Unity Quiz

Which of these statements about SFC steps are true?
Qalifiers assign the maximum and minimum time to a step
None of the above
Each action that is linked to a step must have a qualifier which defines the control for that action
Qualifiers are used in the process of troubleshooting
Which feature of Unity Pro provides a graphical interface for operators?
Function block diagrams
Message window
Animation tables
Operator screens
A SFC transition is essentially a check to determine whether the sequence can process to the next step?
True
False
When is the data dictionary file in the CPU memory updated?
Each modification
Each .STU save
Each global program transfer
It is never updated
Which functions does the PLC simulator test?
PLC outputs
PLC inputs
Master tasks
Auxiliary tasks
Which of the programming languages used in Unity Pro are graphical?
Ladder diagram
Function block diagram
Instruction list
Structured text
Which of these programming languages are included in Unity Pro?
Visual basic
Function block diagram
Sequential function chart
C++
Which of these are task types used in Unity Pro?
Fast
Program operational unit
Auxiliary
Master
Elementary function blocks (EFBs) are similar to elementary functions except that they have internal states?
True
False
The communication application makes it possible to exchange data between which of these different devices connected to a bus or a network?
Processors with an Ethernet, Modbus, built-in Fipio or CANopen link
The terminal port of a processor
Specific rack-mounted communication modules
None of the above
The Libset supplied with Unity Pro allows users to store DFBs in one or more custom libraries. Which of these are advantages of the Libset?
Reuse data types defined in other projects
DFBs may be edited in Microsoft Word
Manage changes consistently, since version management is performed by Unity Pro
None of the above
Which programming languages may be used in SFC actions?
C++
FBD
Visual basic
IL
Customized function blocks are called?
Master tasks
Derived function blocks
Sections
Elementary function blocks
Which of the following are features of Derived Function Blocks?
Underlying code exists ONCE ONLY in the PLC
Support multiple nesting layers
User-derivable and re-usable
All of the above
What methods can be used to Add a device in the Profibus PRM library?
By adding a DTM provided by the vendor
By manually adding a generic device
By using the GSD filed provided by the vendor
It is not possible to add devices to the PRM library
Which of the following topologies are possible with EtheNet/IP?
Bus
Ring
Star
None of the above
What is the goal of an assembly instance in EtherNet/IP?
To discover the field bus automatically
To provide a set of predefined communication mapping profiles
To provide communications to Modbus Serial devices
To instantiate devices on the network
What is the maximum number of slaves that one CANopen master supports?
32
64
126
128
It is possible to implement a CANopen bus extension from an Advantys Remote I/O system?
True
False
UMAS can be considered as an extension of the Modbus protocol with a maximum message size of 1024 bytes?
True
False
What is the maximum length of a Profibus-DP segment (copper) at 500kbps?
4000m
1000m
400m
100m
What is the goal of FDT/DTM technology?
To be able to insert standard DTM compatible devices from any vendor
To ensure more reliability in the communication performance
To simplify by using a single software for configuration, process and diagnostics
To improve the communication with Unity Pro
What is the typical response time for Global Data I/O exchanges?
5 ms
50 ms
500 ms
5000 ms
Using I/O scanner, what is the average time to read data on one device, process the data in the PLC (scan time 100 ms) and set the resulting input on another device?
3 x PLC scan time
100 ms
120 ms
5 x PLC scan time
Select the correct M580 related part references?
BME XBP 0800
140 XBP 0400
BMX 034 2030
BME P58 4040
Using a BME P58 4040 CPU, what is the maximum quantity of Ethernet Remote I/O drops allowed?
4
8
16
31
For the M340 platform, what is the maximum length of Bus X?
10m
30m
100m
500m
What is the maximum number of racks possible with an M340 CPU?
4
8
12
16
By default, on Warm restart, what happens with the controller memory?
Initializes registers to 0
Reset registers to initial values
Keeps the values of registers
All values are set to 1
Which of the following description of Bus-X is correct?
Unity architectures can extend up to 1km using Bus-X
Bus-X is the bus for both RIO and DIO
Bus-X is the proprietary protocol that is used over the backplanes of the Unity family of PACs
Terminators are not required for Bus-X
The name of a DFB instance is modified by right-clicking on the instance and choosing "Refine"?
True
False
During the Analysis phase, which of the following errors are detected?
Syntax errors
Semantic errors
Missing program parts
None of the above
Which protocols can be used by Unity Pro to program the PAC? UNSURE
Modbus/TCP
EtherNet/IP
The character mode serial link
USB
Which of these are advantages of Derived Function Blocks? UNSURE
Many derived function blocks already exist in the product
Latching of parameters and internal variables used during processing
Increase the legibility of the program
None of the above
In the Data Editor window, is it possible to view whether variables have been used in the application?
