lvdt-200 dual lvdt controllers positioning and displacement · of configuration modes for easy lvdt...

LVDT200 manual (d0018) 1Texmate, Inc. Tel. (760) 598-9899 www.texmate.com

Input setup mode• 50or60Hzsupplyfrequency.• Excitationfrequencies: 50 Hz:1.2,1.6,2.4,3.2,4.8,6.4,8.0,9.6

kHzexcitation. 60 Hz: 1.44, 1.92, 2.88, 3.84, 5.76, 7.68,

9.60,11.52kHzexcitation.• Updaterates:1,4,10,or20readingsper

second.• Independentdecimalpointpositionsetting

foreachchanneldisplaywithresolutionto0.00001ofanyengineeringunit.

Calibration mode• Independentcalibrationforeachchannel: Auto Calibration:2-pointzeroandspan

setting. Offset Trim: Independently trimthezero

settingorenteranoffsetvalue. Span Trim: Independently trim thespan

setting.

Analog output mode• Zerosetting.

• Fullscalesetting.

Setpoints mode• Fourindependentlyconfiguredsetpoints

with above and below setpoint valueactuation.

LVDT-200Dual LVDT Controllers

Positioning & Displacement

Introduction Specifications

• 1/8DINCase

• 6-digit,0.56”(14.2mm)Alphanumeric Display

• 3-buttonFrontPanelOperation

• IntuitiveScrollingTextConfiguration Menus

GeneralDigital Display:14-segmentalphanumeric,0.56”(14.2mm)LEDs.Display Color: Red(standard).GreenorSuper-brightRed(optional).Display Range:-199999to999999.Display Update Rate:1,4,10,or20timespersecond.Display Dimming:8brightnesslevels.Frontpanelselectable.Scrolling Display Text Messaging: Full alphanumeric textcharacterssupported.Polarity:Assumedpositive.Displays–negative.Annunciators:6redLEDsonfrontpanel;onepersetpoint.OverrangeIndication:Underrange Indication:FrontPanelControls:PROGRAM,UPandDOWNbuttons.PowerSupplies. StandardhighvoltageAC/DCpowersupply85-265VAC/95-300VDC,50-400Hz,2Wnominal.oroptionallowvoltageAC/DCpowersupply14-48VAC/10-72VDC.

EnvironmentalOperating Temperature: 0to50˚C(32˚Fto122˚F).Storage Temperature:-20˚Cto70˚C(-4˚Fto158˚F).RelativeHumidity:95%(non-condensing)at40˚C(104˚F).

MechanicalCase Dimensions: 1/8DIN,96x48mm(3.78”x1.89”).Case Depth: 137mmmaximum(5.39”).Case Material:94V-0ULratedself-extinguishingpolycarbonate.Weight:11.5oz(0.79lbs),14oz(0.96lbs)whenpacked.

ApprovalsUL: E469078 Input Module ISL1ExcitationVoltage:3VRMSsinewave,zeroDCcomponentTHD<2%(1.2kHz).ExcitationFrequency: x16selectable frequenciesavailable(1.2kHzto11.5kHz).Crystallocked,softwaredriven.Temperature Coefficient: ±50ppm/°Coffullscale(typical).Dual LVDT Inputs: 30kΩinputimpedance.Synchronousdemodulationofexcitationcarrier.>130dbrejectionofexcitationcarrier.FrequencyResponse:500Hz(–3db)low-passfilter.Analog to Digital: DualchannelΣΔA/Dconvertorapproaching19-bitresolution.Ratiometricoperationrelativetoexcitationvoltagemagnitude.Dual Output Rates: Rapidandaverage responseoutputs.1Hz,2Hz,10Hz,20Hzaveraged.LineFrequencyRejection:50/60Hznoiserejection.

Relay Output ModulesPleaseseePage11.

TheLVDT-200Seriesareaccurate,high performance, programmabledualchannelcontrollers thatdeliverprecise measurement and controlfor applications using LVDT (LinearVariable Differential Transformer)inputs.The 6-digit alphanumeric LEDdisplayprovideseasytofollowsetupprompts for all LVDT parametersusingthefollowingintuitivescrollingtextconfigurationmenus.

• Relay Standard :Four4amprelays.• Analog Output Standard:Fullyscalablefrom0/4

to20mA(orreverse). Options:Single0to10VDC(or

reverse)ordual10–0–10VDC.

AdvancedFunctionsArangeofbuilt-inmeasurementandcontrol functions are available withthe LVDT-200 Series controllers’resident operating system that canalso be programmed from the frontpanel.Theseinclude:• Linearization. Uptofour32-point

flexiblelinearizationtablesorasingle125-pointflexibletable.

• SerialCommunications.OptionalsingleASCIIorEthernet(TCP/IP)outputs.

• Differential Measurement. Differentialmeasurementandcrosschannelmathsavailable(A+B,A–B,AxB,A/B).

