Midterm Review Flashcards
How many discrete Outputs are available at the 5601A IO module of SCADAPack 32?
14
In TelePACE, what is a coil register used for?
Discrete Output
is normally closed in ladder logics as an input device
Stop push button
High level data link control (HDLC), a multipoint and point-to-point link protocol is __________ protocol
a bit based
Why is an uninterrupted power supply (UPS) important?
provides uninterrupted power to mission critical devices
What would be the resolution of a 12 bit A/D converter?
1/4096
The address range of Status Registers on SCADAPack 32 Controller IO Data base is
10001 to 14096
A Local Area Network (LAN) is a _______ between computers, servers, terminals, etc.
communication path
first step in designing a solar PV system?
Calculate total watt-hours per day needed from the PV panels
The Remote Terminal Unit (RTU) can also act as a ______________ station.
relay
Maximum effective distance of serial communication Standard RS 232 at 9600 bps is ________
15 meters
How does a Thermal Electric Generator (TEG) produces power?
converting heat energy into electricity
How is power supplied to for an isolated card?
external power supply
AND,OR, NOT, and XOR are ____________ operations, that can be performed with relay contacts and coils.
logical
What is the starting address of assignment registers to store discrete output on the 5601A IO module of SCADAPack 32?
00001
NOT a common protocol used in radio communications and telemetry systems?
ARP
A complex supervisory control and data acquisition (SCADA) system typically have _________ hierarchies.
five
error that cannot be removed from most analog to digital converters
linearity
The RTU should be able to operate from ______________ or _______________
110/240 V AC +- 10% or 12/24/48 V DC +- 10%
What is the starting address of assignment registers to store analog input on the 5601A IO module of SCADAPack 32?
30001
Low humidity air can generate static electricity on the circuit boards due to
stray capacitance
SCADA software can be divided into how many types?
2
How many discrete Inputs are available at the simulator on the panel with SCADAPack 32
14
Maximum effective distance of serial communication Standard RS 485 is ________ .
1200 meters
High humidity level may cause ________________ on the circuit borads.
short-circuiting
Contacts wired in parallel have AND logical relationship.
False they have OR logic
In TelePACE, what is a holding register used for?
Analog Output
What form of power is most commonly used as a supply source to power internal components of SCADAPAck32?
DC
RTUs having more than 200 digital and 50 analog input points are classified as
large
The output of the multiplexer is generally goes to a(n)
analog to digital converter
How many analog Inputs are available at the simulator on the panel with SCADAPack 32?
8
In TelePACE, what is an Input register used for?
analog input
NOT a component of analog input module?
Interface to operator station
software used to program PLCs/RTUs?
Telepace, Roclink, UnityPro
samples several analog inputs in turn and switch each to the output in sequence?
multiplexer
The address range of Input Registers on SCADAPack 32 Controller IO Database is
30001 to 39999
What is the starting address of holding assignment registers on SCADAPack 32?
40001
The RTU is normally installed in a remote location with fairly harsh environmental conditions. One of the typical condition is surge protection which have a value of
2.5 kV, 1 MHz for 2 seconds
How is a power supplied for a dry contact card?
terminal strip on the card
How many Analog inputs are available at the 5601A IO module of SCADAPack 32?
8
While working on RTU panels maintenance personnel should wear a(n) ___________ to minimize the risk of creating and transfering static voltages.
ground strap
The horizontal lines of a ladder diagram are referred to as:
rungs
perform calculations, usually using floating point arithmetic
Airthmetic instructions
compares the contents of words
Comparison
used for digital input
Status Register
used to poll coils and register, having a different task
function code
keep track of how long something should be energized or de-energized
Timers
perform logical or boolean operations on 16-bit words
Logical Operation
Normally open or normally closed contacts, indicating whether the contact are open or closed
Standard Relay Type
Temporarily transfer control from the standard sequential path to another path and then return to the standar sequential path
subroutines
used to represent digital status
Coil
counts up or down for every transition of the input contact
Counter
