Emerson Process Management IM-106-910Xi Instrukcja Użytkownika Pobierz pdf (Strona 49)

Instruction Manual

IM-106-910Xi, Original Issue

November 2010

4-11

Xi Advanced Electronics

Field Communicator

Menu Trees

Connect the 375/475 Field Communicator in the Xi (Xi-to-DCS) 4-20 mA

signal loop or to the Xi terminals as shown in Figure 4-3 and refer to

Figure 4-4 for the 375/475 Field Communicator Xi menu tree.

OFF-LINE AND ON-LINE

OPERATIONS

The 375/475 Field Communicator can be operated both off-line and on-line.

Off-line operations are those in which the communicator is not connected to

the O

Probe. Off-line operations can include interfacing the 375/475 Field

Communicator with a PC (refer to applicable HART documentation regarding

HART/PC applications.)

In the on-line mode, the 375/475 Field Communicator is connected to the

4-20 mA analog output signal line. The communicator is connected in parallel

to the O

Probe or in parallel to the 250 ohm load resistor.

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Emerson Process Management IM-106-910Xi Instrukcja Użytkownika Strona 49