Optimizeperformanceandlinearity.Selectthecorrectfrequencyforyoursensor

TIGERFAMILY

2 LVDT200 manual (d0018)Texmate, Inc. Tel. (760) 598-9899 www.texmate.com

P4 Secs

Input Setup

StartProg. SP1 SP2 SP4SP3 SP5 SP6 Prog. SP1 SP2 SP4SP3 SP5 SP6

P

Prog. SP1 SP2 SP4SP3 SP5 SP6

P

Calibration


P

P

Takes you into Input Setup mode and provides selection for:

• Supply frequency: 50 or 60 Hz.

• One of eight excitation settings for either 50 or 60 Hz.

• One of four output rates.

• Independent decimal point position for channels 1 and 2.

Takes you into Calibration mode and provides selection for:

• Either channel 1 or channel 2 for calibration.

• 2-point auto calibration for zero and span.

• Manual trim for zero offset.

• Manual trim for span.

See Page 3

See Page 4

Prog. SP1 SP2 SP4SP3 SP5 SP6 Prog. SP1 SP2 SP4SP3 SP5 SP6

P

Analog Output Scaling

P

Takes you into Analog Output Scaling mode and provides:

A menu that allows you to set zero and full scale analog output calibration settings. See Page 5

P

Setpoints


P

Takes you into Setpoint mode and provides:

• Selection of individual setpoints SP1 to SP4. • Setting of individual setpoint source. • Setting of individual setpoint activation value. • Setting of individual setpoint activation ABOVE or BELOW.

P

See Page 6

Allows you to change the displayed value:

• Select either CH1, CH2, CH1+CH2 or CH1-CH2.See Page 4

P

Select Display


Table of ContentsSpecifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1IntuitiveScrollingTextMenus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2ViewModes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2ConfigurationMenusLogicTree . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2InputSetup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4AnalogOutputScaling.................................... 5Setpoints. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6CalibrationModeZeroOptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6AnalogOutputScalingandCalibrationExample . . . . . . . . . . . . . . . . 7InputSignalSetupProcedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9ConnectorPinouts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12ApplicationExamples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

IntuitiveScrollingTextMenus

Configuration Menus Logic Tree

After thecontrollerhasbeenpoweredup, thedisplaysettlesand indicates the inputsignalcalibratedvalue.This isknownas the operational mode and is generally referred to as thethroughoutthisdocument.IntuitivescrollingtextmenusprovidequickaccesstoarangeofconfigurationmodesforeasyLVDTsensorapplicationsetup.Thebelowdescribestheconfigurationmenus.

View ModesThe view modes allow easy viewing of the second channelreadingplustotal1andtotal2ifrequired.

P


Operational Display

Example of

Channel 1

Reading





Example

of Total 1

Reading

P


Operational Display

Example of

Channel 2

Reading





Example

of Total 2

Reading



P4 Secs

[_ _ _INPUTSETUP] Prog. SP1 SP2 SP4SP3 SP5 SP6

P [_ _ _SELECTSUPPLYFREQUENCY]



YES

YES

START


P

See Page 4 for further details

YES

YES P

Or press the P button 4 times to

EXIT (bypassing the remaining modes)

and return to the Operational Display

Input Setup

Select the required settingto suit the power supplyfrequency. If the mainssupply is 50 Hz, thenselect 50 Hz to reject50 Hz noise. Correspondingly,if the mains supply is 60 Hz,then select 60 Hz to reject60 Hz noise.

P [_ _ _SELECTEXCITATIONIN KHZ]

OR


[ 11.52]

[ 1.92]

[ 2.88]

[ 3.84]

[ 5.76]

[ 7.68]

[ 9.60]

P [_ _ _SELECTOUTPUT RATE] Prog. SP1 SP2 SP4SP3 SP5 SP6

1 Hz = 1/sec4 Hz = 4/sec10 Hz = 10/sec20 Hz = 20/sec

[_ _ _SELECTEXCITATIONIN KHZ]


[ 1.6]

[ 2.4]

[ 3.2]

[ 4.8]

[ 6.4]

[ 8.0]

[ 9.6]

P

60 Hz Selection

50 Hz Selection

P [_ _ _SELECT DECIMAL POINT CH1]Prog. SP1 SP2 SP4SP3 SP5 SP6

Select the decimal point positionfor the required resolution for CH1:• 0.1 - Tens.• 0.12 - Hundreds.• 0.123 - Thousands.• 0.1234 - Ten thousands.• 0.12345 - Hundred thousands.




OR

ORYES

YES

P [_ _ _SELECT DECIMAL POINT CH2]

Select the decimal point positionfor the required resolution for CH2:• 0.1 - Tens.• 0.12 - Hundreds.• 0.123 - Thousands.• 0.1234 - Ten thousands.• 0.12345 - Hundred thousands.

Calibration

[_ _ _SELECTCALIBRATIONCHANNEL]

[ 0.1]

[ 0.12]

[ 0.123]

[ 0.1234]

[0.12345]


[ 0.1]

[ 0.12]

[ 0.123]

[ 0.1234]

[0.12345]

Select sensor excitationfrequency according tosensor specification tooptimize performance.

