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Rosemount Analytical,
Uniloc Division
2400 Barranca Pkwy
Irvine, CA 92606
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J. FLOCK
NONE
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1400286
8925
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NOMINAL SURFACE FINISH 125
5/3/04
5/6/04
5/6/04
Uniloc
SCHEMATIC, INSTALLATION
B. JOHNSON
J. FLOCK
5081-T-FI XMTR
ATEX ZONE 0
5-6-04
No modifications permitted
without the approval of
the Authorized Person
Related Drawing
Baseefa Certified Product
UNSPECIFIED
POWER SUPPLY
17.5 VDC MAX
MODEL
5081-T-FI
XMTR
HAZARDOUS AREA
UNCLASSIFIED AREA
WARNING-
WARNING-
12
3
4
5
6
7
8
9
10
11
12
13
14
15
16
TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE ATMOSPHERES,
DISCONNECT POWER BEFORE SERVICING.
Imax (mA)
Pmax (W)
Ci (uF)
Li (uH)Vmax (Vdc)
5.32
0
MODEL NO.
5081-T-FI
5081-T-FI ENTITY PARAMETERS
17.5
380
SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY.
(ZONE 0)
SUPPLY / SIGNAL TERMINALS TB1 15 AND 16
INFRARED
REMOTE CONTROL UNIT
(RMT PN 23572-00)
FOR USE IN
ZONE 0
CONDUCTIVITY
SENSORS
222,225,226 & 228.
242 (1" & 2" ONLY)
TABLE I
1180
II 1 G
Baseefa03ATEX0399
EEx ia IIC T4
9
0
ATEX INTRINSIC SAFETY INSTALLATION
NOTES: UNLESS OTHERWISE SPECIFIED
2. RESISTANCE BETWEEN INTRINSICALLY SAFE GROUND AND EARTH GROUND MUST BE LESS THAN 1.0 Ohm.
7. USE SUPPLY WIRES SUITABLE FOR 5^C ABOVE SURROUNDING AMBIENT.
5. CONTROL EQUIPMENT CONNECTED TO ASSOCIATED APPARATUS MUST NOT USE OR GENERATE
MORE THAN 250 Vrms OR Vdc.
4. ASSOCIATED APPARATUS MANUFACTURER'S INSTALLATION DRAWING MUST BE FOLLOWED
WHEN INSTALLING THIS EQUIPMENT.
Ca, Ct OR Co
La, Lt OR Lo
WITH ASSOCIATED APPARATUS WHEN THE FOLLOWING IS TRUE:
FIELD DEVICE INPUT ASSOCIATED APPARATUS OUTPUT
Vmax OR Ui
Imax OR Ii
Pmax OR Pi
Ci+ Ccable;
Li+ Lcable.
6. ANY ASSOCIATED APPARATUS MUST BE ATEX APPROVED.
9
8. PROCESS RESISTIVITY MUST BE LESS THAN 10 OHMS.
1. INTRINSICALLY SAFE APPARATUS (MODEL 5081-T-FI, FIELDBUS TERMINATOR AND ANY ADDITIONAL
FIELDBUS DEVICES) AND ASSOCIATED APPARATUS (SAFETY BARRIER) SHALL MEET THE FOLLOWING
REQUIREMENTS: THE VOLTAGE (Vmax) AND CURRENT (Imax) OF THE INTRINSICALLY SAFE APPARATUS
MUST BE EQUAL TO OR GREATER THAN THE VOLTAGE (Voc OR Vt) AND CURRENT (Isc OR It) WHICH
CAN BE DELIVERED BY THE ASSOCIATED APPARATUS (SAFETY BARRIER). IN ADDITION, THE MAXIMUM
UNPROTECTED CAPACITANCE (Ci) AND INDUCTANCE (Li) OF THE INTRINSICALLY SAFE APPARATUS,
INCLUDING INTERCONNECTING WIRING, MUST BE EQUAL OR LESS THAN THE CAPACITANCE (Ca) AND
INDUCTANCE (La) WHICH CAN BE SAFELY CONNECTED TO THE APPARATUS. (REF. TABLE I).
3. THE ENTITY CONCEPT ALLOWS INTERCONNECTION OF INTRINSICALLY SAFE APPARATUS
9 MAXIMUM SENSOR CABLE LENGTH IS 250 FEET.
Po;
Isc, It OR Io;
Voc, Vt OR Uo;
ATEX APPROVED
ASSOCIATED APPARATUS
SEE NOTE 3 AND TABLE 1
FISCO
THIS DOCUMENT IS
CERTIFIED BY
REV
REV
REV
REV
REV
REV
REVISIONS NOT PERMITTED
W/O AGENCY APPROVAL
A
Baseefa
36
FIGURE 4-19. ATEX Intrinsically Safe Installation for Model 5081-T-FI
MODEL 5081-T SECTION 4.0
INTRINSICALLY SAFE & EXPLOSION PROOF