Rosemount 3300 series, Reference manual, B-13 – Emerson Guided Wave Radar Level and Interface Transmitters 3300 User Manual
Page 141: Transmitter head 3300 series, Intrinsically safe entity parameters, Power supply a nd output si gnal

Reference Manual
00809-0100-4811, Rev CA
February 2006
B-13
Rosemount 3300 Series
Figure B-13. System Control Drawing for hazardous location installation of CSA approved apparatus.
TRANSMITTER
HEAD
3300
SERIES
The
Entity
concept
allows
interconnection
of
intrinsic
a
lly
s
a
fe
apparatus
to
associated
apparatus
not
s
p
e
c
if
ic
a
lly
e
x
a
m
in
e
d
in
c
o
m
b
in
a
ti
o
n
a
s
a
sy
stem
.
T
he
approved
values
of
m
ax.
open
circuit
voltage
(Uo)
a
n
d
m
a
x
.
s
h
o
rt
c
ircuit
current
(Io)
and
m
ax.
power
(Uo
x
Io
/
4),
for
the
associated
apparatus
m
ust
be
less
than
or
equal
to
the
m
axim
um
saf
e
input
voltage
(Ui),
m
axim
um
saf
e
input
current
(Ii),
a
n
d
ma
x
imu
m
s
a
fe
input
power
(Pi)
of
the
intrinsically
saf
e
apparatus.
In
addition,
the
approved
m
ax.
allowable
connected
capacitance
(Co)
of
the
associated
apparatus
m
ust
be
gr
e
a
te
r
th
a
n
th
e
s
u
m
o
f
th
e
in
te
rc
onnecting
cable
capacitance
and
the
unprotected
internal
capacitance
(C
i)
o
f
th
e
in
tr
in
s
ic
a
lly
s
a
fe
apparatus,
and
the
the
approved
m
ax.
allowable
connected
inductance
(Lo)
o
f
th
e
a
s
s
o
c
ia
te
d
apparatus
m
ust
be
greater
than
th
e
s
u
m
o
f
th
e
interconnecting
cable
inductance
and
the
unprotected
internal
inductance
(Li)
of
the
in
tr
in
s
ic
a
lly
s
a
fe
apparatus.
D
INTRINSICALLY
SAFE
ENTITY
PARAMETERS
A&B
C
GAS
GRO
U
P
The
positive
power
supply
term
inal
s
h
a
ll
b
e
c
onnected
to
the
term
inal
designated
"+
SIG
/CO
M
"
and
the
negative
supply
to
th
e
te
rmi
n
a
l
d
e
s
ignated
"-SIG/COM
".
In
s
ta
lla
ti
o
n
s
in
Canada
shall
be
in
accordance
with
the
Canadian
Elect
ric
C
ode.
Power
Supply
a
nd
output
si
gnal
U
i
(V
m
ax)
Ii
(I
m
ax)
Ci
L
i
P
i
NOTE
1
.
30V
30V
30V
1W
1W
1W
0n
F
0n
F
0n
F
0u
H
0u
H
0u
H
130
mA
130
mA
130
mA
NOTE
2
.
NOTE
1
.
NOTE
2
.
NOTE
3
.
N
o
te
:
T
h
e
e
n
ti
ty
param
eters
li
s
ted
above
appl
y
onl
y
to
associ
ated
apparatus
w
ith
line
a
r
ou
tp
u
t
!
NOTE
3
.
GU-LN
0213
3300
GU-PO
6
Or
CAD
91
50077-945
9150077
-9
4
5
0213
SYSTEM
CONT
ROL
DRA
WI
NG
for
hazar
dous
location
installation
11
/
1
of
CSA
appr
oved
appar
atus
ISSUED
BY
APPRO
VED
BY
W
EEK
W
EEK
PRO
DUCT
CO
DE
DO
C.
T
YPE
FI
LE
TI
TL
E
DW
G
N
O
.
ISSUE
SHEET
SCALE
1:1
1S
T
A
N
G
L
E
FI
NI
SH,
UNL
ESS
O
T
HERW
IS
E
S
T
A
T
E
D:
ALL
DI
M
ENSI
O
N
S
ARE
IN
M
ILLI
M
ET
R
ES.
T
h
e
c
op
y
ri
g
h
t/
ow
n
er
sh
ip
of
th
is
docu
m
en
t
is
an
d
w
ill
rem
ai
n
ou
rs
.
The
d
o
c
um
e
nt
m
us
t
no
t
be
us
e
d
w
it
ho
ut
o
ur
a
ut
ho
ri
z
a
ti
o
n
o
r
br
o
ught
to
th
e
k
n
ow
ledg
e
of
a
th
ir
d
p
ar
ty
.
C
on
tr
av
en
ti
on
w
ill
b
e
p
rosecu
ted.
S
aab
M
ari
n
e
E
lect
ro
n
ic
s
A
B
,
S
w
e
d
e
n
1
0213
SME-2918
ISSUE
ISSUE
ISSUE
CHANG
E
O
RDER
No
W
EEK
W
EEK
W
EEK
CHANG
E
O
RDER
No
CHANG
E
O
RDER
No
E
X
-C
E
R
T
IF
IE
D
P
RO
DUCT
.
No
m
odi
fi
cati
ons
per
m
itte
d
w
ithout
re
fer
ence
to
the
Ex-certify
ing
A
u
th
o
ri
ti
e
s
.
AP
PROVA
LS/
077
-945
_1.
EP
S