Press the button to enter the Calibration Mode

Input SetupTheinput setup modeallowsyoutoconfigurefiveinputsetupsettingsinlinkedmenus.


P

P

[_ _ _SELECT CALIBRATION CHANNEL]




P4 Secs

[_ _ _INPUTSETUP]

START

YES

Input Setup

Calibration

[_ _ _SET SENSOR TO ZERO POSITION– – – PRESS P BUTTON TO ACCEPT]

P [_ _ _ADJUST LVDT SO DISPLAY READS ZERO]

Adjust the sensor to the known zero position. Adjustthe display value using the buttons. Press theP button to accept the sensor's new zero position.

Adjust the LVDT core until the LVDT output is zero.

P [_ _ _SET SENSOR TO SPAN POSITION– – – ENTER SPAN POSITION COUNTS– – – PRESS P BUTTON TO ACCEPT]

Adjust the sensor to the known span position. Adjustthe display value using the buttons. Press theP button to accept the sensor's new span position.

ZERO POSITION

Sensor

SPAN POSITION

Sensor

Max counts 999999

Min counts –199999Prog. SP1 SP2 SP4SP3 SP5 SP6

Max counts 999999


PProg. SP1 SP2 SP4SP3 SP5 SP6

[_ _ _ENTER ZERO OR OFFSET POSITION– – – PRESS P BUTTON TO ACCEPT]

Adjust the sensor to the known zero or offset position.Adjust the display value using the buttons. Pressthe P button to accept the sensor's new zero oroffset position.

P

OR

OR

Max counts 999999


POR


[_ _ _SET SENSOR TO KNOWN POSITION– – – ENTER SPAN POSITION COUNTS– – – PRESS P BUTTON TO ACCEPT]

Set sensor to known span position. Enter span positioncounts using the buttons. Press the P button to acceptthe sensor's new span position.

Max counts 999999


P

Analog Output

PYES


P

[_ _ _SELECTANALOGOUTPUT]

Select Display

[_ _ _SELECTDISPLAY]

This calibration technique allows youto independently trim the zero setting,or enter an offset value without alteringthe calibrated span range.

Choose (CH1) to display the LVDT 1 position, (CH2)to display the LVDT 2 position, (CH 1+2) to display the sumof LVDTs 1 and 2, or (CH 1-2) to display the differenceof LVDTs 1 and 2.

Prog. SP1 SP2 SP4SP3 SP5 SP6 PYES

P

[_ _ _SELECTCALIBRATIONMETHOD]




P

POR

This is a dual zero and spancalibration procedure.

Must bring sensor to NULLposition before calibrating.

This calibration technique allows youto independently trim the span settingwithout altering zero position.

Note, when trimming the span value,the zero offset value is automaticallyrecalculated and adjusted for the newscale factor.


Press the button to enter the Input Setup mode


Press the button to enter the Analog Output mode

Or press the P button 2 times toEXIT (bypassing the remaining modes)and return to the Operational Display

OR

OR

Prog. SP1 SP2 SP4SP3 SP5 SP6Prog. SP1 SP2 SP4SP3 SP5 SP6




OR

CalibrationThecalibration modeprovidesfourindividualcalibrationtechniques.



PYES



P4 Secs

[_ _ _INPUTSETUP]

START

YES

Input Setup

Calibration

Analog Output



YES



[_ _ _SET ZERO VALUE]Max counts 999999


OR

P

P

P [_ _ _SET FULL SCALE VALUE]

Max counts 999999


P [_ _ _SET DATA SOURCE]Prog. SP1 SP2 SP4SP3 SP5 SP6 Prog. SP1 SP2 SP4SP3 SP5 SP6


PYES P

[_ _ _SELECTSETPOINT]

Setpoints

Set the counts required to be displayed for thecalibrated low analog output value usingthe buttons. Press the P button to accept thenew low value.

Set the counts required to be displayed for thecalibrated high analog output value using the buttons. Press the P button to acceptthe new high value.

Select either channel 1 (CH1), channel 2 (CH2),channel 1 plus 2 (CH 1+2) or channel 1 minus 2 (CH 1-2)as the source of data for the selected analog output.

P [_ _ _CALIBRATE OUTPUT] PProg. SP1 SP2 SP4SP3 SP5 SP6 Prog. SP1 SP2 SP4SP3 SP5 SP6

OR

Analog Output 1

Analog Output 2

Or press the P button to EXITand return to the Operational Display

Analog Output Modules:AIC: Single 0/4-20 mAAIV: Single 0-10 V DCADV: Dual 0-10 V DC




Press the button to enter the Calibration mode


Press the button to change the Display






P

Select Display

[_ _ _SELECTDISPLAY] Prog. SP1 SP2 SP4SP3 SP5 SP6Prog. SP1 SP2 SP4SP3 SP5 SP6

1)

Analog Output ScalingThe analog output module is a standard single channel,programmable,isolated,16-bitanalogoutputthatcanbescaledtoanydesiredspanbetween–199999to999999displaycountsusingthe.Optional single channel 0-10 V DC and dual channel 10–0–10 V DC analog output modules are also available.