True
False
An STU file may be upgraded to a new version of Unity Pro?
True
False
Unity Pro includes which types of in-built functions?
Elementary functions
Private functions
Discrete functions
Elementary function blocks
Often multiple OPC servers are present on a PC, which identity represents the Schneider Electric OPC Server used to communicate with Unity PACs?
Schneider-Aut.OFS
6B29FC40-C147-1067-B31D-00DD010662DA
Schneider Electric OFs Server
None of the above
Which of these are common data types found in Unity Pro?
Integer (INT)
Unsigned integer (UINT)
Double integer (DINT)
None of the above
Which elements are not included in the Functional View?
Operator screens
Animation tables
The configuration
The global variables of a Project
After an Analysis of the project has been completed where are errors and warnings displayed?
The event log
Error window
Output window
An email is sent to the user
When a project is export, which of these project elements are contained in the XEF file? UNSURE
All the functional modules
All the DDTs
All the variables (used and unused)
None of the above
By default, I/O channels are assigned to which Task?
MAST
FAST
EVENT
AUX
If the project that is to be imported contains protected DFB types, are these types imported?
They are imported
They are imported and their content is coded
They are referenced in the .XEF file but not imported
It is not possible to import projects
What is the maximum distance which can be reached when using CANopen at a baud rate of 500 Kbps?
40m
100m
250m
500m
When based on RS485, what is the maximum distance without repeaters (approx.) for Modbus Serial?
20m
50m
1100m
4800m
Field instruments can be calibrated, initialized, and monitored using Profibus-PA protocol?
True
False
Which OSI layers are used for Ethernet Modbus/TCP?
Network
Transport
Session
Physical
Application
Presentation
Datalink
What is the maximum baud rate of Profibus DP serial?
10.2 Kbps
256 kbps
1 Mbps
12 Mbps
How many devices can be connected on a CANopen bus without a repeater?
116
32
64
128
Profibus-PA is what kind of bus/network?
an industrial network
a local network
an instrumentation bus
a Device bus
Profibus-DP is different from PA because?
It uses a different media access method
The physical wiring and maximum communication speed are different
It has a different message format
They are identical
What is the maximum number of communication modules that can be supported by a Quantum 140 CPU 65160 in a local rack?
2
4
6
8
Which of the following communication modules can be used with the M340
BMX NOR 0200
BME NOC 0311
BMX NOC 0401
BMX NRP 0201
You receive a replacement CPU from Schneider Electric, the new CPU has a more recent version of firmware than the CPU being replaced, you need to downgrade the firmware of the new CPU to the version that was in the previous CPU? UNSURE
True
False
What is the maximum word size for Global Data I/O exchange of published/subscribed variables for a Unity PAC?
256/1024
512/2048
1024/4096
Unlimited/Unlimited
Why is it necessary to estimate the data and program memory size?
To avoid having to upgrade data memory size during development
To avoid having to upgrade program memory size during development
To avoid having to add Remote I/O during development
To avoid having to add I/O racks during developments
In your application you have to select a PAC CPU that allows you to connect drives on Ethernet, a FactoryCast HMI, and Profibud DP V1 Link. Which CPU do you select?
Premium TSX 5750
M340 BMX P34 2030
Premium TSX 5740
Quantum 140 CPU 651 50
How many RIO racks can be connected to a Quantum PAC?
4
10
16
31
Which of the following descriptions of M340 is correct?
Up to 3 extension racks are available for 20x0 processors
MFBs can be used on both Modbus and CANopen
SD card storage can only be used in NOE modules
Back-up battery provides long term data protection during power-off
How fine is the event time stamping granularity for all the CPUs? UNSURE
0.2 ms
0.5 ms
1 ms
10 ms
Which OSI layers are used for CANopen?
Datalink
Session
Presentation
Network
Physical
Application
Transport
Which kind of Modbus Serial data exchanges can be implemented with Unity Pro?
Explicit exchange
Cyclic exchange
Implicit exchange
Acyclic exchange
How may a comment be added to an FBD?
Right click the diagram background and select comment from the menu
Press F3 on the keyboard
Press CTRL - C on the keyboard
Click the Comment button on the Tool Palette
What is the purpose of the Profibus parameter telegram? 75% SURE
Provides an easy way to replace a failed device
Adding more diagnostics available in the master
Configure the device through the master
None of the above
Which OSI layers are used for Profibus?
Transport
Physical
Application
Session
Presentation
Network
Datalink
Which of these statements are True about Sequential Function Charts?
