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Wiring in Hazardous Areas
Table 1. Trouble-Shooting
Wiring in hazardous areas should be performed in
accordance with Table 3 & 4, and any local codes that apply.
Problem
No Output
Table 2 - Hazardous Location Wiring Practices
Country
Agency
Leakage
U.S.
FM
Low or Improper
Span Adjust
Canada
CSA
Europe
ATEX
Erratic Operation
Global
IECEx
WARNING:
Hazardous Location Installation: Warnings and Special Conditions for Use and Installation
Failure of Transducer could result in output pressure increasing to supply
The enclosure is manufactured from aluminum alloy. In rare cases, ignition sources due to impact and friction sparks could occur. This shall
pressure possibly causing personal injury or damage to equipment.
be considered when the equipment is installed in locations that specifically require Group II, category 1G or Class I, Division 1 equipment.
Service Kits for TXI7800/TXI7850
CSA installations for Class I, Division 1 locations with Group D gases as the Supply Pressure media must be installed with either the
Series
tapped exhaust option, or the customer must provide adequate purging of the classified area based on the bleed rate and the number
TEXI/TAXI
of units operating. The bleed rate provided in the table for units is a maximum set point of 30 PSIG output regardless of supply pres-
Kit part no. 19268-1
sure up to 125 PSIG maximum.
TCXI/TFX
Table 4 - Max Air Consumption
Kit part no. 19268-2
Air Consumption
Set Point
30
T*XI
[2.0]
Kit part no. 19268-14
T*XI
(200)
Kit part no. 19268-15
3
SCFH/(m
/Hr)
13.5/(0.38)
T*XI
Kit part no. 19268-16
The information set forth in the foregoing Installation, Operation and Maintenance Instructions shall not be modified or amended in any respect
without prior written consent of Fairchild Industrial Products Company. In addition, the information set forth herein shall be furnished with each
product sold incorporating Fairchild's unit as a component thereof.
The information set forth in the foregoing Installation, Operation and Maintenance Instructions shall not be modified or amend-
ed in any respect without prior written consent of Fairchild Industrial Products Company. In addition, the information set forth
herein shall be furnished with each product sold incorporating Fairchild's unit as a component thereof.
HAZARDOUS AREA SPECIFICATIONS
ATEX Directive Nameplates
Solution (check)
Supply Pressure
Clogged Orifice
Code
Connections
ANSI/ISA RP 12.6
Zero and Span Adjust
ANSI/NFPA70
Supply Pressure Low
CEC Part1
Output Leakage
EN 50 0392 EN 60079-14,
DC Signal
IEC 60079-14
Loose Wires or Connections
IEC 60079-14
Liquid in Air Supply
Ranges
3-15 psig, [0.2-1.0 Bar], (20-100 Kpa)
3-27 psig, [0.2-1.8 Bar], (20-180 Kpa)
6-30 psig, [0.4-2.0 Bar], (40-200 Kpa)
3-15 psig, [0.2-1.0 Bar], (20-100 Kpa)
3-27 psig, [0.2-1.8 Bar], (20-180 Kpa)
Units
6-30 psig, [0.4-2.0 Bar], (40-200 Kpa)
PSIG
0-30 psig, [0.0-2.0 Bar], (0-200 Kpa)
[BAR]
0-60 psig, [0.0-4.0 Bar], (0-400 Kpa)
(kPa)
0-120 psig, [0.0-8.0 Bar], (0-800 Kpa)
Figure 5.
Table 3 - Intrinsically Safe Connections
Underwriting Group
FM (Factory Mutual)
CSA (Canadian Standards Assoc.)
ATEX
Standard Range Unit
Input
psig BAR
0-30
4-20 mA, 0-5, 1-5,
0-60
0-10 & 1-9 VDC
0-120 0-8
Extended Range Unit
LEGAL NOTICE:
TXI7800/TXI7850 Calibration Configuration
LEGAL NOTICE:
5
CATALOG NO. TEXI78
INPUT
4-20mA
OUTPUT
SUPPLY MAX.
SUPPLY MIN.
MAXIMUM OPERATING VOLTAGE 30 VDC
•Ex ia IIB T4 Ga
Ex iaD 20 T90ºC Da
SIRA 11ATEX2161X
(Ta -40ºC to +80ºC) SYST DWG ED-18972
Ui=28V Ii=100mA Pi=0.7W Ci=0 Li=0
Drawing Number
EC-18970
EC-18971
EC-18972
Span
Output
Position
(kPa)
0-2
0-200
HI
0-4
0-400
HI
0-800
HI
Input
Output
psig
BAR
1
0-15
0-1
1
15-30
1-2
1
4-20 mA, 0-5, 1-5,
0-30
0-2
1
0-10 & 1-9 VDC
30-60
2-4
0-60
1
0-4
1
60-120
4-8
1
Split Range Output.
Figure 6.
-4
OVER MAX. OUTPUT
II 1 GD
0518
Standard
Range
Unit
Span
Position
(kPa)
1
1
0-100
LO
1
1
100-200
LO
1
1
0-200
LO
Extended
1
1
200-400
LO
1
1
Range
0-400
LO
1
1
400-800
LO
Units
IS-500TXI78
REV 08/06
Litho in USA
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