SeeAnalog Output Proceduresforananalogoutputscalingprocedure.SeeAnalog Output Proceduresforananalogoutputsignalcalibrationprocedure.SeeAnalog Output Proceduresforacurrent/voltageselectionheaderpositioningprocedure.

1)


SetpointsThesetpoint modeprovidessettingsforsixindividualsetpoints.


YES P


P

YES



P4 Secs

[_ _ _INPUTSETUP]

START

YES

Input Setup

Calibration

Analog Output


PYES P




YES P

[_ _ _SELECTSETPOINT]

P

Setpoints




Prog. SP1 SP2 SP4SP3 SP5 SP6 Prog. SP1 SP2 SP4SP3 SP5 SP6Prog. SP1 SP2 SP4SP3 SP5 SP6

YES P

[_ _ _SET SETPOINT SOURCE]




P [_ _ _SET SETPOINT VALUE]Max counts 999999

Min counts -199999Prog. SP1 SP2 SP4SP3 SP5 SP6



P [_ _ _SET SETPOINTACTIVATION]

YES

YES

YES

YES

OR

OR

OR

OR

OR

OR

OR

YES

YES

Setpoints Activation Values:

SP1: 18000SP2: - 18000SP3: 5000SP4: - 5000


Or press the P button to EXIT and

return to the Operational Display



Press the button to enter the Calibration mode



DMC-A2 Series controllers

have up to 4 switched outputs

available in various formats.

Plug-in relay output modules provide

up to 4 relay outputs using 5 A relays.

Select the setpointto be configured

Select a channel as the sourcefor setpoint activation.

Set the setpoint valueusing the buttons.

Set each setpoint toactivate above or belowthe setpoint value.

SP SPACTIVATION

BELOW

ABOVE


Press the button to change the Display P

Select Display

[_ _ _SELECTDISPLAY] Prog. SP1 SP2 SP4SP3 SP5 SP6Prog. SP1 SP2 SP4SP3 SP5 SP6

Calibration Mode Zero OptionsNULLThe NULLposition allows the user to adjust the LVDT coreuntil theLVDToutput is zero. The sensormust bebrought toNULLpositionbeforecalibrating.Thecontrollerhasbeenprogrammedwitha and function thatoperatesontheselectedprimarydisplayreadingonly.Thefunctionisusedtozerothedisplay.Displayzeroisinitiatedfroma remoteswitch (not supplied) connectedacross the andpinsattherearofthecontroller(Terminal2:Pin4Common,Pin2Hold).The function isusedtorestore the truecalibratedvalueonthe

display. Reset display value is initiated from a remote switchconnected across the and pins at the rear of the controller(Terminal2:Pin4Common,Pin1Lock).Thedisplayzerovalueandresetdisplayvaluearenotretainedduringapoweroutage.Thedisplayzeroandresetdisplayvaluefunctionsareoftenusedforcut,measure,andtrimapplications.



Example

ToStep

7

From Step 6

Press1

Step 1Enter theConfigurationMenus


Operational Display

Pressfor 4 secs



Press3

[_ _ _ INPUT SETUP]

Step 2Display scrolls

Press the buttonthree times to skip the Calibration and Display Select modes enter theAnalog Outputmode

P


Prog. SP1 SP2 SP4SP3 SP5 SP6[_ _ _ SELECTANALOG OUTPUT]


Press the buttononce to enterAnalog Output 1or twice to enterAnalog Output 2

Step 4Confirm Analog Output Selection.


Press1

Example



Step 5

Adjust the display to 50counts for the low analogoutput scale setting

[_ _ _ SET ZERO VALUE]Display scrolls

OR

Step 6Accept the newlow value



Adjust the display to 30,000counts for the high analogoutput scale setting

[_ _ _ SET FULL SCALE VALUE]


OR

Step 8Accept the newhigh value



OR

Step 10Accept the newdata sourcesetting.


Example

Press1

Step 9

[_ _ _ SET DATA SOURCE]Display scrolls

Press the buttononce to select Channel 1or twice to selectChannel 2


Example

Press1

Step 11

[_ _ _ CALIBRATE OUTPUT]Display scrolls

Press the buttonto skip Output Calibrationand return to Step 3.Press the buttontwice to return to theOperational Display

P



Press1

P


OR

The calibration of theAnalog Output is continued on page 8

AnalogOutputScalingandCalibrationExampleInthisexampletheanalogoutputsignalisscaledoverarangeof50to30,000counts.Theanalogoutputisthencalibratedfora0to10VDCoutput.

1)Connect amultimeter to the analog output connector at therearofthemeter(Terminal4:Pin3positive,Pin2negative).

2)Makesurethemultimeterissettoreadtheappropriatesignaltype:voltsormilliamps.

3)Carryouttheanalogoutputscalingproceduretosetzeroandfullscalesettings.

