Dresser Masoneilan SVI II AP Manuale di avvio rapido - Pagina 20

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I I n n s s t t a a l l l l a a t t i i o o n n a a n n d d S S e e t t U U p p

SVI II AP

Fi Figu

gure re 6 6

Gene

SVI II AP

F F i i g g u u r r e 7

e 7

I I n n t t r r i i n n s s i i c c a a l l l l y S

Note: Improperly or inadequately grounded installations can cause

Note:

Improperly or inadequately grounded installations can cause

noise or instability in the control loop. The internal electronic

components are isolated from ground. Grounding the case is

unnecessary for functional purposes but grounding the case

unnecessary for functional purposes but grounding the

may be necessary to conform to local codes.

Hazardous Area

nera ral P

l Pur

urpo

pose

se an

and E

Barrier

Resistance

HHC375

y Sa a f f e I

e In n s s t t a a l l l l at ati i o o n n

Non-Hazardous Area

HART

Modem

HHC375

d Exp

xplo losi sion

on Pr

Proo

oof I f Ins

Single Channel

Zener Barrier

HART

Modem

W W i i r r i i n n g g t t h h e e S S V V I I I I I I A A P P

Power

Supply

220 Ohms

HART compliant

control system

output card

ValVue

nsta tall llat atio ion n