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Seamless Integration

Today a good command of English is self-evident. How about your knowledge of technical terms? At regular intervals handling publishes interesting news and translates some vocabulary.

For communication between the axes of the 8400 TopLine inverter drives, Lenze has added an axis bus to their functions, as well as special function blocks for speed and angle synchronisation. It works independently of, and in parallel with, the CAN system bus which is part of the standard equipment. This further development is primarily intended for the creation of electrical shafts for synchronisation. The 8400 TopLine thus fits seamlessly into the typical applications of servo technology. Other functions of the 8400 TopLine typical of servo technology are the support of SinCos absolute encoders and SinCos encoders. The advantages of the axis bus result, to a large extent, from the simplicity of configuration, the easier construction of lines and cascades, and the optimum exploitation of the bus bandwidth through synchronisation at the hardware level. Two fundamental topologies can be constructed using the automatic axis bus system. In the first case, all drives in the network are connected to the higher-level master controller. For their part, the axes exchange data between themselves. An architecture in which only one axis bus master acts as the link to the controller, on the other hand, is appropriate when the controller only needs to supply a small amount of information to the group of axes. pb

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exploitation

Nutzung, Verwertung

higher-level master controller

überlagerte Leitsteuerung



www.lenze.com

New Generation

The Siemens Industry Automation Division has expanded its Simatic ET 200 distributed I/O product family with a new generation of devices. The especially compact design reduces the space required in the control cabinet and the device is characterized by user-friendly operation. Users in plant engineering and machine manufacturing benefit from the variable station set-up, fixed wiring and improved device and module identification features. The Simatic ET 200SP with IP20 degree of protection supports Profinet, is characterized by a fast cycle time and high system performance and can be integrated into the automation solution via the TIA Portal or Simatic Step 7 engineering tools. The basic device can be expanded with up to 64 modules and can thus process 64x16 signals in the maximum configuration which still only requires one meter in the control cabinet. The compact design also means the system is suitable for standard control boxes with a depth of just 80 mm, even observing the standard bending radii. The integrated power module also saves additional space and simplifies load group formation. During system design, great importance was attached to simple handling and practical use. The low parts variance also reduces warehousing costs for the user. No tools are required for installation. pb

fixed wiring

stehende Verdrahtung

standard bending radii

normierte Biegeradien



www.siemens.com

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