Scada, Plc, Sap Flashcards
When are acknowledged alarms deleted?
Never
What are the 3 categories of SCADA alarms?
Critical
Non critical
Event
How many intersite modes are there and what are they?
Normal- Host/jurisdiction is POC
Fallback- Host/jurisdiction Is ACC
Backup-Host/jurisdiction is CBPOC
What is the difference between scheduled and actual time in planning of a WCM?
Scheduled time is the unavailable time and the actual is when work is being done and maintenance has the equipment
Does WCM verify a clearance within a clearance? What does it do?
No it only seems common points or at a piece of equipment being placed in opposite states
Information technology policy: what institutes a security asset violation?
Physical/ electronic information being misused such as a loss of equipment, damage, malicious code infection etc.
What does DWR monitor with information technology?
May monitor all IT resources including internet usage and network traffic to ensure that department policies are being followed
Who can check your usage?
Managers and supervisors
Who can access emails remotely?
anyone
What is a PLC”s original purpose
To replace relay controlled systems
How many parts are there to a PLC and what are they?
Power supply Inputs Processor Outputs Memory system
What is the function of a PLC?
Uses integrated circuits instead of electromechanical devices to implement control functions
What is volatile memory?
Loses programmed contents of operating power is lost
Non volatile:
Retains programmed contents even during a complete loss of operating power
Application memory
Provides a storage area for the user programmed instructions that form the application program
Executive memory:
Collection of permanently stored programs that are a part of a PLC