Engineering PLCs
The LC and HMI panel also must be connected to the same Profinet network and be configured with ___ IP addresses to allow the PLC and HMI panel to exchange information over the network
compatible
An HMI program contains screens and configuration data that are ___ before downloading to the HMI panel
compiled
An HMI panel communicates with one or more PLCs over a network to provide ___ of a machine or process
control
A HMI panel is a ___ operator station that provides interaction between users and a PLC controlled system
programmable
An S7 ___ is a collection of all the data and programs needed to control a machine or process
project
The Siemens ___ software is used to program Siemens automation systems
Totally Integrated Automation Portal
The ___ is used to configure and program PLC and HMI projects
project view
After a project has been ___ to a PLC, it is ready to run
downloaded
The two basic types of input instructions used by the S7-1200 are the ___ instruction, and the Normally Closed Contract instructions
Normally Open Contract
Siemens' TIA Portal software, by default, opens in portal view with the ___ action selected
Open existing project
The KTP700 HMI panel connects to a(n) ___ network by using an Ethernet cable to connect its RJ45 port to a ___ network
Profinet; Ethernet
___ are classified into two groups: static and dynamic
Screen objects
The ___ software is used to compile and download a project to a processor
TIA Portal
For the PLC and PC to communicate, they must be connected to the same Profinet network and be configured with compatible ___.
IP addresses
Ethernet TCP/Ip uses several ____ to convert data from its native format, such as a text message, into a format that can be sent and tracked from the source note to the destination node on the network
protocals
The output instruction of a PLC ladder logic program is called a(n) ___ instruction.
assignment
____ inputs are a type of input that recognizes only two conditions: on or off
discrete
Input objects are ___ screen objects that enable an operator to manually start, stop, or modify the operation of a PLC - controlled process or application
dynamic
___ is the preferred enterprise level network because of its high speed and standardized hardware and software
ethernet
One method to have more than one output controlled with the same input logic is to ___ the outputs
branch
The five numbering systems commonly used by PLCs are: ___, decimal, binary, octal, and binary coded decimal
hexadecimal
An industrial network is a high-speed communications connection used to ___ data between production line equipment and other devices
exchange
PLC are ____
industrial computers
One of the advantages of a PLC is that it permits many instructions to be controlled by one ___ and it doesn't matter how many of these are Normally Open Contract or Normally Closed Contract instructions
input
The basic operation of a PLC ladder logic is very similar to hard-wired logic. The three main similarities are: logic continuity, six logic elements, and ___
parallel network operation
By replacing mechanical components with a PLC, the ___ of a process becomes faster, cheaper, and more efficient
control
To start up, operate, and monitor the process, the operator must be able to move between, or navigate, ___
screens
Keyboard ___ are the editing commands that are executed by pressing a single key, or tow or more keys simultaneously
shortcuts
___ are often used to examine input and output status for troubleshooting field devices, program logic, or the PLC
watch tables
The ___ memory stores user programs as they are downloaded to the processor
load
PLCs are different the hard-wired circuits in that the input device and the input instruction do not have to use the same ___
logic
The ___ language looks like a ladder with rungs
ladder logic
A Siemens PLC is connected to a Profinet network by a(n) ___ cable between its Profinet port and a Profinet network or device.
Ethernet
Profinet is a network protocol based on ___ that is used for communication between distributed I/O devices
Ethernet TCP/IP
The I/O diagram always identifies each output terminal with a ___ drawn around its address
diamond
The physical address of the input/output terminals correspond to a(n) ___ location in the PLC
memory
The program editor is TIA portal's integrated programming utility for developing program functions, function blocks, and ___
organizational blocks
A PLC operates by continuously examining the conditions of its input terminals, making decisions based on the ladder logic program, and then updating the conditions of its ___ terminals
output
___ objects are dynamic screen objects that display information on the HMI screen to indicate the status of the machine or process to the operator
output
The ___ actually occurs many times each second, so it appears that the ladder logic program is responding directly to the inputs and outputs
scan cycle