4) Ifrequired,carryouttheanalogoutputcalibrationproceduretocalibratethemilliamp(orvoltage)outputlowandhighsettings.

Note:In Steps 11 to 19, the analog output may be calibrated to other ranges such as 0-20 mA or 4-20 mA. For current output the header on the analog output module has to be moved to the CURRENT position.

See the drawing on Page 8 on how to change the analog output from voltage (default) to a current output.

Scaling the Analog Output Signal

START HERE

Scaling of the Analog Output Signal is now complete









OR



DO NOT CHANGETHIS SETTING.




XPress

at sametime

Pressat same

time

ToStep17

Step 17

X

OR

Press1

Ensure the high analog output signal reading [CAL_HI] onthe multimeter display is10.00 V DC.

MULTIMETER

V

V

mV

mAA

OFF

µA

COM V mA µAA

PEAK MIN MAX

MIN MAX RANGE HOLD

HzREL

–+

MULTIMETER

V

V

mV

mAA

OFF

µA

COM V mA µAA

PEAK MIN MAX

MIN MAX RANGE HOLD

HzREL

–+

Pin 3+Pin 2–TERMINAL 4

Pin 3+Pin 2–

TERMINAL 4

[___PRESS P AND UP]


Press and buttons at thesame time

P

XStep 13Press to enter theCalibration menu

P

Pressat same

time

Pressat same

time

Step 18Press buttonto leave the CALmenu

Press and buttons atthe same time to return tothe operational display

P

P

Step 14With DMC-A2 Series connectedto a multimeter, DMC-A2 Seriesdisplays [CAL] [151]. Thisis the setting for analogoutput 1 ([CAL] [152] foranalog output 2).

Press to start thecalibration procedure

P

Press1

Step 19

Ensure the low analog output signal reading [CAL_LO] on the multimeter display is 0.00 V DC.

If not correct, press the or button on DMC-A2 Series untilthe reading on the multi meter display is correct.

Step 15

Step 16Press to save the low analog output signal setting. Enter analog output high

X

Example

MULTIMETER

V

V

mV

mAA

OFF

µA

COM V mA µAA

PEAK MIN MAX

MIN MAX RANGE HOLD

HzREL

–+

MULTIMETER

V

V

mV

mAA

OFF

µA

COM V mA µAA

PEAK MIN MAX

MIN MAX RANGE HOLD

HzREL

–+

Press1

Pin 3+Pin 2–

TERMINAL 4

Pin 3+Pin 2–

TERMINAL 4



Press1

From Step 16

If not 10.00 V DC, press the OR button on DMC-A2 Series until the reading on the multimeter display is correct.


Operational Display

P

Analog Output Module PCBCurrentorVoltageSelectionHeader

CURRENTPosition

VOLTAGEPosition

AvailableinSingle(0~4-20mAor0-10V)orDual(0-10V&0-10V)

Tochangetheanalogoutputfromvoltagetocurrentoutput,removethePCBfromthecase.IdentifytheAnalogOutputmodulewhichissolderedontothetopcarrierboard.MovetheV/Iselectionheaderontheanalogoutputmodulefromthevoltageposition(default)tothecurrentposition.


+ SIGNAL 1

— EXC+ EXC

SHIELD

CONTROL 2CONTROL 1

GND

+ 24 V RELAY

ISOLATEDEXTERNALCONTROL

— SIGNAL 1

+ SIGNAL 2 — SIGNAL 2

LVDT 2

LVDT 1

+ 24 V

34

�IN 1

�IN 2

�IN 3

�IN 4

�IN 5

�IN �

�IN �

�IN �

�IN �

�IN 1�

�IN 11

ISOLATEDEXTERNALCONTROL

+ 24 V RELAY

Figure3–ExampleConnectionConfiguredforDualLVDTInputsandTwoRelayOutputs

Configured for dual input LVDTs.

Fast setpoint control outputs activate two +24 V relay coils (SP5 and SP6).

Figure2–ISL1LVDTFunctionalSchematic

HIGH SPEEDSETPOINTOUTPUTS

LVDT 2

LVDT 1

— 5 VGND

GND

+ 5 V

+ 24 V

+ SIGNAL 1

—SIGNAL 1

+ SIGNAL 2

—SIGNAL 2

SHIELD

3 V RMS

+ EXC

— EXC

CONTROL 1

CONTROL 2

+24V

SynchronousDemodulator

500 HzLPF

500 HzLPF

CH1

CH2

PCB 345

InterfaceI2C Bus16 Programmable

Excitation Frequencies

Dualhannel

1tTD

crocontroller

udoSne aeenerator

SP5

SP6

Technical DescriptionThisinputisasmartinputmoduledesignedtodriveandconditionthesignalsfromtwoLVDT transducers.Themodule containstwo high-speed microcontrollers and aSD 16-bit dual channel A/D convertor.It communicates with the selectedcontrollerviatheI2Cdatabus.OneofthemicrocontrollersgeneratesthesinewavefortheLVDTexcitationfrequency.Thesefrequencies are produced as multiplesof the line frequency(either50Hzor60Hz). Up to 16 frequencies are availableand are selected using the controllersetup. The output to the primary coil ofbothLVDTsisa3VRMSsinewave.ThereceivedLVDTsignalsaresynchronouslydemodulated and filtered to removethe carrier frequency. The Σ Δ 16-bitA/D convertor has over 130 dB noiserejectionattheexcitationfrequenciesandis capable of 40Hzaveragedoutput on45samples.Two open collector NPN transistorsare available as high-speed controlledoutputs. The controller setpoint SP5controls output CONTROL 1 and SP6andcontrolsoutputCONTROL2.

