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Questions
- What is the setpoint in a control chain?
- The desired value for a specific process variable
- The calculated value for the control variable fitting the reference value
- The measurement of the process value coming from the process
- What is the accuracy in a sensor?
- The maximum error that the sensor can make in a measurement operation
- The resolution of the sensor
- The deterministic error
- Which is the resolution of a 16-bit DAC converter that has a full-scale voltage of 10 volts?
- 0.152 mV
- 0.187 mV
- 1.5 mV
- In which electronic device is the A/D are integrated?
- Microcontroller
- Microprocessor
- Which are the three PLC graphical languages are provided by the IEC 61131 standard?
- Sequential Functional Chart, Ladder Diagram, and Instruction List
- Functional Block Diagram, Sequential Functional Chart, and Ladder Diagram
- Functional Block Diagram, Sequential Functional Chart, and Structured text
- In which scenario are DCSs typically preferred to PLCs?
- When the production process is discrete
- When the process requires determinism and a low scan rate
- When the production process is continuous and the product value is high
- What is the difference between polling and unsolicited data collection?
- Polling happens when changes are made, while unsolicited happens on a regular basis
- Polling uses a data filtering mechanism, while unsolicited uses a data compression mechanism
- Polling happens on a regular basis, while unsolicited happens when changes are made
- Which levels of the ISO-OSI model are in the EPA stack?
- 1, 2, and 7
- 1 and 2
- 5, 6, and 7
- Where is a SCADA application usually located?
- Between MES and PLC
- Between MES and DCS
- Between MES and Historian
- What is the best definition of an asset model?
- The asset model is the conceptual model of the physical or logical assets that the company uses to perform its business
- The asset model is the master data of a MES system
- The asset model is the logical model that allows for the exchange of information between the MES and ERP system