This article refers to the address: http:// According to the actual application experience of the experts, establish a maintenance plan, the system will automatically prompt the equipment that needs maintenance and maintenance and repair, such as cleaning, oil change, maintenance and so on. During the maintenance process, the ongoing maintenance work and equipment information of the workshop can be seen from the display screen, and the completed work and the maintenance work to be performed can be inquired. Regular maintenance and repair, reduce lost time, extend equipment life, and improve equipment utilization. Figure 5 shows the screen of the equipment being repaired and the statistics of the work that has been done. (5) Remote diagnosis (RCS) Service Management provides two remote control systems for remote operation and monitoring and for notification via email during a fault alarm. The details are included in the following modules: RCS Host remote control system host RCS Viewer Remote Control System Viewer RCS @Event remote control system @Event The remote diagnostic function enables the machine tool builder or service personnel to quickly connect to the site, remotely diagnose the machine tool remotely, and prepare the service task in more detail. Several experts simultaneously propose solutions in the form of teleconferences, ultimately reducing downtime. The purpose of time. When a fault alarm occurs, it is automatically sent to the manager and technician in the form of an email and processed in time. Engineering Applications The new engine workshop production line of a diesel engine factory in China consists of cylinder block and cylinder head line. The on-site control equipment includes Siemens CNC equipment 840D and programmable controller S7. Each machine is connected to a PCU50. To connect these different industrial products to the same information system, you must first establish Industrial Ethernet. According to the functions that users want to achieve, we choose MDA, DNC and RCS to build a workshop-level information management system to realize graphical monitoring, alarm information archiving statistics, machine tool operating state parameter analysis and comparison, OEE equipment overall efficiency analysis, processing program management and remote diagnosis. And other functions. Graphical monitoring function: The working state of the machine tool is displayed by seven colors of graphics. The monitoring administrator can easily understand the working state of the machine tool from different colors of the graphic. You can know the running status of the machine without going to the machine running site inspection. Figure 6 shows the graphic monitoring screen of the cylinder production line. Alarm archiving statistics function: The current alarm and historical alarm of the machine tool are archived into the database of the server. The administrator can define the alarm filter according to the needs, classify the database, and display the filtered alarm information in a centralized manner for analysis and alarm. The reason for the historical alarm, database classification and archiving, statistics of the time of the alarm occurred within a period of time and the frequency of the alarm occurred, the statistical results shown in Figure 7, can be displayed separately using the table and bar graph. Machine tool running state parameter analysis comparison function: Compare and analyze the state classification of machine tool operation, calculate the time occupied by each state during the running of the machine tool and its percentage, especially the machine tool utilization rate and actual usage rate in bar graph and table The comparison of the forms provides an intuitive decision-making basis for production managers. The statistical results of the machine status parameters are shown in Figure 8. OEE equipment overall efficiency analysis: OEE index is a comprehensive indicator of statistical law, which reflects the equipment availability, actual utilization rate, product qualification rate and equipment operating performance and other indicators, it involves all aspects of equipment and management, the use of This indicator can be used to evaluate the production and operation management of the workshop from a macro perspective. The OEE display results are shown in Figure 9, where Availability indicates the availability of the equipment during the planned production time, Utilization indicates the actual usage rate of the equipment, Performance indicates the difference between the actual cycle period and the target cycle period, and Quality indicates that the product quality is qualified. Rate, OEE comprehensively reflects the above indicators. DNC program management: The software module is used to realize the unified management of the NC machining program, complete the NC program management and archiving, complete the uploading and downloading of the program, and provide the latest NC program for the entire production line machine. For each NC program there is detailed information that can be displayed on SINUMERIK. The management information of the NC program includes the NC program name, NC data type (for example, MPF, SPF, TOA, etc.), version identification of the NC program (1 to 99), NC program enable recognition, NC program test identification, author of the NC program, and The date of the change, the date of the last access to the NC program, and the comment file of the NC program. At the same time, it has NC program comparison and hierarchical authorization management functions. Figure 10 shows a screen when the program is downloaded. As one of most popular cabinet type, Priva LED's PJ series products is much easier for installation, maintenance and transportation. This series of products covers Led screen from P1.56mm, P1.875mm, P2mm and P2.5mm. PJ series UHD led display support front acccess& back access. Modular design easier for maintenance. Lock for up and down, left and right make installation easier and fast. 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< p> (4) Maintenance Management (TPM)