Rosemount 3300 series, Reference manual, B-12 – Emerson Guided Wave Radar Level and Interface Transmitters 3300 User Manual
Page 140

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