一、Application introduction
With the development of science and technology, the application of digital AC servo system is becoming more and more extensive, and the user's requirements for servo drive technology are getting higher and higher. Most of the motion control in the early automation industry was pulse control and analog control, and later developed the control mode of bus communication. The pulse method is suitable for simple servo applications and less demanding applications, and for high-end equipment and applications with a large number of axes, bus servo is superior. In terms of industry acceptance, bus servo has been popularized in Europe and the United States, and it is becoming more and more popular in China, which is the general trend.
Wuhan Meixin EP3E-PN in a company's wheel processing production line support:
二、Process requirements
1. 7×24 hours stable operation in high dust environment
2. Fully automatic control
3. PROFINET bus control
三、System scenario
1. The control system adopts Siemens S7-1200PLC+ multiple EP3E-PN
2. The servo power section covers 100W~15kW
四、Scenario advantages
1. Full bus scheme, easy maintenance, can provide rich diagnostic information
2. Stable operation in high dust environment
五、Device description EP3E-PN
1. Voltage: AC 220V/380V
2. Power: 0.1kW~15kW
3. Communication interface: PROFINET
4. Control mode: support process object standard messages 3, 5, and Siemens messages 102, 105, integrated positioning function, support Siemens message 111, compatible with SINA_POS (FB284 function block), support auxiliary messages 750, 860, etc., in subsequent updates
5. Support 23-bit multi-turn absolute encoder
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