Electrical Power & Protection


Siemens integrates new power supply in networked automation applications

January 2015 Electrical Power & Protection

The new Sitop PSU8600 is Siemens’ next-generation power supply system, the first capable of being completely integrated in networked automation applications and the Totally Integrated Automation Portal (TIA Portal). This reduces the outlay for engineering and operation considerably.

The Ethernet/Profinet interfaces enable users to set voltage and current for up to 16 outputs, for example. Depending on requirements additional modules, such as those for buffering short power failures, can be added without wiring effort. Several integrated functions support condition monitoring and power data acquisition, thus enhancing both availability and efficiency. For this reason, the Sitop PSU8600 is particularly suitable for industries that have high requirements in terms of reliability and integration, such as automotive, food and beverages, and pharmaceutical, as well as in plant and custom machine building.

The advantages of the new Sitop PSU8600 can be summarised as follows: with a narrow width of only 125 mm, the three-phase base unit with 40 A and four individually monitored outputs features a particularly space-saving design. The output current threshold can be set from 0,5 to 10 A and the output voltage from 12 to 28 V. By means of a connector for system data and the supply of energy (System Clip Link) users can expand the power supply without any additional wiring effort by up to three modules for additional outputs and two buffer modules from the Sitop PSU8600 modular system. This enables short power failures up to 600 ms to be bridged, thus avoiding any further damages.

Integrated condition monitoring functions provide information about the operating status and warn the user at an early stage, for example, of overloaded outputs, excessive temperature, system overload or power failure. This enables the user to meet in-time preventative measures, avoid faults and enhance availability.

Several functions support efficient power management: these range from the actual current and voltage value captures, individual on/off switching of outputs via Profienergy (for example during idle times), up to complete integration in power management systems.

For more information contact Keshin Govender, Siemens Southern Africa, +27 (0)11 652 2412, keshin.govender@siemens.com, www.siemens.co.za



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