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This document contains information proprietary to |
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to those who may compete with Rosemount Analytical. |
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| REVISION | |
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| ATEX INTRINSIC SAFETY INSTALLATION | |||
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D | CONDUCTIVITY | 7 | ||||
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SENSORS |
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| REV | 222,225,226 & 228. | 5 |
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| REV | 242 (1" & 2" ONLY) |
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| REVISIONS NOT PERMITTED |
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| REMOTE CONTROL UNIT |
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| FOR USE IN | 9 |
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| ZONE 0 |
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HAZARDOUS AREA (ZONE 0)
1180
II1 G Baseefa03ATEX0399 EEx ia IIC T4
LTR | ECO | DESCRIPTION | BY | DATE | CHK |
UNCLASSIFIED AREA
1400286
C
9MAXIMUM SENSOR CABLE LENGTH IS 250 FEET.
8.PROCESS RESISTIVITY MUST BE LESS THAN 10 OHMS.
7.USE SUPPLY WIRES SUITABLE FOR 5^C ABOVE9 SURROUNDING AMBIENT.
6.ANY ASSOCIATED APPARATUS MUST BE ATEX APPROVED.
B5. 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.
3.THE ENTITY CONCEPT ALLOWS INTERCONNECTION OF INTRINSICALLY SAFE APPARATUS WITH ASSOCIATED APPARATUS WHEN THE FOLLOWING IS TRUE:
FIELD DEVICE INPUT | ASSOCIATED APPARATUS OUTPUT |
Vmax OR Ui | Voc, Vt OR Uo; |
Imax OR Ii | Isc, It OR Io; |
Pmax OR Pi | Po; |
Ci+ Ccable; | Ca, Ct OR Co |
Li+ Lcable. | La, Lt OR Lo |
2.RESISTANCE BETWEEN INTRINSICALLY SAFE GROUND AND EARTH GROUND MUST BE LESS THAN 1.0 Ohm.
1.INTRINSICALLY SAFE APPARATUS (MODEL
AREQUIREMENTS: 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).
NOTES: UNLESS OTHERWISE SPECIFIED
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ATEX APPROVED | UNSPECIFIED |
ASSOCIATED APPARATUS | POWER SUPPLY |
SEE NOTE 3 AND TABLE 1 | 17.5 VDC MAX |
WARNING- SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY.
WARNING- TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE ATMOSPHERES,
DISCONNECT POWER BEFORE SERVICING.
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| TABLE I |
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| SUPPLY / SIGNAL TERMINALS TB1 15 AND 16 |
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| MODEL NO. | Vmax (Vdc) |
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| 17.5 |
| 380 |
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| TOLERANCES |
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| APPROVALS | DATE | Uniloc | Rosemount Analytical, | ||||||
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| Irvine, CA 92606 | |||||
Baseefa Certified Product |
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| REMOVE BURRS & SHARP EDGES .020 MAX |
| DRAWN | B. JOHNSON | 5/3/04 | TITLE |
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| 2400 Barranca Pkwy | |||
No modifications permitted |
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| NOMINAL SURFACE FINISH 125 |
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| MACHINED FILLET RADII .020 MAX |
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without the approval of |
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| SCHEMATIC, INSTALLATION | ||||||
the Authorized Person |
| MATERIAL |
| CHECKED J. FLOCK | 5/6/04 | ||||||||||
Related Drawing |
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| J. FLOCK | 5/6/04 |
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| FINISH |
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| THIS DWG CREATED IN |
| D | DWG NO. |
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8925 | A |
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| SOLID EDGE |
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| 1400286 | A | |||||
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| SIZE |
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RELEASE DATE | ECO NO. | REV |
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| 2 | SCALE NONE |
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C
B
A