Top rated plc controller supplier: Order principle: That is, in accordance with the order of processing events, access to view the order (such as from the whole to a single item, from large to small, from the top to the bottom, etc.) and control processes, such as the design of monitoring management and human-machine dialogue interface and its secondary interface. Functional principle: That is, according to the specific functional requirements of the object application environment and occasions, various subsystem control types, parallel processing requirements of the same interface of different management objects and simultaneous requirements of multiple dialogues, etc., the human-computer interaction interface is designed with multi-level menus, hierarchical prompt messages and multiple dialogues, so that users can easily distinguish and master the usage rules and characteristics of the interactive interface and improve its user friendliness and ease of operation. Find additional information at hmi manufacturers.
The selection of PLC should be mainly considered from the PLC model, capacity, I/O module, power module, special function module, communication networking ability and other aspects. The basic principle of PLC model selection is to meet the functional requirements and ensure reliability and convenient maintenance, and strive for the best performance-price ratio. The selection should mainly consider reasonable structural type, installation method selection, corresponding functional requirements, response speed requirements, system reliability requirements, model as much as possible unified and other factors.
Inherent human weaknesses: people have inherent weaknesses such as forgetfulness, error-prone, inattentiveness and emotional instability. A well-designed human-machine interface should minimize the amount of user memory when operating and using, and should strive to avoid possible errors; The user’s knowledge and education: the user’s education level determines his knowledge and experience of the computer system. China is the world’s largest market in terms of HMI demand, but it is not the world’s highest market in terms of HMI product sales, which means that low-end HMI users occupy a large share in China. The rapid development of national brands in recent years, taking low prices and other strategies, is attacking the low-end market in a big way, and has occupied a dominant position in the low-end market in China, winning the recognition of the majority of users. International brands are also gradually developing their economic products to capture the share of the low-end market. As a result, the overall performance of domestic HMI manufacturers has shown rapid growth due to their steady presence in the low-end market.
The reason is rs232 is suitable for communication between local devices, and its transmission distance is generally not more than 15m, and rs232 only allows one-ton-one communication. But rs485 transmission distance is from tens of meters up to 2Km, and rs485 interface allows up to 255 slave station to be connected. These are required to be designed by our engineers, with whom to communicate, how many devices to communicate, how to achieve the final function, whether to take into consider the interference problems of the field environment etc. All of the above are considered.
It is good to choose a brand according to the needing of the customers or the market. But it is not for selecting a brand to decide, or more about to focus on its performance parameters, and to be used the functions achieved. Actually there is an attractive story behind the famous brand. So to choose a brand, try to achieve high practicality, to avoide waste one’s talent on a petty job. For example, Siemens, Mitsubishi, Proface, Panasonic brand…etc with a good performance, but before decision to select them, should consider, how many performance of HMI panel will be used for the project? Whether the cost paid matches the performance used on the project? Find even more information at mochuan-drives.com.
Specific methods : First, the parameters of the touch screen. Check the parameter settings of the touch screen. Connect the PLC programming software to the PLC test to see what the PLC parameters are and whether the parameters set in the project are the same as those tested. There are several parameters that require special attention: 1. Communication port settings – be sure to confirm that the COM1 port or COM2 port of the PLC connected to the touch screen is clear;2. Device type – this is the most important. If the protocol is not selected correctly, nothing else needs to be said. 3. connection method – the connection between the PLC and the HMI operator interface, confirming whether it is RS485 or RS232C. 4. The touch panel interface parameter is the same as the PLC station number – it must be the same as the setting in the PLC. Next, if the parameters are set to confirm, troubleshoot the wiring.
Multi-touch capacitive hmi panel is new design and very popular with the market. Why? It is similar the Apple iPone in our life. Becuase its flexible multi touch, very high transmittance, Glass+Glass, anti-scratching, no drifting, IPS full view TFT lcd, high resolution, brightness, high speed and easy flow, supporting animation formats. The color of multitouch HMI is rich and the picture displayed is more delicate. Why many people follows iPhone, just becuase it can bring the users different and beyond imagination experience. Same reasons, why this type panel hmi is very popular in European and American market, just becuase it can bring the project, equipment different experience then to obtain more high value market and to be easily competitive the competitors. Maybe a little try, but to bring a large value, so why not try.
The plastic enconomic resistive HMI panel is very high advantage competitive series. There are multiple parameter, resolution, serial port to select for user to achieve real matching per project budget for one size. But it does not mean, this type HMI touch panel performance, resolution…etc is not in perfect but more flexible. For example, there are 800×480, 1024×600 resolution, ethernet, 2xRS485, 2xRS232, RS422 are in optional for 7inch touchscreen HMI.
Industrial grade fully enclosed embedded industrial hmi touch panel can perfectly cope with all kinds of harsh environment, but also can bring more convenient management services: According to the big data collected by the embedded industrial touch screen plus simple plc, the efficiency of each equipment in the electrical room can be monitored, so that the operation level of the electrical room can be improved and improved based on the evidence.
Industry-sepcific human machine interface may have specific definitions and classifications, such as industrial human machine interface(HMI or simply industrial HMI). Human-Computer Interaction: Human-Computer Interaction, Human-Computer Interaction (HCI, abbreviated HCI, also known as user interface or user interface): is a study of the interaction between a system and its users. Systems can be a variety of machines, or computerized systems and software. The human-computer interaction interface is usually the part that is visible to the user. The user communicates with the system and operates it through the HCI interface. This can be as small as the play button on a radio, or as large as the instrument panel on an airplane, or the control room in a power plant.