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APT3100 Smart Pressure Transmitter Operation Manual M3100-EO1G

Duon System Co.,Ltd.

4.7.6 Power Supply Voltage and Load Resistance

When configuring the loop, make sure that the external load resistance is within the range in the

figure below. Since the voltage of transmitter terminal input is same as follows.

z General Standard : 11.9 to 45 Vdc

z Hart Communication : 17.4 to 45 Vdc

z KOSHA Explosionproof : 11.9 to 45 Vdc

z CSA Explosionproof : 17.4 to 42 Vdc max.

And maximum loop current is 24mA, Load resistance R:

R = (E-11.9) / 0.022 (E = Power Supply Voltage)

[Note] In case of an intrinsically safe transmitter, external load resistance includes safety barrier

resistance.

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SeaLand 3100 Specifiche Pagina 37