DIN rail-mount smart meters for building automation

2nd April 2014

E-Mon

Nat Bowers

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Housed in standard DIN rail-mount enclosures, the Din-Mon kWh/kW smart meters have been announced by E-Mon. The single- (Din-Mon D2) and dual-protocol (Din-Mon D5) meters enable advanced energy monitoring for building automation systems, switchgear, control panels, server racks, renewable energy systems and other space-constrained applications.

The smart meters feature an advanced four line display, showing: kWh; kW demand (with peak date & time); power factor per phase; real-time load in kW; amps per phase; and volts per phase. Built-in RS-485 communication capability supports E-Mon Energy EZ7, Modbus RTU, and BACnet MS/TP (BTL testing certified).

The 0.333V output split-core current sensors (standard) allow for enhanced safety and accurate remote mounting of sensors up to 500ft from meter. (Optional solid-core sensors and 100mA output current sensors available.) Din-Mon D5 offers dual protocol communications including EZ7 Ethernet (E-Mon Energy), Modbus TCP/IP, BACnet IP or LonWorks FT-10.

Din-Mon smart meters meet or exceed national and international standards, including the Underwriters Laboratories (UL/CUL) listings for safety, the American National Standard Institute for accuracy and performance (ANSI C12.20), the European Union’s Measuring Instruments Directive (MID) that primarily addresses precision, reliability and security and CE Marking which addresses safety, health and environmental requirements.

Don Millstein, President, E-Mon, commented: “These meters allow facility managers to increase the granularity of their energy intelligence when monitoring the buildings’ energy usage. These compact, non-metallic-enclosed meters can be integrated into existing systems to perform advanced energy monitoring and communications at the point of load. This in turn helps building operators improve energy savings while reducing operating costs.”