Scada, Plc, Sap

Question 1

When are acknowledged alarms deleted?

Answer 1

Never

Question 2

What are the 3 categories of SCADA alarms?

Answer 2

Critical
Non critical
Event

Question 3

How many intersite modes are there and what are they?

Answer 3

Normal- Host/jurisdiction is POC
Fallback- Host/jurisdiction Is ACC
Backup-Host/jurisdiction is CBPOC

Question 4

What is the difference between scheduled and actual time in planning of a WCM?

Answer 4

Scheduled time is the unavailable time and the actual is when work is being done and maintenance has the equipment

Question 5

Does WCM verify a clearance within a clearance? What does it do?

Answer 5

No it only seems common points or at a piece of equipment being placed in opposite states

Question 6

Information technology policy: what institutes a security asset violation?

Answer 6

Physical/ electronic information being misused such as a loss of equipment, damage, malicious code infection etc.

Question 7

What does DWR monitor with information technology?

Answer 7

May monitor all IT resources including internet usage and network traffic to ensure that department policies are being followed

Question 8

Who can check your usage?

Answer 8

Managers and supervisors

Question 9

Who can access emails remotely?

Answer 9

anyone

Question 10

What is a PLC”s original purpose

Answer 10

To replace relay controlled systems

Question 11

How many parts are there to a PLC and what are they?

Answer 11

Power supply
Inputs
Processor
Outputs
Memory system

Question 12

What is the function of a PLC?

Answer 12

Uses integrated circuits instead of electromechanical devices to implement control functions

Question 13

What is volatile memory?

Answer 13

Loses programmed contents of operating power is lost

Question 14

Non volatile:

Answer 14

Retains programmed contents even during a complete loss of operating power

Question 15

Application memory

Answer 15

Provides a storage area for the user programmed instructions that form the application program

Question 16

Executive memory:

Answer 16

Collection of permanently stored programs that are a part of a PLC

Question 17

Ladder diagrams:

Answer 17

Softwired or programmed into PLC’s rather than hardwired

Question 18

I/O device

Answer 18

Physically hardwired to field devices

Question 19

ROM

Answer 19

Read only memory

Designed to permanently store a fixed program that can not usually be changed

Question 20

RAM

Answer 20

Read/write memory

Designed so that info can be written into or read from the memory storage area

Question 21

Scan

Answer 21

Process of reading the inputs, executing the program and updating the output

Question 22

PLC

Answer 22

Programmable logic controller

Question 23

Host

Answer 23

Receiving data from the RTU’s

Question 24

RTU

Answer 24

Remote terminal unit

Collects and transmits field data to the host system and executes supervisory control

Question 25

SOE

Answer 25

Sequence of events RTU collects soe data Sampled points from engineers RTU records every change in value Changes time stamped to the millisecond by the RTU

Question 26

FEP

Answer 26

Front end processor Polls all RTU’s to collect data Performs pre processing of data prior to sending it to host computer Control scanning Forward supervisory control commands from host to field termination points

Question 27

Time command

Answer 27

Provides set point and time scheduling function for control sequences

Question 28

Jurisdiction and who?

Answer 28

Sending jurisdiction determines which operator and dispatcher work stations can issue controls

Question 29

Modem

Answer 29

Hardware device that converts data from a digital format to be suitable for a transmission medium

Question 30

What is on the SAP user menu?

Answer 30

``` Transaction command bar Main command bar Command field Menu paths Information of the transaction ```

Question 31

What is a variant?

Answer 31

A way of saving a set of values in fields within a transaction so that they are already defaulted

Question 32

Where can you find your time statement?

Answer 32

PT50 | “Quota overview”

Question 33

What is a SAP favorite menu?

Answer 33

Your user menu containing all the transactions that you are authorized to run

Question 34

How many times can you sign into SAP at once

Answer 34

You can login 4 times with six sessions in each login

Question 35

What are the two main SAP screens

Answer 35

Maintenance screen | Switching screen

Question 36

What does it mean when print icon is still available?

Answer 36

Not everything has been printed

Question 37

SAP stands for?

Answer 37

System application production

Question 38

SCADA stands for?

Answer 38

Supervisory controls and data acquisition

Question 39

What are the SAP trigger words?

Answer 39

* tag * untag * info * both * clear

Question 40

What can happen when set as prepared?

Answer 40

Cannot make changes to existing lines except for sequencing or adding more text

Question 41

What are the differences between sw for placement and removal pages

Answer 41

Placement Green All lines with tagging sequence numbers are included followed by 2 or 3 pga for issuing and releasing Removal Red All lines with untagging sequence numbers are included