GRPS E-G
CLASS II, DIV 2
GRPS A-D
NI CLASS I, DIV 2
CLASS III
CLASS II, GRPS E-G
IS CLASS I, GRPS A-D
HAZARDOUS AREA
LOAD
B1
UNSPECIFIED
POWER SUPPLY
30 VDC MAX
MODEL
5081-T-HT
XMTR
UNCLASSIFIED AREA
1
2
3
4
5
6
7
8
9
10
1
1
12
13
14
1
5
1
6
SAFETY BARRIER
(SEE NOTES 1 & 6)
INFRARED
REMOTE CONTROL UNIT
(RMT PN 23572-00)
FOR USE IN
CLASS I AREA ONLY
APPROVED CONDUCTIVITY
SENSORS
222,225,226 & 228
242 & 245
12
B
CSA
Pmax NOT GREATER THAN 0.9 W
Isc OR It NOT GREATER THAN 200 mA
Voc OR Vt NOT GREATER THAN 30 V
SUPPLY/SIGNAL TERMINALS TB1-15, 16
1. ANY SINGLE SHUNT ZENER DIODE SAFETY BARRIER APPROVED BY CSA HAVING THE FOLLOWING OUTPUT PARAMETERS:
12 MAXIMUM SENSOR CABLE LENGTH IS 250 FEET.
INDUCTANCE (La) WHICH CAN BE SAFELY CONNECTED TO THE APPARATUS. (REF. TABLE I).
INCLUDING INTERCONNECTING WIRING, MUST BE EQUAL OR LESS THAN THE CAPACITANCE (Ca) AND
UNPROTECTED CAPACITANCE (Ci) AND INDUCTANCE (Li) OF THE INTRINSICALLY SAFE APPARATUS,
CAN BE DELIVERED BY THE ASSOCIATED APPARATUS (SAFETY BARRIER). IN ADDITION, THE MAXIMUM
MUST BE EQUAL TO OR GREATER THAN THE VOLTAGE (Voc OR Vt) AND CURRENT (Isc OR It) WHICH
REQUIREMENTS: THE VOLTAGE (Vmax) AND CURRENT (Imax) OF THE INTRINSICALLY SAFE APPARATUS
FIELDBUS DEVICES) AND ASSOCIATED APPARATUS (SAFETY BARRIER) SHALL MEET THE FOLLOWING
2. INTRINSICALLY SAFE APPARATUS (MODEL 5081-T-H
T, FIELDBUS TERMINATOR AND ANY ADDITIONAL
TABLE I
Li+ Lcable.
Ci+ Ccable;
Pmax OR Pi Po;
Imax OR Ii Isc, It OR Io;
Vmax OR Ui Voc, Vt OR Uo;
FIELD DEVICE INPUT ASSOCIATED APPARATUS OUTPUT
WITH ASSOCIATED APPARATUS WHEN THE FOLLOWING IS TRUE:
6. THE ENTITY CONCEPT ALLOWS INTERCONNECTION OF INTRINSICALLY SAFE APPARATUS
La, Lt OR Lo
Ca, Ct OR Co
10. NO REVISION TO DRAWING WITHOUT PRIOR CSA APPROVAL.
9. THE ASSOCIATED APPARATUS MUST BE CSA APPROVED.
WHEN INSTALLING THIS EQUIPMENT.
7. ASSOCIATED APPARATUS MANUFACTURER'S INSTALLATION DRAWING MUST BE FOLLOWED
MORE THAN 250 Vrms OR Vdc.
8. CONTROL EQUIPMENT CONNECTED TO ASSOCIATED APPARATUS MUST NOT USE OR GENERATE
11. USE SUPPLY WIRES SUITABLE FOR 5°C ABOVE SURROUNDING AMBIENT.
200
30
SUITABILITY FOR DIVISION 2.
SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY OR
27.8
5081-T-FF ENTITY PARAMETERS
5081-T-HT
MODEL NO.
0
0.9
)Hm(
iL)cd
V(
x
a
mV
Ci (nF)
Pmax (W)
Imax (mA)
SUPPLY / SIGNAL TERMINALS TB 1-15, 16
DISCONNECT POWER BEFORE SERVICING.
TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE ATMOSPHERES,
WARNING-
WARNING-
5. RESISTANCE BETWEEN INTRINSICALLY SAFE GROUND AND EARTH GROUND MUST BE LESS THAN 1.0 Ohm.
4. DUST-TIGHT CONDUIT SEAL MUST BE USED WHEN INSTALLED IN CLASS II AND CLASS III ENVIRONMENTS.
ELECTRICAL CODE (CSA C22.1).
INTRINSICALLY SAFE SYSTEMS FOR HAZARDOUS (CLASSIFIED) LOCATIONS" AND THE CANADIAN
3. INSTALLATION SHOULD BE IN ACCORDANCE WITH ANSI/ISA RP12.06.01 "INSTALLATION OF
THIS DOCUMENT IS
CERTIFIED BY
REV
REV
REV
REV
REV
REV
REVISIONS NOT PERMITTED
W/O AGENCY APPROVAL
NOTES: UNLESS OTHERWISE SPECIFIED
(182 Seiten)
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