Table1: ISL111-pinI/OConnectorPin Description Function123456789

1011

+Signal 1–Signal1–EXC+EXC+Signal2–Signal2+24VControl 1Control 1GroundShield

LVDT1inputsignal+LVDT1inputsignal–DualLVDTexcitationsinewave(1-11kHz).

LVDT2inputsignal+LVDT2inputsignal–Excitationvoltage+24V,150mA.OpencollectorNPNsetpointoutput(600mA).OpencollectorNPNsetpointoutput(600mA).0V.Cableshield,3Vcommonmode.

Input Signal Setup Procedures

ExampleConnectionDiagram


14 158 9 10 11

Input Module

12

Output Module

Function Pins

LOCK HOLD TEST COM CAPTURE

TERMINAL 1

TERMINAL 6

1

TERMINAL 2

TERMINAL 4

TERMINAL 5

POWER

2 3 4 5 6 7 8 9 10 11

32 31 30 29 28 27 26 25 17 16

22 21 2023

18

Dual AnalogOutput ONLY

1924Serial Output

Analog Output

Connector PinoutsLVDT-200Seriesuseplug-in type screw terminal connectorsfor most input and output connections, an RJ-11 phoneconnector for theRS-232 serial output and anRJ-45 phoneconnectorfortheoptionalEthernetoutput.

All external connections to the LVDT-200Series are via thefollowingsixconnector terminalblocks locatedat the rearofthecontroller:• Terminal1: InputSignals.• Terminal2: FunctionPins.• Power: AC/DCPowerSupply.• Terminal4: AnalogOutput.• Terminal5: SerialOutput.• Terminal6: RelayOutputorMulti-I/OModule.

WARNING: AC and DC input signals and power supply voltages can be hazardous. Do not connect live wires toscrew terminalplugs,anddonot insert, remove,orhandlescrewterminalplugswithlivewiresconnected.

Figure4–RearPanelPinoutDiagram

Pin Name DescriptionConnector

8

Input Signals

ResetDisplayValue(Lock)

TERMINAL1

TERMINAL2FunctionPins

9 DisplayZero(Hold)

ByconnectingPin5(capture) toPin4(common)witharemotespring-returnswitchmanuallyresetsthecalibratedzero.

10

ManualZero(Capture)

Pin 3 (display test and reset pin) provides a test of the controller’s display and resets themicroprocessorwhenPin3isconnectedtoPin4.

11

DisplayTestandReset

Toactivatethehold,test andreset,orlockpinsfromtherearofthecontroller,therespectivepinshavetobeconnectedtothecommonpin.

12

Common

14 ACNeutral/DC–POWERAuto Sensing AC/DCPowerSupply

Thepower connector suppliesAC /DCpower to thecontroller viaastandardhighvoltageoroptionallowvoltageauto-sensingpowersupplymountedonthemainboard.PS1: StandardHighVoltageoption.85-265VAC/95-370VDC.PS2: OptionalLowVoltageoption.14-48VAC/10-72VDC.

15 ACLine/DC+

Pins1upto11

Pins8to12

Pins14and15

Forfurtherdetailsonthefunctionpins,contactTexmate.

1 +Signal12 –Signal13

+Signal24

–Excitation

5+Excitation

6

Control17

–Signal2

8+24V

+ SIGNAL 1

— EXC+ EXC

SHIELD

CONTROL 2CONTROL 1

GND

— SIGNAL 1

+ SIGNAL 2 — SIGNAL 2

+ 24 V

345

PIN 1PIN 2PIN 3PIN 4PIN 5PIN 6PIN 7PIN 8PIN 9PIN 10PIN 11

Input Module ISL1

ByconnectingPin1 (lock) toPin4 (common)witha remotespring-returnswitch restores thedisplaytothetruecalibratedvalue.

By connectingPin 2 (hold) toPin 4 (common)with a remote spring-return switch zeroes thedisplay.

9

Shield10

Control2

11Ground


Pin No.

19

20

21

22

23

24

RS-232 RS-485

Reserved for future useRXD. Received Serial

TXD. Transmitted Serial

+5 VDC to power external convertersIsolated Ground

Reserved for future use

B (Low)

A (High)

+5 VDC to power external convertersIsolated Ground



18 Positive(+)

TERMINAL4Analog Outputs

PositiveforAnalogOutput2(ADV–Dual10–0–10VDCmodulesonly).

