Rosemount 3300 series, Reference manual, B-12 – Emerson Guided Wave Radar Level and Interface Transmitters 3300 User Manual

Page 140

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Reference Manual

00809-0100-4811, Rev CA

February 2006

Rosemount 3300 Series

B-12

Figure B-12. System Control Drawing for hazardous location installation of intrinsically safe FM approved
apparatus.

FM

Approved

Product

No

revisions

to

this

drawing

without

prior

Factory

Mutual

Approval.

SME-2917

0

1

3

9

1

ISSUE

C

H

.

O

R

D

E

R

N

o

W

E

E

K

ISSUE

CH.

ORDER

No

W

E

E

K

ISSUE

CH.

ORDER

No

WEEK

ISSUE

CH.

ORDER

No

WEEK

A3

ORIGINAL

S

IZ

E

GU-LN

0139

3300

GU-PO

6

P

D

F

91

50

077-944

9150

07

7

-9

4

4

0139

SYSTEM

CONTROL

DRAWING

for

hazardous

location

installation

of

Intrinsically

Safe

FM

approved

apparatus

1

1/1

ISSUED

BY

APPROVED

BY

WEEK

WEEK

PRODUCT

CODE

DOC.

TYPE

F

IL

E

TITLE

DWG

NO.

IS

S

U

E

SHEET

SCALE

2:1

1

ST

ANGLE

FINISH,

UNLESS

OTHERWISE

STATED:

ALL

DIMENSIONS

ARE

IN

MILLIMETRES.

T

h

e

c

o

p

y

right/ownership

of

this

document

is

and

will

remain

ours.

T

h

e

d

o

c

u

ment

must

not

be

used

without

our

authorization

or

brought

to

the

knowled

g

e

o

f

a

th

ir

d

p

a

rt

y

.

C

o

n

tr

a

vention

will

be

prosecuted.

S

a

a

b

Marine

Electronics

AB,

Sweden

A

C

C

OCIA

TED

APP

AR

A

TUS

BARRIER

POWER

SUPPL

Y

ROSEMOUNT

3300

SERIES

Intrinsically

Saf

e

Appar

a

tus

for

use

in

C

lass

I,

II,

III,

Division

1,

G

roups

A,

B

,C,

D

,E

,F

,G

Class

I,

Z

one

0,

AEx

ia

IIC

T4

Temper

atur

e

class

:

T4

(-40

<=

Ta

<=

70

deg

C)

Entit

y

P

ar

amet

ers

:

Vmax(Ui)

<=

30

V

,Imax(I

i)

<=

130

mA

C

i=0n

F,

L

i=0u

H

,P

i<

=1

W

HAZARDOUS

LO

CA

TION

NON-HAZARDOUS

LOCA

TION

ENTITY

CONCEPT

APPROV

AL

T

he

Entit

y

conc

ept

allo

ws

int

er

connec

tion

of

in

trinsically

saf

e

appar

atus

to

associat

ed

appar

atus

not

specifically

e

xamined

in

combination

as

a

syst

em.

T

he

appr

o

v

ed

v

alues

of

max.

open

cir

cuit

v

oltage

(V

oc

or

Vt)

and

max.

shor

t

cir

cuit

curr

ent

(Isc

or

It)

and

max.

po

w

er

(V

o

c

x

Isc

/

4)

or

(Vt

x

It

/

4),

for

the

associat

ed

appar

atus

must

be

less

than

or

equal

to

the

maximum

saf

e

input

v

oltage

(Vmax),

maximum

saf

e

input

curr

ent

(Imax),

and

maximum

saf

e

input

po

w

er

(Pmax)

of

the

intrinsically

saf

e

appar

atus

.In

addition,

the

appr

o

v

ed

max.

allo

wable

connec

ted

capacitanc

e

(C

a

or

C

o)

of

the

associat

ed

appar

atus

must

be

gr

eat

er

than

the

sum

of

the

int

er

connec

ting

cable

capacitanc

e

and

the

unpr

ot

ec

ted

int

ernal

capacitanc

e

(Ci)

of

the

intrinsically

saf

e

appar

atus

,and

the

the

appr

o

v

ed

max.

allo

wable

connec

ted

induc

tanc

e

(La

or

L

o)

of

the

associat

ed

appar

atus

must

be

gr

eat

er

than

the

sum

of

the

int

er

connec

ting

cable

induc

tanc

e

and

the

unpr

ot

ec

ted

int

ernal

induc

tanc

e

(Li)

of

the

intrinsically

saf

e

appar

atus

.

Not

es:

1.

No

re

vision

to

this

dr

a

wing

without

prior

Fac

tor

y

M

utual

appr

o

v

al.

2.

A

ssociat

ed

appar

atus

manufac

tur

er's

installation

dr

a

wing

must

e

b

e

follo

w

ed

when

installing

this

pr

oduc

t.

3.

Dust-Tigth

seal

must

be

used

when

installed

in

Class

II

and

Class

III

en

vir

onments

.

4.

C

ontr

ol

equipment

connec

ted

to

the

barrier

must

not

use

or

gener

at

e

mor

e

than

250

V

rms

or

Vdc

.

5.

Resistanc

e

b

etw

een

Intrinsically

Saf

e

Gr

ound

and

Ear

th

G

round

must

be

less

than

1.0

ohm.

6.

Installations

should

be

in

acc

or

danc

e

with

ANSI/ISA-RP12.6

"Installation

of

Intrinsically

Saf

e

S

y

st

ems

for

Hazar

dous

L

o

cations"

and

the

National

Elec

tric

C

o

de

(ANSI/NFP

A

70).

7.

T

he

associat

ed

appar

atus

must

be

Fac

tor

y

M

utual

Appr

o

v

ed

.

W

ARNING

:

To

pr

e

v

ent

ignition

of

flammable

or

combustible

atmospher

es

,r

ead

,understand

and

adher

e

to

the

manufac

tur

er's

liv

e

maint

enanc

e

pr

o

cedur

es

.

W

ARNING:

Substitution

of

components

ma

y

impair

Intrinsic

Saf

et

y.

A

PPROV

ALS

/0

77-94

4_1.

EP

S

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