PLC SACA Study Guide
A PLC requires much less __________ than a hardwired relay panel that could do the
same job. - ANS-Space
__________ uses several protocols to convert data from its native format, such as a
text message, into a format that can be sent and tracked from the source node to the
destination node of a network. - ANS-Ethernet TCP/IP
The three network levels are Enterprise, Automation and __________, and Field
Device. - ANS-Control
PLCs provide a means of controlling machines and other industrial applications with
a(n) __________ instead of using hard wired devices, such as relay coils and contacts.
- ANS-Industrially-hardened computer
The six basic components of most PLCs are the power supply, the input and output
modules, the processor module, the programming device, and the ______ - ANS-I/O
chassis
If a network is not available, what type of connection can be used to configure the
controller's IP address? - ANS-USB
Two addresses are used for Ethernet communications, Media Access Control (MAC)
and _____ - ANS-Internet Protocol (IP)
The IP address of a CompactLogix PLC that already has an IP address is viewed and
edited using __________ communications software. - ANS-RSLinx
The 1769-L16ER controller's USB port is USB __________ compatible and operates at
12 Mbps. - ANS-2.0
A PLC and PC are connected in a(n) __________ network using a single Ethernet
cable. - ANS-Point to point
What is the purpose of configuring the IP address and subnet of a PC and PLC? -
ANS-Enable communication between them
, What is each group of numbers separated by periods or dots in an IP address called? -
ANS-Octet
What is the purpose of the last three digits of an IP address? - ANS-Identifies a single
device
What is a USB Type B connector most likely connected to? - ANS-PLC USB
communication port
The IP addresses of a PC-PLC point-to-point connection will be ______ - ANS-Different
IP addresses
A problem with identifying a controller's firmware revision by examining the hardware's
__________ is that it is often inaccessible once installed. - ANS-Product label
What applied voltage level would cause the input indicator to turn on in an Active Hi 24
VDC input module? - ANS-+24 VDC
All PLCs must have a(n) __________ to operate. - ANS-User developed project
In the RUN mode the programmable controller __________ the ladder logic and sets
outputs on or off. - ANS-Scans
What should be noted when the programmable controller processor displays a solid
green RUN indicator? - ANS-Processor is functioning properly - program is being
executed
A(n) __________ is used to download hardware configurations and programs to a PLC.
- ANS-PC
What does the absolute I/O address identify on a PLC input module? - ANS-Actual
physical location
_____ is an embedded operating system that controls how microprocessor-controlled
hardware devices operate. - ANS-Firmware
______ displays networks and devices in a similar manner to Windows Explorer. -
ANS-Whoactive
A PLC requires much less __________ than a hardwired relay panel that could do the
same job. - ANS-Space
__________ uses several protocols to convert data from its native format, such as a
text message, into a format that can be sent and tracked from the source node to the
destination node of a network. - ANS-Ethernet TCP/IP
The three network levels are Enterprise, Automation and __________, and Field
Device. - ANS-Control
PLCs provide a means of controlling machines and other industrial applications with
a(n) __________ instead of using hard wired devices, such as relay coils and contacts.
- ANS-Industrially-hardened computer
The six basic components of most PLCs are the power supply, the input and output
modules, the processor module, the programming device, and the ______ - ANS-I/O
chassis
If a network is not available, what type of connection can be used to configure the
controller's IP address? - ANS-USB
Two addresses are used for Ethernet communications, Media Access Control (MAC)
and _____ - ANS-Internet Protocol (IP)
The IP address of a CompactLogix PLC that already has an IP address is viewed and
edited using __________ communications software. - ANS-RSLinx
The 1769-L16ER controller's USB port is USB __________ compatible and operates at
12 Mbps. - ANS-2.0
A PLC and PC are connected in a(n) __________ network using a single Ethernet
cable. - ANS-Point to point
What is the purpose of configuring the IP address and subnet of a PC and PLC? -
ANS-Enable communication between them
, What is each group of numbers separated by periods or dots in an IP address called? -
ANS-Octet
What is the purpose of the last three digits of an IP address? - ANS-Identifies a single
device
What is a USB Type B connector most likely connected to? - ANS-PLC USB
communication port
The IP addresses of a PC-PLC point-to-point connection will be ______ - ANS-Different
IP addresses
A problem with identifying a controller's firmware revision by examining the hardware's
__________ is that it is often inaccessible once installed. - ANS-Product label
What applied voltage level would cause the input indicator to turn on in an Active Hi 24
VDC input module? - ANS-+24 VDC
All PLCs must have a(n) __________ to operate. - ANS-User developed project
In the RUN mode the programmable controller __________ the ladder logic and sets
outputs on or off. - ANS-Scans
What should be noted when the programmable controller processor displays a solid
green RUN indicator? - ANS-Processor is functioning properly - program is being
executed
A(n) __________ is used to download hardware configurations and programs to a PLC.
- ANS-PC
What does the absolute I/O address identify on a PLC input module? - ANS-Actual
physical location
_____ is an embedded operating system that controls how microprocessor-controlled
hardware devices operate. - ANS-Firmware
______ displays networks and devices in a similar manner to Windows Explorer. -
ANS-Whoactive