17 Negative(–) NegativeforAnalogOutput1and2.

TERMINAL5Serial Outputs

TERMINAL6Relay Outputs

TERMINAL 6 connects electromechanical andsolidstaterelays(SSRs)toexternalapplications.

Pins16to18

Pins19upto24

TERMINAL5connectstheserialoutputmoduletoexternaldevices.Thestandard carrierboardsupportsasingleordualRS-232orRS-485ASCIIorModbusserialcardconnectedthruanRJ-11socket.

Ethernet

TERMINAL4connectstheanalogoutputmoduletoexternaldevices.Asingle0~4to20mA(standard)or(optional)0to10VDCordual10–0–10VDCissupportedonthestandard,Ethernet,orDeviceNETcarrierboard.

Pin Name DescriptionConnector

Relay Module

Depending on the number of relays, standardplug-inrelayboardsuseupto8pins.

16 Positive(+) PositiveforAnalogOutput1.

Ethernet–TheEthernetcarrierboardhasthesameanalogoutputpins,with10/100Base-TEthernet(RJ-45Socket).

32 31 30 2829 27 26 25

Options

4A

Order Code

OR11OR12

- -

-

10A -

-

SP2 SP4 SP1 SP3

9A9A

7A

SP3SP1SP4SP2

32 31 30 2829 27 26 25

OptionsOrder Code

OR32OR34

- -

5A5A 5A 5A5A 5A

SP4 SP3 SP2 SP1

SP1SP2SP3SP4

32 31 30 2829 27 26 25

OptionsOrder Code

OR54 210mA210mA210mA210mASP4 SP3 SP2 SP1

SP4 SP3 SP2 SP1


Installation

Installation Guidelines

96 mm(3.78")

48 mm(1.89")

3.9 mm(0.15") typical

FRONT VIEW1/8 DIN 96x48mm

The 96x48 mm case is particularly suitable for mounting in mosaic panels or insulative panels up to 2" thick. They can also stack mount, 2 up in existing cutouts for 1/4 DIN (96x96 mm) or 4 up in 1/2 DIN (96X192 mm).

40.8 mm(1.61")

117 mm(4.61")

SIDE VIEW

5.3 mm(0.21")

3.7 mm(0.15")

43.4 mm(1.71")DIN Cutout spacers

Straight-thru Connector for meters with output board20 mm (0.79")

Right-angled Connector 11.8 mm (0.47")

PANEL CUTOUTCase will mount in standard 1/8 DIN coutouts

45 mm(1.77")

Snug Fitting

Mosaic Fitting

92 mm(3.62")

Loose Fitting

91.6 mm(3.6")

40.8 mm(1.61")

8 places

3 12")

8 places

4 mm(0.16")

43.4 mm(1.71")

1/8 DIN Cutout spacers

87.4 mm(3.45")

Panel adaptor plates are available to retrofit most existing panel cutouts.

For additional strength, extra Mounting Slide Clips can be ordered and doubled up one behind the other. P/N: (75-DMTCLIPF)

TOP VIEW

87.4 mm(3.45")mosaic fitting

95.4 mm(3.77")

Max. panel thickness50mm (1.97")

96 mm(3.78")

91.6 mm (3.6") DIN Cutout Spacer

To open rear cover, use a small flat blade screw driver. Press down lightly to release catch on top or bottom of case and lever outwards.

4.7 mm (0.19")

DIN Cutout Spacer

2 mm (0.08")Connector Socket

Prog. SP1SP1 SP2 SP4SP3 SP5 SP6

Prog. SP1SP1 SP2 SP4SP3 SP5 SP6


96x48 SG100.eps

STEP A Prepare the Panel

1) Cutaholeinthepaneltosuitthepanelcutout.Seepanelcutoutsizesabove.

STEP B Install the Meter

1) Removebothmountingclipsfromthemeter.

2) Pushthemeterintothepanelcutoutfromthefrontofthepanel.

3) Attachbothmountingclipstothemeterfromtherearofthepanelandpushthemtowardsthefrontofthepaneluntilthemeterisfirmlyheld.

STEP C Connect the Cables

1) Connectallinputandoutputsignalcablestotheconnectorpins(SeeConnector Pinoutsfordetails).

2) Connectthepowercablestotheconnectorpins(SeeConnector Pinoutsfordetails).

WARNINGACandDCpowersupplyvoltagesare hazardous. Make sure thepower supply is isolated before connectingtothemeter.

1 2 3

Installation Procedure

1

2

3

Figure5–LVDT-200-100InstallationSequence

Installation1. Install and wire meter per local applicable codes/regulations, the particular application, and goodinstallationpractices.2. Installmeter ina location thatdoesnotexceed themaximumoperatingtemperatureandthatprovidesgoodaircirculation.3. Separate input/output leads from power lines toprotect the meter from external noise. Input/outputleads should be routed as far away as possible fromcontactors,controlrelays,transformersandothernoisycomponents.Shieldingcablesforinput/outputleadsisrecommended with shield connection to earth groundnearthemeterpreferred.4.Acircuitbreakerordisconnect switch is required todisconnect power to the meter. The breaker/switchshouldbeincloseproximitytothemeterandmarkedasthedisconnectingdeviceforthemeterormetercircuit.

