User ManUal - FlowVision GmbH

FC100-CA | Flow MeterInstallationGMBH2.2.2.4 Electrical connection - totalizer resetThe FC100-CA has an external totalizer reset. The control signal is connected to plug XRE.The totalizer reset is edge controlled – it is performed when the signal changes from low to high level.There are two possible operating modes (see fig. 22 and 23).Operating mode 1reset is performed whencontact is closed(t min = 50ms)potential freenormaly open contact12312345678910123XVXSKXREfig. 22Operating mode 210 … 40 V DCt min = 50msreset is performed whensignal changes from lowto high(t min = 50ms)+-12312345678910123XVXSKXREfig. 23Note:Pin XRE/1 is connected to pin XV2 (+U v ).The input resistance of pin XRE/2 is 3k.Pin XRE/3 is connected to pin XV3 (-U v ).33