Rosemount 5300 Series Superior Performance Guided Wave Radar ...
Rosemount 5300 Series Superior Performance Guided Wave Radar ...
Rosemount 5300 Series Superior Performance Guided Wave Radar ...
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Quick Installation Guide<br />
Step 3 continued...<br />
12<br />
Load limitations<br />
March 2013<br />
The Field Communicator requires a minimum load resistance of 250 within the<br />
loop to function properly. The maximum load resistance can be obtained from<br />
the following diagrams.<br />
Non-Hazardous Installations,<br />
and Non-Sparking / Energy<br />
Limited Power Supply<br />
Operating<br />
region<br />
R(): Maximum Load Resistance<br />
U E (V): External Power Supply Voltage<br />
Intrinsically Safe Installations<br />
R(): Maximum Load Resistance<br />
U E (V): External Power Supply Voltage<br />
Explosion-proof/Flameproof (Ex d)<br />
Installations<br />
Operating<br />
region<br />
R(): Maximum Load Resistance<br />
U E (V): External Power Supply Voltage<br />
NOTE:<br />
For Flameproof / Explosion-proof installations, the diagram is only valid if the HART load resistance<br />
is at the + side and if the - side is grounded. Otherwise, the load resistance value is limited to<br />
435 .<br />
NOTE:<br />
<strong>Rosemount</strong> <strong>5300</strong> <strong>Series</strong> Transmitters with Flameproof/Explosion-proof output have a built-in<br />
barrier; no external barrier needed.
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