read more
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Q3. Draw the single line diagram for DOL.
Ans. 
Single line diagram for DOL is a simple representation of Direct-On-Line motor starter circuit.
• DOL starter consists of a contactor, overload relay, and start/stop push buttons.

• The single line diagram shows the connections between these components.

• The power supply is connected to the contactor, which is then connected to the motor.

• The overload relay is connected in series with the motor to protect it from overloading.

• St...read more
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