System Integration & Control Systems Design


Compact distributed I/O for plant and machinery construction

February 2012 System Integration & Control Systems Design

The Siemens Industry Automation Division has expanded its Simatic ET 200 distributed I/O product family with a new generation of devices. The new Simatic ET 200SP distributed I/O is based on a scalable design with variable station set-up options. 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 and the user also saves time by simply combining the station modules. Mechanical coding protects the modules from damage if they are wrongly inserted, and a lateral latch mechanism provides a high degree of connection stability, even for vertical installation. In addition, it is possible to replace modules and terminal boxes during operation without risking station failure. Wiring has been simplified by the improved arrangement of the slots on the terminal box (rotated through 90 degrees) and the easy push-in technology. Module markings clearly display the most important wiring and channel information. Colour-coded labels also simplify assignment of cables to the terminal box. The user can also identify machine and plant-specific modules with the help of identification plates and labeling strips.

The Simatic ET 200SP is equipped with two Profinet interfaces and an internal data rate of 100 Mbit/s ensures high system performance delivery.

For more information contact Keshin Govender, Siemens Southern Africa, +27 (0)11 652 2412, [email protected], www.siemens.co.za



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