What does the OP mean?

What is the meaning of the upper computer

The meaning of the upper computer is introduced as follows:

The upper computer refers to the computer that can directly issue manipulation commands, usually PC/hostcomputer/mastercomputer/uppercomputer, and displays a variety of signals on the screen to show the change of signals (hydraulic pressure, water level, temperature, etc.). temperature, etc.). Lower computer is a direct control of the equipment to obtain the status of the equipment computer, generally PLC/singlechipmicrocomputer/slavecomputer/lowercomputer and so on.

The commands issued by the upper computer are first given to the lower computer, which then interprets the commands into corresponding timing signals to directly control the corresponding equipment. From time to time, the lower computer reads the device status data (generally analog) and converts it into digital signals for feedback to the upper computer. In short, the actual situation is very different, but not the same: the upper and lower units need to be programmed, there are specialized development systems.

Conceptually, the controller and service provider is the upper machine, the controlled and served is the lower machine, can also be understood as the relationship between the host and the slave, but the upper and lower machines can be converted.

Communication process

How the two machines communicate generally depends on the lower machine, TCP/IP is generally supported, but the lower machine generally has a more reliable unique communication protocol, buy the lower machine, will bring a large number of manuals on CD-ROM to tell you how to use the unique protocol to communicate, which will be a large number of examples, generally for the programmers to look at the programmer will also be So things, using some of the new API (API (ApplicationProgrammingInterface, Application Programming Interface) is a number of pre-defined functions.

The purpose is to provide applications and developers based on a software or hardware to access a set of routines, without having to access the source code, or to understand the details of the internal workings of the mechanism is just a multi-language support function module, generally supports several high-level language programming for the host computer at the same time.

What is the upper and lower

The upper machine is a computer, usually a PC, that allows a person to issue direct control commands, and displays various signal changes on the screen. Lower machine is a direct control equipment, access to equipment status of the computer, processor, etc.. Generally microcontroller (51AVRMSP430ARM, etc.), PLC and so on.

The upper (send) – & gt; command & gt; lower machine, the lower machine – & gt; analyze, calculate, parse – & gt; the corresponding timing signals – & gt; control the corresponding equipment. The lower computer according to the timing designed by the software -> read the device status data (digital, analog), transformed -> digital signals sent -> bit machine.

For example:Using a computer to brush the system to a cell phone, PC: upper bit machine; cell phone: lower bit machine.

For example: use myphone to control our curtains to open and close, table lamp brightness, etc.. Upper computer: myphone….. (The rhythm of the Internet of Things ah).

What is the upper and lower < / h3>

Question 1: the upper and lower machine upper machine means: people can directly issue control commands of the computer, generally PC, the screen displays a variety of signal changes (hydraulic pressure, water level, temperature, etc.). The lower computer is a computer that directly controls the equipment to obtain the status of the equipment, generally PLC / microcontroller and so on. The command issued by the upper computer is first given to the lower computer, which then interprets the command into the corresponding timing signals to directly control the corresponding equipment. The lower computer from time to time to read the device status data (generally analog), converted into digital signals back to the upper computer. In short, the real situation is very different from the same. Both the upper and lower units need to be programmed, and both have specialized development systems.

Conceptually

The controller and service provider is the upper machine

The controlled and served is the lower machine

It can also be interpreted as the relationship between the master and the slave

But the upper and lower machines can be converted

How the two machines communicate is generally dependent on the lower machine.TCP/IP is generally supported. TCP/IP is generally supported, but the lower unit generally has a more reliable proprietary communication protocol. When you buy a lower unit, it will valve a whole bunch of manuals on CD-ROM that tell you how to communicate using the proprietary protocol. There are a lot of examples in it. It’s usually just a matter of looking at it and using some new APIs for the programmer. Multi-language support function module, generally support several high-level language for the host computer programming.

