Hot Favourite SCADA Interview Questions & Answers 2019:
Looking for the hot favourite SCADA interview questions 2019? Get them right here!
Here’s sharing with you, SCADA interview questions 2019, that are hot favourites of the interviewers. Go through these and prepare them, as it would be very useful for you during an interview.
List Of Top SCADA Interview Questions & Answers 2019:
1. Explain why companies use SCADA
SCADA serves to be a methodology that characterizes protection and performance of the data for the plant or the communication center. It helps enhance employee productivity and enables the economy to conserve energy.
2. Elaborate on the benefits of SCADA over rest of the protocols
SCADA permits users to come up with object-oriented graphs, they can provide trending graphs for data review in real time. SCADA additionally deals with big data, which makes possible for you to develop a database system that presents trends across a number of years. This permits the business a speedy access to critical data that can be utilized for future development and upgrades.
3. Which are some of the different levels of SCADA systems and machines?
SCADA machines come in various different forms. One can have field level devices, e.g. sensors. You can possess remote terminal units (RTUs), a primary controller or “master station,” or you can have a basic computer system interface that presents data for the user.
4. What do you mean by a DDE?
DDE happens to be the acronym for dynamic data exchange. With the help of the DDE offered communication protocol, devices happen to send and receive communication signals. This protocol is a Microsoft creation, so in case the shop is a Microsoft shop, you will most likely need to be aware of a few things reagrding DDE and how gadgets communicate.
5. What do you understand by an HMI?
An HMI – Human Machine Interface is the framework that connects with a SCADA database that displays data for the sake of user. The HMI enables the operator to review both indicative data and trending graphs.
6. In what manner does SCADA handle data?
SCADA systems collect data and transfer it to a central machine that processes the data. The SCADA software is utilized to deal with the data and display it to the user. SCADA additionally logs information regarding who runs reports and the data that is utilized.
7. Why would a company go for PLC over an RTU?
A programmable logic controller (PLC) is considerably less expensive and more adaptable with programming. PLCs have been supplanting RTUs on the grounds that they are additionally simpler to troubleshoot and possess more refined controls than RTUs.
8. Can you tell how does SCADA take care of the issues?
SCADA comes with an alert or alarm that interfaces with personnel to send them a warning when a particular system isn’t working appropriately.
9. What voltage does RTU make use of to operate with?
110V/240V is the voltage at which a remote terminal unit operates.
Do refer these SCADA interview questions, as they are very likely to come your way, during an interview.