
9
This input is compatible with all turbine flowmeters series TM and those instruments that
provide a magnetic pickup type output whose voltage is between 30 mVpp and 10 Vpp.
Higher values can damage the equipment.
The input impedance is 2 k. It has a protection for limiting the voltage applied to the
circuit consisting of two diodes in parallel and two 100 resistors.
3.2.4 Pulse output wiring
Example. Connection with the load at the emitter
Terminal
6 Emitter
7 Collector
The pulse output operates in repeater mode. It gives a pulse for every input pulse or for
each turbine signal period.
The pulse output is opto-isolated. The terminals are the collector and emitter of a NPN
bipolar transistor.
Example. Connection with the load at the collector
LOAD
LOAD
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