Instruction manual
25
FIGURE 4-8. FM Intrinsically Safe Installation for Model Xmt-C-FF
10/6/04
10/6/04
336.19mW
174.42mA
7.71V
7.16
2.66
0.865
9978
128
0.85
D
13. METAL CONDUIT IS NOT REQUIRED BUT IF USED BONDING BETWEEN CONDUIT IS NOT
AUTOMATIC AND MUST BE PROVIDED AS PART OF THE INSTALLATION.
C
Po;
Isc, It OR lo;
Voc, Vt OR Uo;
OR SIMPLE APPARATUS
FM APPROVED DEVICE
TB1-1 THRU 12
MODEL XMT-C-FF
PASSIVE COMPONENT THAT DOES NOT DISSIPATE MORE THAN 1.3W.
AND THE NEC, ANSI/NFPA 70. THEY CAN NOT GENERATE NOR STORE MORE THAN 1.5V, 100mA, 25mW OR A
5. SENSORS SHALL MEET THE REQUIREMENTS
OF SIMPLE APPARATUS AS DEFINED IN ANSI/ISA RP12.6
WHEN INSTALLING THIS EQUIPMENT.
9. ASSOCIATED APPARATUS MANUFACTURER'S INSTALLATION DRAWING MUST BE FOLLOWED
2. THE CAPACITANCE AND INDUCTANCE OF THE LOAD CONNEC
TED TO THE SENSOR TERMINALS MUST NOT EXCEED THE VALUES
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 TB2-1, 2 AND 3.
1. ANY SINGLE SHUNT ZENER DIODE SAFETY BARRIER APPROVED BY FM HAVI
NG THE FOLLOWING OUTPUT PARAMETERS:
3. INTRINSICALLY SAFE APPARATUS (MODEL XMT-C-FF, IRC TRANSMITTER AND MODEL 375)
XMTR
XMT-C-FF
MODEL
XMT-C-FF
XMT-C-FF ENTITY PARAMETERS
(FM APPROVALS)
MOD XMT-C-FF XMTR
0.0
SUPPLY / SIGNAL TERMINALS TB2-1, 2 AND 3
321
23456 78 9 1011121
SPECIFIED IN TABLE I
La Li (SENSOR) + Lcable.
WHERE Ca Ci (SENSOR) + Ccable;
(SEE NOTES 1 & 9)
SAFETY BARRIER
GROUPS
GAS
OUTPUT PARAMETERS
(mH)
La
(uF)
Ca
TABLE I
A, B
Po
TABLE II
Uo
Io
PARAMETERS
OUTPUT
Li+ Lcable.
Ci+ Ccable;
Pmax OR Pi
Imax OR Ii
Vmax OR Ui
FIELD DEVICE INPUT ASSOCIATED APPARATUS OUTPUT
WITH ASSOCIATED APPARATUS WHEN THE FOLLOWING IS TRUE:
8. THE INTRINSICALLY SAFE ENTITY CONCEP
T ALLOWS INTERCONNECTION OF INTRINSICALLY SAFE DEVICES
300
30
La, Lt OR Lo
Ca, Ct OR Co
SYSTEMS FOR HAZARDOUS (CLASSIFIED) LOCATIONS" AND THE NATIONAL ELECTRICAL CODE (ANSI/NFPA 70) SECTIONS 504 AND 505.
4. INSTALLATION SHOULD BE IN ACCORDANCE WITH ANSI/ISA RP12.06.01 "INSTALLATION OF INTRINSICALLY SAFE
0.4
TABLE III
MODEL NO.
0
1.3
Vmax (Vdc)
Li (mH)
Ci (nF)
Pmax (W)
Imax (mA)
0.0
32
1.9
ENTITY PARAMETERS: REMOTE TRANSMITTER INTERFACE
Isc max OUT:uA
Voc max OUT: Vdc
Pamx IN: W
Imax IN:mA
Vmax IN: Vdc
375
MODEL NO.
1.0
20030
Li (mH)
Ci (uF)
FM APPROVAL.
12. NO REVISION TO DRAWING WITHOUT PRIOR
FIELD COMMUNICATOR
ROSEMOUNT MODEL 375
TABLE III)
(SEE NOTE 2 AND
CLASS I AREA ONLY
INTERFACE FOR USE IN
REMOTE TRANSMITTER
SUITABILITY FOR DIVISION 2.
SUBSTITUTION OF COMPONENTS MAY IMPAIR INTRINSIC SAFETY OR
DISCONNECT POWER BEFORE SERVICING.
TO PREVENT IGNITION OF FLAMMABLE OR COMBUSTIBLE ATMOSPHERES,
SENSOR
CONDUCTIVITY
GROUPS A, B, C, D, E, F, G;
DIVISION 1,
IS CLASS I, II, III,
HAZARDOUS AREA
WARNING-
INDUCTANCE (La) WHICH CAN BE SAFELY CONNECTED TO THE APPARATUS. (REF. TABLES I, II AND III).
INCLUDING INTERCONNECTING WIRING, MUST BE EQUAL OR LESS THAN THE CAPACITANCE (Ca) AND
UNPROTECTED CAPACITANCE (Ci) AND INDUCTANCE (Li) OF
THE INTRINSICALLY SAFE APPARATUS,
DELIVERED BY THE ASSOCIATED APPARATUS (SAFETY BARRIER). IN ADDITION, THE MAXIMUM
EQUAL TO OR GREATER THAN THE VOLTAGE (Voc OR Vt) AND CURRENT (Isc OR It) WHICH CAN BE
T
HE VOLTAGE (Vmax) AND CURRENT (Imax) OF THE INTRINSICALLY SAFE APPARATUS MUST BE
AND ASSOCIATED APPARATUS (SAFETY BARRIER) SHALL MEET THE FOLLOWING REQUIREMENTS:
24V TYP
30 VDC MAX FOR IS
POWER SUPPLY
UNSPECIFIED
11. T
HE ASSOCIATED APPARATUS MUST BE FM APPROVED.
7. RESISTANCE BETWEEN INTRINSICALLY SAFE GROUND AND EARTH GROUND MUST BE LESS THAN 1.0 Ohm.
6. DUST-TIGHT CONDUIT SEAL MUST BE USED WHEN INSTALLED IN CLASS II AND CLASS III ENV
IRONMENTS.
WARNING-
NON-HAZARDOUS AREA
LOAD
MORE THAN 250 Vrms OR Vdc.
10. CONTROL EQUIPMENT CONNECTED TO ASSOCIATED APPARATUS MUST NOT USE OR GENERATE
J. FLOCK
B. JOHNSON
THIS DOCUMENT IS
CERTIFIED BY
REV
REV
REV
REV
REV
REV
REVISIONS NOT PERMITTED
W/O AGENCY APPROVAL
SCHEMATIC, INSTALLATION
Uniloc
9/15/04
NOMINAL SURFACE FINISH 125
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J. FLOCK
A
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APPROVALS
.030
.XX
.XXX
.010
+
-
ANGLES
+
1/2
-
+
-
TOLERANCES
SOLID EDGE
CHK
REVISION
DATE
BYDESCRIPTION
ECO
LTR
NOTES: UNLESS OTHERWISE SPECIFIED
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