Question 2: What is the upper and lower computer, microcontroller belongs to which? In a moving situation, when your board is connected to a computer, the computer is the upper unit and the board is the lower unit. Similarly, the computer software used to connect the board, such as serial port control software USB control software is called the upper computer software, the program running on the board is the lower computer program (software).

Question 3: What is the meaning of the host computer and the lower computer host computer is a person can directly issue control commands of the computer, generally PC, the screen shows a variety of signal changes (hydraulic pressure, water level, temperature, etc.). The lower unit is a computer that directly controls the equipment to obtain the status of the equipment, usually a PLC / microcontroller or the like. The command issued by the upper computer is first given to the lower computer, which then interprets the command into the corresponding timing signals to directly control the corresponding equipment. The lower computer from time to time to read the device status data (generally analog), converted into digital signals back to the upper computer. In short, the actual situation is very different, but the same thing: the upper and lower units need to be programmed, there are specialized development systems.  Lower computer The lower computer is the computer that directly controls the equipment and gets the status of the equipment, usually a PLC/Microcontroller or something like that.

Question 4: What is called the upper computer, the lower computer ah, what do they do for example, the microcontroller to measure the temperature, through the serial port connected to the PC, the data will be sent to the PC, the PC can also send data to the microcontroller, the microcontroller is the lower computer, the PC is the upper

Question 5: What is the upper computer? What is its role? The upper computer in the industrial control is also known as HMI, is a computer, its role is to monitor the operation of the field equipment, when the field equipment problems in the upper computer will be able to display the status of the equipment between (such as normal, alarm, failure, etc.).

The concept of the upper computer belongs to the concept of computerized centralized control system. In the computer distributed control system, the computer is divided into various levels, and the field equipment in direct relationship with the computer belongs to the lower machine, used to control the lower machine, or to the lower machine under the wow task of the computer is the lower machine of the “upper machine”. If the centralized control system is large, the level of the computer may be more than two levels, the upper computer may also have a higher level of the upper computer to control or assign tasks.

Question 6: Which one is easier, the upper or lower computer, the upper computer is easier, easier to get started.

Question 7: What are the upper and lower units in PLC? The upper computer can be a touch screen, PC and so on. The lower unit refers to the PLC itself

Question 8: What is meant by the upper unit software 10 points The upper unit software, is the software installed in the computer. It is used to communicate with the lower computer to control or read data from the lower computer.

The lower computer has a microcontroller, FPGA, DSP, and so on.

Question 9: What is the upper and lower computer upper computer means: people can directly issue control commands of the computer, usually PC, the screen shows a variety of signal changes. Lower machine is a direct control of equipment, access to equipment status of the computer, processor, etc.. Generally microcontroller (51AVRMSP430ARM, etc.), PLC and so on.

The upper (send) – & gt; command & gt; lower machine, the lower machine – & gt; analyze, calculate, parse – & gt; the corresponding timing signals – & gt; control the corresponding equipment. The lower computer according to the timing designed by the software -> read the device status data (digital, analog), transformed -> digital signals sent -> bit machine.

For example:Using a computer to brush the system to a cell phone, PC: upper bit machine; cell phone: lower bit machine.

For example: use myphone to control our curtains to open and close, table lamp brightness, etc.. Upper computer: myphone….. (The rhythm of the Internet of Things ah).

What is the meaning of the upper computer in the electric control system?

It is the local control of all the functions required, are transferred to another location set up in the computer control, this computer is the upper computer. Generally used in many local control system, are used to centralize the upper computer to the central control room unified control, in order to improve efficiency, reduce personnel

What does 3d printing upper computer mean

The upper computer, which corresponds to the lower computer, is used to send commands to the lower computer as well as receive feedback data from the lower computer.

Generally the upper computer is the computer, and the lower computer is controlled by the software running on the computer (called the upper computer software).

The upper computer software must realize the serial communication in order to send commands to the lower computer and receive feedback data. The serial port can be understood as a usb interface, the upper computer through the usb interface and the lower computer connection, the upper computer software through the usb interface and the lower computer communication. This realizes the upper computer and the lower computer