A maximum of 1024 steps can be placed in each SFC section
Sequential Function Chart is used to program the overall process
There is no limit to the number of actions that can be assigned to each SFC step
None of the above
Which communication protocol is used on a Quantum RIO drop?
S908
Modbus Plus
Modbus Serial
Modbus TCP
Which of these communication ports is not integrated into the M340?
CANopen Master
Modbus Plus
Modbus TCP
Modbus Serial
Quantum processors support Modbus Master functions on which ports?
Serial Port 1
Serial Port 2
NOM Serial Ports
NFC Serial Ports
Time stamping ERT modules can be used on?
M340
Quantum
M580
None of the above
The I/O scanner service on an M340 NOE can handle how many devices?
32
64
128
256
What is the maximum possible distance using CANopen? UNSURE
1 km
2 km
5 km
10 km
Profibus-PA supports which of the following topologies?
Ring
Star
Bus
All of the above
Which OSI layers are used for Modbus Serial?
Transport
Physical
Datalink
Application
Network
Session
Presentation
What kind of exchanges are used by the I/O scanning service over Ethernet Modbus/TCP?
Explicit exchange
Cyclic exchange
Acyclic exchange
Implicit exchange
Which technique is used in the OSI data-link layer of Ethernet Modbus/TCP? (THINK IT'S ACTUALLY MASTER/SLAVE)
Master/Slave
CSMA-CD
Producer/Consumer
CSMA-CA
An animation table is a tool that is used online to determine the value of a variable?
True
False
Which view allows users to group the Program sections
Functional view
XML view
Structural view
Meta data view
Which of these are major components of a sequential function chart?
Pins
Jumps
Steps
Transitions
In Unity Pro, how can the DTM browser window be displayed?
By pressing CTRL + ALT + Shift + 1 on a keyboard
By clicking View --> Distributed Devices from the toolbard
By pressing ALT + Shift + 1 on a keyboard
By clicking Tools --> DTM browser from the toolbar
What determines the limit of an array of variables? UNSURE
Number of elements
Nesting level
Variable type
Memory size only
By default on cold restart, what happens with the controller memory?
Initializes registers to 0
Resets registers to initial values
Keeps the value of registers
All values are set to 1
How many M580 CPUs are there in the initial launch offer (Unity v8)?
5
6
7
8
How many Profibus DP modules can be installed in a Quantum backplane?
2
4
6
8
Which M580 part references support Remote I/O?
BME P58 2020
BME P58 3020
BME P58 3040
BME P58 4040
In the I/O scanner configuration window, each line uses a TCP connection (even if the same IP address is used)?
True
False
Estimating the program execution time is mainly used for what purpose? UNSURE
Select the right CPU
Select the I/O quantity
Select the program memory size
Select the data memory size
What is the fallback mode in Modbus Serial? UNSURE
The mode in which the device goes when the Master stops sending commands
The mode in which the PLC goes when the buffer crashes
The mode in which the device goes when the communication timeout is reached
None of the above
What is the difference between DPV0 and DPV1 Profibus masters? UNSURE
DPV0 is not compatible with Profibus PA
DPV0 is related to PLCs whereas DPV1 are for diagnostic tools
DPV1 can manage implicit and explicit exchanges, DPV0 supports implicit only
They are identical
Which technique is used in the OSI data-link layer of Modbus Serial?
CSMA-CD
Master/Slave
Token ring
Client/Server
Profibus-DP uses which media access control methods? UNSURE
Token passing bus and Master/Slave
Token passing ring and Master/Slave
CSMA/CD and Master/Slave
Master/Slave only
The user can change the default mapping of a PDO in CANopen? UNSURE
True
False
Which technique is used in the OSI data-link layer of CANopen?
CSMA-CD
Producer/Consumer
Master/Slave
CSMA/CA
What is Profibus-DP Master Class 2 used for?
Alarming
Network diagnostic
Redundant master
Device configuration
SFC Transitions can have more than one condition?
True
False
Which of these statements are True about Purging? UNSURE
Delete EFs or EFB types which are no longer used in the program from the Libset "Application" directory
Eliminate EFB code from the pgoram memory when instances are deleted from the variables editor
Eliminate the EF code from the program memory when they are no longer called in the application
None of the above
There is a trending functionality within Unity Pro?
True
False
Which of these statements are true about archived projects? UNSURE
Archiving is similar to exporting except that it saves the compiled application
Archiving is similar to exporting except that it saves the uncompiled application
A projec archive is a highly compressed version of the project
None of the above
It is not possible to assign input/output channels other than those relating to the Event? UNSURE
True
False
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