MADDALENA E-Bulk, Инструкция по установке, использованию и техническому обслуживанию

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1.10.2 Split pulse output
The meter has two pulse outputs which can be connected to two different devices.
First output (white wire): pulses are generated regardless of flow direction. When com-
bined with the direction output (yellow wire) it is also possible to distinguish the direction
of flow.
Second output (grey wire): compensated output. In the case of reverse flow, no pulses
are generated and the measured reflux volume is compensated before the normal pulse
generation is restored.
Demonstration diagram