Posted on October 17, 2011 - ( views)
Protecting motors and plant components reliably, Siemens Industry Automation Division’s range of monitoring relays communicates with the control level via IO-Link. For electrical and mechanical measurements, the Sirius 3UG48 monitors the observance of parameterized limits for speed, network quality, current, power factor (cos phi) or voltage. The Sirius 3RS14 and 3RS15 temperature monitoring relays have between one and three resistance sensors or thermocouples for controlling from -99 to 1800°C, and can also be used for simple control tasks. The relays can also reliably fulfill their monitoring tasks without an IO-Link connection to the controller. The devices have several LEDs and a display for showing actual values. They can be used directly in the control cabinet for diagnostic purposes. The values are also displayed at the central control system via the IO-Link for simple further processing. The relays are parameterized either directly at the device or from the central control system via the interface. Data synchronization with the higher-level control system ensures that the system documentation is up-to-date at all times. New parameters are automatically assigned by a parameter server, which makes it considerably easier to replace any devices. For efficient energy management, the 3UG48 also supports the data formats defined in the Profienergy profile.
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