Fairchild T6000 User manual

1
FAIRCHILD T6000 STANDARD RANGE
ELECTRO-PNEUMATIC TRANSDUCER
Operation and Maintenance Instructions
GENERALINFORMATION
The Model T6000 is an Electro-Pneumatic device that
convertsaDCcurrentorvoltageinputsignaltoadirectly
proportionalpneumaticoutput. InletandOutletPortson
Figure 1. T6000CalibrationConfiguration.
bothfrontandrearofthiscompactunitsimplifypneumatic
piping. For detailed information, see Figure 1 “T6000
CalibrationConfiguration”above.

1.
2.
3.
Shutoffthevalvethatissupplyingairtotransducer. It
is not necessary to remove the Transducer from
the air line.
Remove the Orifice Assembly from the unit. For
detailedinformationseeFigure1 “T6000Calibration
Configurationonpage1.
Cleanwith alcohol and dry with compressedair.
To clean the Orifice, use the following procedure:
MAINTENANCE
Parts must be completely dry before reas-
sembling.
If the standard maintenance procedure
doesnotcorrectthetrouble,installService
Kit EA-16798-1. (SoldSeparately)
NOTES:
TROUBLE-SHOOTING
Table 1. Trouble-Shooting.
Problem Solution (check)
SupplyPressure
CloggedOrifice
InputSignal
PneumaticConnections
ZeroandSpanAdjust
SupplyPressureLow
OutputLeakage
DCSignal
LooseWires orConnections
Liquid inAir Supply
DirtinMagnetGap
NoOutput
Leakage
LoworImproper
SpanAdjust
ErraticOperation
WARNING: FailureofTransducercouldresultinout-
put pressure increasing to supply pres-
surepossiblycausing personal injury or
damage to equipment.
OM-50T6000S
Litho in USA
Rev. C 01/04
CALIBRATIONS/ADJUSTMENTS
Equipment Required for Calibration:
FULLRANGEOPERATION
Forward Acting Mode Adjustment
1. Connecttheinputsignaltothetransducerasshown
intheInstallationInstructions,II-50T6000S.
Repeat steps 2-3 until the desired output range is
obtained. For detailed information, see Figure 1
“T6000CalibrationConfiguration”onpage1.
• PneumaticSupplycapableofdeliveringupto150psig.
•Current Supply capable of delivering up to 60 mA.
• PressureGagecapableofadigitalreadoutupto50psig
with an accuracy of .1%.
• DigitalVoltMetercapableofareadoutupto60mAwith
an accuracy of .02%.
4.
• ForwardActingCalibration-Zero
2. Apply the minimum input signal and adjust the Zero
screw for minimum output pressure. Turn screw
clockwise to increase pressure and counterclock-
wiseto decreasepressure.
ApplythemaximuminputsignalandadjusttheSpan
screw for maximum output pressure. Turn screw
clockwise to increase pressure and counterclock-
wiseto decreasepressure.
ReverseActing ModeAdjustment
5. Connecttheinputsignaltothetransducerasshown
intheInstallationInstructions,II-50T6000S.
• ReverseActingCalibration-Zero
6. Apply the minimum input signal and adjust the Zero
screw for maximum output pressure. Turn screw
clockwise to increase pressure and counterclock-
wiseto decreasepressure.
• ForwardActingCalibration-Span
3.
8.
• ReverseActingCalibration-Span
7. ApplythemaximuminputsignalandadjusttheSpan
screw for minimum output pressure. Turn screw
clockwise to decrease pressure and counterclock-
wisetoincrease pressure.
Repeat steps 6-7 until the desired output range is
obtained. For detailed information, see Figure 1
“T6000CalibrationConfiguration”onpage1.
SPLITRANGEOPERATION
Allunitshavethecapabilitytobesplitrangedorsetforany
outputinthe range aslongastheOutput Spanis equalto
orgreaterthan the minimum Span.
Theinformationsetforthintheforegoing Operation
andMaintenance Instructionsshall not bemodified
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.
LEGALNOTICE:
INDUSTRIAL PRODUCTS COMPANY
3920 WEST POINT BLVD. WINSTON-SALEM, NC 27103-6708
TEL [phone]
www.fairchildproducts.com
FAX [phone]
R
ISO 9001:2000
FM NO. 25571