Small and medium-sized companies were obliged to carry out an energy audit by 5 December 2015. An exemption is possible for instance in the context of an energy management system based on ISO 50001.
THE DEADLINE FOR THE ENERGY AUDIT according to DIN EN 16247-1 was December 5, 2015. Exemption from the audit is only possible by introducing an energy management system according to ISO 50001. This also provides a waiver from the renewable energy levy, as well as the benefit of a tax cap adjustment.
In order to implement measures for improving energy efficiency as per ISO 50001, the energy consumption must be measured transparently and continuously. Rittal is now offering a monitoring system for NH fuse-switch disconnectors for use in low-voltage distributions, which can be integrated in the Riline60 power distribution system. The system consists of measurement data recording, evaluation electronics, and communication modules. All the components are housed in an enclosure along with the power pack.
This way, the system can also be retrofitted to Riline60 NH fuse-switch disconnectors of sizes 00 to 3. The wiring effort is minimal, since it is no longer necessary to wire the individual components, such as current converters, measurement voltage taps, the power pack, and the measurement transducers. The communication module can transmit the measured values such as voltage, current, and active power to a superordinate control system via either a CANopen or a Modbus RTU link.
Data logging of the measured values in the NH measurement module is also possible. Besides this, the NH measuring module also provides alarm functions such as temperature or limit value monitoring. It can be connected via Plug & Play to Rittal’s Computer Multi Control (CMC III) monitoring system. A display is available as an option, with which more than 50 readings can be locally visualized from up to 20 NH measuring modules.
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