Emerson ROSEMOUNT 5300 Dokumentacja Pobierz pdf (Strona 63)

Reference Manual

00809-0600-4026, Rev BA

December 2011

5-7

Rosemount Process Radar

Non-Intrinsically Safe Power Supply

Intrinsically Safe Power Supply

Type n Approvals: Non-Sparking / Energy Limited Power Supply

Load Limitations

The Field Communicator requires a minimum load resistance of 250 Ohms

within the loop in order to function properly. The maximum load resistance is

shown in the following diagram.

Load Resistance 250 

Power

Supply

HART

Modem

Field Communicator

Rosemount 5400 Series Radar Level Transmitter

Power

Supply

250 

Approved

IS Barrier

Field Communicator

IS Parameters:

=30 V, I

= 130 mA,

=1 W, C

=7.26 nF,

=0 H,

HART

Modem

Rosemount 5400 Series Radar Level Transmitter

Load Resistance 250 

Power

Supply

HART

Modem

Field Communicator

Rosemount 5400 Series Radar Level Transmitter

HART: U

=42.4 V

1 2 ... 58 59 60 61 62 63 64 65 66 67 68 ... 105 106

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