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Meteor - Operational Metering Summator The METEOR Operational Metering Summator (OMS) unit is a microprocessor based system designed to collect metering MWh and MVArh pulse output information and produce real time power values. The OMS system can be operated as an identical pair of units connected together via a dedicated current loop interface. The first unit is a front end unit (OMS-FE) which collects meter and frequency information from the site meters and two voltage sources, it then passes this information to the second unit, a processing end unit (OMS-PE) where summation calculations are performed on the data to provide gross and net power readings for the site and provides measurements of the actual grid frequency. This data is calculated in real time and provides instantaneous information concerning for example a power station's contribution to the grid network. Alternatively the OMS system can operate as a single unit performing the same functions as the combined two units. The unit can also store demand data which is collected over the configured demand period. The system supplies time tagged power values via two RS232 links, analogue power values via a sixteen channel DAC unit and contact closures via an eight channel relay unit. The three types of output are all configurable by the user via the 'personality'. An OMS unit consists of a 4U high 19 inch steel chassis fitted with processor board, power supply, timing board, DAC board, DAC power supply,transient suppression board for supply inputs and watchdog relay contacts, meter input panel and battery backup system. All I/O functions are controlled by the processor board. specification Meteor - Metering Data Outstation The METEOR outstation is a micro-processor based unit designed to collect metering information at remote sites and to transmit the data and status information to a central data collection unit on demand. Communication is via dial-up modems on the Public Switched Telephone Network (PSTN) or on a private CTN system. Local interrogation facilities are also provided for site commissioning and for collecting the data when telephone communication is unavailable. The outstation unit consists of a 4U high 19 inch steel chassis fitted with processor board, power supply, modem and associated PSU, processor watchdog, meter input panel and battery backup system. 16 and 32 input versions are available. For sites requiring more than 32 inputs a number of outstations can be cascaded into the master unit containing the modem. The slave units are not equipped with modems specification Meteor Enquiry Form For more information about metering or other Kenda products email: sales@kenda.co.uk