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NRS 2-40 - Flowserve Corporation

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Wiring Diagram<br />

Seite<br />

Relay Relay Relay Relay<br />

1 2 3 4<br />

MAX<br />

Fill/<br />

discharge<br />

control<br />

MIN<br />

Paired cable<br />

Paired cable<br />

Potentiometer<br />

optional output<br />

for actual value<br />

4-20 mA<br />

Fig. 1<br />

Terminating resistor<br />

120 Ω<br />

Control terminal<br />

URB 1<br />

Level switch<br />

<strong>NRS</strong> 2-<strong>40</strong><br />

Controller<br />

. . .<br />

Level electrodes<br />

NRG 26-<strong>40</strong><br />

Electrodes<br />

...<br />

CEP*)<br />

Power supply<br />

Terminating resistor<br />

120 Ω<br />

CAN data line<br />

Terminating resistor<br />

120 Ω<br />

*) CEP = central earthing point<br />

Fig. 2<br />

3

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