Emerson Process Management rosemount 3300 series 6SDUDPHWHUV, Ui=30 Ii=130 mA Pi=1 W Ci=0 Li=0

5HIHUHQFH￿0DQXDO￿

00809-0100-4811, Rev AA October 2002

Rosemount 3300 Series

,QWULQVLFDOO\￿6DIH￿2XWSXW For intrinsically safe installations wire the transmitter as shown in Figure 3-13.

127(￿
Make sure that the instruments in the loop are installed in accordance with
intrinsically safe field wiring practices.
Figure 3-13. Wiring diagram for	//￿:￿0,￿>$￿
intrinsically safe installations
		$SSURYHG￿,6￿EDUULHU￿￿￿￿￿4￿￿￿￿￿			'&6
0RGHO￿￿￿￿￿￿5DGDU￿			%￿￿(￿￿￿￿￿￿
7UDQVPLWWHU				￿	5￿￿￿￿￿Ω
	%(+D1￿
	￿￿￿￿￿￿￿￿￿￿￿￿

WIRING IS

The HART 275 Communicator requires a minimum load resistance within the loop of 250 Ohm in order to function properly. For maximum load resistance see Figure 3-11.

The power supply voltage ranges from 11 V to 30 V.

,6￿SDUDPHWHUV

Ui=30 V.

Ii=130 mA.

Pi=1 W.

Ci=0.

Li=0.

3-19