Q: How can I transfer meter pulses across a site to a central monitoring point?

A: Our 200T-DI and 200R-DO licence-free telemetry units have a pulse signalling mechanism. The battery-powered 200T-DI detects any change of state on its inputs (pulses >1sec duration). The number of ON to OFF transitions on input 1 is recorded as a total pulse count figure. This is part of the message that gets transmitted and picked up by the 200R-DO at the central ‘hub’ location.

At the central hub, the 200R-DO’s relay outputs are pulsed to match the same number of pulses reported by the 200T-DI transmitter. These relay contacts are wired to the central hub RTU.

This functionality gives a fast and economical solution to site-wide pulse count logging applications.


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