Thecircuitbreakerorwallswitchmustberatedfortheappliedvoltage (e.g.,120VACor240VAC)andcurrentappropriate for the electrical application (e.g., 15A or20A).5. See Case Dimensions section for panel cutoutinformation.6.SeeConnector Pinouts sectionforwiring.7. Use 28-12 AWG wiring, minimum 90˚C (HH)temperaturerating.Stripwireapproximately0.3in.(7-8mm).8.Recommendedtorqueonall terminalplugscrewsis4.5lb-in(0.51N-m).


ApplicationExamples

LVDT 1

LVDT 2

Operational Display (CH1)


1

2

CH2 View Mode


ALIGNMENTTOOLMeasuredusingtwoLVDTsensorsat90°LVDT1toCH1=ShownonDisplayLVDT2toCH2=UseViewModetoviewCH2

LVDT 1

LVDT 2Prog. SP1 SP2 SP4SP3 SP5 SP6

21

Operational Displayshowing result ofsignal 1 – signal 2

SLOPEINDEXINGMeasuredusingtwoparallelLVDTsensors(1–2)LVDT1minusLVDT2=DisplayedResult

Note:This is an advanced function and is configured in Code 1 of the main programming mode.

LVDT 1

LVDT 2

Operational Displayshowing result ofLVDT 1 + LVDT 2


1

2

THICKNESSMONITORINGMeasuredusingtwoopposedLVDTsensors(1+2)LVDT1plusLVDT2=DisplayedResult

Note:This is an advanced function and is configured in Code 1 of the main programming mode.

LVDT sensors can be applied in almost allengineering applications covering civil,mechanical, petrochemical, power generation,production, aerospace, defense, and muchmore.They can be used on production lines toautomaticallygaugeproductsforqualitycontrolandproductsorting.In the power generation and petrochemicalindustries they can be used, for example, asservopositionfeedbackonactuatedequipmentsuchasvalvesanddampers,orformeasuringturbinecasingexpansion.Submersibleunitscanbeused inmarineandoffshoreminingapplications,sensorsthatmeetmilitary environmental standards have beenappliedtodefenseandaerospaceapplications.Following are applications that show theversatilityoftheLVDT-200Seriescontroller.


Frequency Range:

Standard Display:

Excitation Frequency:

LVDT Output Rate in kHz:

Decimal Point Position:

Input SignalZero:

Span:

Analog Output Signal

CAL_LO:

CAL_HI:

Calibration

Zero:

Full Scale:

Scale Range

CH 1

A_OUT1

CH 2

CH 1 CH 2

A_OUT2

Notes


Setpoints

SP1:

SP2:

SP3:

SP4:

Source Value Activation

Notes


WARRANTYTexmatewarrantsthat itsproductsarefreefromdefectsinmaterialandworkmanshipundernormaluseandserviceforaperiodofoneyearfromdateofshipment.Texmate’sobligationsunderthiswarrantyare limitedtoreplacementorrepair,at itsoption,at itsfactory,ofanyoftheproductswhichshall,withintheapplicableperiodaftershipment,bereturnedtoTexmate’sfacility, transportation charges pre-paid, and which are, after examination, disclosed to thesatisfactionofTexmate tobe thusdefective.Thewarrantyshallnotapply toanyequipmentwhich shall have been repaired or altered, except by Texmate, or which shall have beensubjected tomisuse,negligence,oraccident. InnocaseshallTexmate’s liabilityexceedtheoriginal purchase price. The aforementioned provisions do not extend the original warrantyperiodofanyproductwhichhasbeeneitherrepairedorreplacedbyTexmate.

USER’S RESPONSIBILITYWearepleasedtooffersuggestionsontheuseofourvariousproductseitherbywayofprintedmatteror throughdirectcontactwithoursales/applicationengineeringstaff.However, sincewe have no control over the use of our products once they are shipped, NOWARRANTYWHETHEROFMERCHANTABILITY,FITNESSFORPURPOSE,OROTHERWISE ismadebeyondtherepair,replacement,orrefundofpurchasepriceatthesolediscretionofTexmate.Usersshalldeterminethesuitabilityof theproduct for the intendedapplicationbeforeusing,and the users assume all risk and liability whatsoever in connection therewith, regardlessof anyof our suggestionsor statementsas toapplicationor construction. Innoevent shallTexmate’sliability,inlaworotherwise,beinexcessofthepurchasepriceoftheproduct.Texmatecannotassumeresponsibilityforanycircuitrydescribed.Nocircuitpatentorsoftwarelicenses are implied. Texmate reserves the right to change circuitry, operating software,specifications,andpriceswithoutnoticeatanytime.

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