The CMXD7000 Power Meter provides a CimetP /IP interface for commodity/utility flow meters that have a pulse output. This allows integrators to use simple meters. The B6070 meter interface takes pulse outputs from four meters and portrays each channel as a set of CimetP objects.
The CMXD7000 Power Meter is enclosed in a DIN case that can be mounted standalone or on a DIN rail. It is powered by 5 VDC at 1A via a micro USB connector which can be supplied from an included external 50-60Hz and 100-240 VAC supply. The unit has two four-pin inline Euro-style 5mm plug connectors for pulse channel inputs and one Ethernet 10/100 RJ45 connector.
There are (4) pulse input channels. The pulse input channels are each optically isolated. Each channel is self-powered through a DC-DC converter. Each channel can tolerate one stray potential/ground. This is optimal for flow meters with dry contact closure outputs, and which might have stray grounds somewhere in their output circuits (water meters often have such stray voltages).
The Ethernet port uses a standard shielded RJ45 connector with integral LEDs. Connection status can quickly be determined from the Link and Activity LEDs on each interface.
An embedded web server allows for commissioning, configuration and troubleshooting via a standard web browser. A power LED is present along with the LEDs for interface status on each interface.
The meter pulse counts are stored to flash memory. When the device senses a loss of power it will immediately write the latest pulse count so that data is not lost. This raw pulse value is made available to the CimetP network as an analog object. Scale factors are able to be selected during setup so that the appropriate scaled usage data (gas, water, electrical) is also available as a CimetP analogue object.
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