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Page A-2
SITRANS Probe LR – QUICK START MANUAL
A5E32106153
mmmmm
A: Connect
ion Dr
awings
Wiring Drawing: Intrinsically Safe (FM )
Note:
Reference drawing A5E01003040 is available from the SITRANS Probe LR product
page of our website at: www.siemens.com/probelr.
Product
Group
FOR
INTERNAL
USE
ONL
Y
A5E01003040A01
S.
NGUYEN
PETERBOROUGH
08
/
JAN
/
2007
RADAR
FOR
RELEASE
PER
ECO
79B30248
1
T
.
LITTLE
R.
CL
YSDALE
1:1
1
1
NTS
B
SITRANS
LR
200
/
SITRANS
PROBE
LR,HAR
T
,
FM
INTRINSICALL
Y
SAFE
CONNECTION
DRA
WING
A5E01003040
1
RPC
SN
JAN
08/2007
NOTES:
1.
ANY
CSA
/
FM
INTRINSICALL
Y
SAFE
BARRIER
/
POWER
SUPPL
Y
,
WITH
ITS
OUTPUT
VOL
T
AGE
(Uo)
NOT
EXCEEDING
30
V
AND
ITS
OUTPUT
CURRENT
(Io)
LIMITED
BY
LOAD
RESIST
ANCE
(Ro);
SUCH
THA
T
Io
=
Uo
/
Ro,
DOES
NOT
EXCEED
120
mA
2.
APPROVED
DUST
-TIGHT
AND
W
A
TER-TIGHT
CONDUIT
SEALS
ARE
REQUIRED
FOR
CLASS
II,
DIV
.1,
Gr
.
E,
F
,
G
AND
OUTDOOR
NEMA
4X/TYPE
4X
LOCA
TIONS
3.
THE
MAXIMUM
VOL
T
AGE
OF
THE
NON-INTRINSICALL
Y
SAFE
APP
ARA
TUS
MUST
NOT
EXCEED
250
V
rms.
4.
UNDER
THE
ENTITY
EV
ALUA
TION
CONCEPT
,
THE
LR
200
HAS
THE
FOLLOWING:
Ui
=
30
VOL
TS
D.C.
Ii
=
120
mA
Pi
=
0.8W
C
i=1
5n
F
L
i=0
.1m
H
5.
SUBSTITUTION
OF
COMPONENTS
MA
Y
IMP
AIR
INTRINSIC
SAFETY
.
6.
INST
ALL
PER
NEC
/
CEC
7.
USE
SUPPL
Y
WIRES
RA
TED
FOR
10
°
ABOVE.
8.
EXTERNAL
BONDING
HUBS
ARE
REQUIRED
WHEN
BOTH
CONDUIT
ENTRIES
ARE
USED.
THE
ENTITY
EV
ALUA
TION
CONCEPT
IS
A
METHOD
USED
T
O
DETERMINE
ACCEPT
ABLE
COMBINA
TIONS
OF
INTRINSICALL
Y
SAFE
APP
ARA
TUS
AND
CONNECTED
ASSOCIA
TED
APP
ARA
TUS
THA
T
HA
VE
NOT
BEEN
INVESTIGA
TED
IN
SUCH
COMBINA
TION.
HAZARDOUS
AREA
NON-HAZARDOUS
AREA
SAFE
AREA
APP
ARA
TUS
INTRINSICALL
Y
SAFE
(SEE
NOTE
1)
Load
4–2
0m
A
ENTITY
CONCEPT
DEFINITION:
THE
ENTITY
CONCEPT
ALLOWS
THE
INTERCONNECTIONS
OF
INTRINSICALL
Y
SAFE
APP
ARA
TUS
TO
ASSOCIA
TED
APP
ARA
TUS
NOT
SPECIFICALL
Y
EXAMINED
IN
SUCH
COMBINA
TIONS.
THE
CRITERIA
FOR
INTERCONNECTION
IS
THA
T
THE
VOL
TAGE
AND
CURRENT
WITH
INTRINSICALL
Y
SAFE
APP
ARA
TUS
CAN
RECEIVE
AND
REMAIN
INTRINSICALL
Y
SAFE,
CONSIDERING
FAUL
TS,
MUST
BE
EQUAL
OR
GREA
TER
THAN
THE
VOL
TAGE
(Uo)
AND
CURRENT
(Io)
LEVELS
WHICH
CAN
BE
DELIVERED
BY
THE
ASSOCIA
TED
APP
ARA
TUS,
CONSIDERING
FAUL
TS
AND
APPLICABLE
FACT
ORS.
IN
ADDITION,
THE
MAX.
UNPROTECTED
CAP
ACIT
ANCE
(Ci)
AND
INDUCT
ANCE
(Li)
OF
THE
INTRINSICALL
Y
SAFE
APP
ARA
TUS,
INCL.
INTERCONNECTING
WIRING,
MUST
BE
EQUAL
OR
LESS
THAN
THE
CAP
ACIT
ANCE
AND
INDUCT
ANCE
WHICH
CAN
BE
SAFEL
Y
CONNECTED
TO
THE
ASSOCIA
TED
APP
ARA
TUS.
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