Scada, Plc, Sap Flashcards

1
Q

When are acknowledged alarms deleted?

A

Never

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2
Q

What are the 3 categories of SCADA alarms?

A

Critical
Non critical
Event

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3
Q

How many intersite modes are there and what are they?

A

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

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4
Q

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

A

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

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5
Q

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

A

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

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6
Q

Information technology policy: what institutes a security asset violation?

A

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

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7
Q

What does DWR monitor with information technology?

A

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

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8
Q

Who can check your usage?

A

Managers and supervisors

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9
Q

Who can access emails remotely?

A

anyone

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10
Q

What is a PLC”s original purpose

A

To replace relay controlled systems

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11
Q

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

A
Power supply
Inputs
Processor
Outputs
Memory system
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12
Q

What is the function of a PLC?

A

Uses integrated circuits instead of electromechanical devices to implement control functions

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13
Q

What is volatile memory?

A

Loses programmed contents of operating power is lost

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14
Q

Non volatile:

A

Retains programmed contents even during a complete loss of operating power

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15
Q

Application memory

A

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

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16
Q

Executive memory:

A

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

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17
Q

Ladder diagrams:

A

Softwired or programmed into PLC’s rather than hardwired

18
Q

I/O device

A

Physically hardwired to field devices

19
Q

ROM

A

Read only memory

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

20
Q

RAM

A

Read/write memory

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

21
Q

Scan

A

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

22
Q

PLC

A

Programmable logic controller

23
Q

Host

A

Receiving data from the RTU’s

24
Q

RTU

A

Remote terminal unit

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

25
Q

SOE

A

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

26
Q

FEP

A

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

27
Q

Time command

A

Provides set point and time scheduling function for control sequences

28
Q

Jurisdiction and who?

A

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

29
Q

Modem

A

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

30
Q

What is on the SAP user menu?

A
Transaction command bar
Main command bar 
Command field
Menu paths 
Information of the transaction
31
Q

What is a variant?

A

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

32
Q

Where can you find your time statement?

A

PT50

“Quota overview”

33
Q

What is a SAP favorite menu?

A

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

34
Q

How many times can you sign into SAP at once

A

You can login 4 times with six sessions in each login

35
Q

What are the two main SAP screens

A

Maintenance screen

Switching screen

36
Q

What does it mean when print icon is still available?

A

Not everything has been printed

37
Q

SAP stands for?

A

System application production

38
Q

SCADA stands for?

A

Supervisory controls and data acquisition

39
Q

What are the SAP trigger words?

A
  • tag
  • untag
  • info
  • both
  • clear
40
Q

What can happen when set as prepared?

A

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

41
Q

What are the differences between sw for placement and removal pages

A

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