Rosemount Converting Existing MLT Programs to X-STREAM Enhanced PLC Format User guide

Brand: Rosemount

Model: Converting Existing MLT Programs to X-STREAM Enhanced PLC Format

Type: User guide

Rosemount Converting Existing MLT Programs to X-STREAM Enhanced PLC Format

The Rosemount X-STREAM Enhanced PLC Format is a powerful tool that can help you get the most out of your X-STREAM process gas analyzer.

Rosemount Converting Existing MLT Programs to X-STREAM Enhanced PLC Format

The Rosemount X-STREAM Enhanced PLC Format is a powerful tool that can help you get the most out of your X-STREAM process gas analyzer.

Table of Contents

Overview..................................................................1

ProgrammingtheX-STREAMXEPLC....................2

InputSignalsPool(ReadOnly)...............................3

InputSignalsPool(programmable).........................4

ControlModuleFunctions........................................4

AnalyzerModuleFunctions.....................................5

OutputSignalsPool(programmable)......................6

Action.......................................................................7

AnalyzerModuleFunctions.....................................8

ExampleofaConvertedMLTPLC

Program...................................................................9

TimerSetup........................................................11

ProgramCodeConversion.................................11

Technical Guide

51A-HAXXEE-MXPGC

July2010

Converting Existing MLT Programs to

X-STREAM XE PLC Format

Overview

Emerson'sMLTprocessgasanalyzerincludesanin-

ternalprogrammablelogiccontroller(PLC)capability

thatmuchoftheMLTinstalledbaseusesintheop-

erationoftheirMLTanalyzers.Asignicantamount

ofwork,time,andknowledgecanbeinvestedinto

theprogrammingofMLTPLCs.Convertingtheexist-

ingMLTPLCprogramsintotheX-STREAMPLC

languageissimple,andallowsuserstotakeadvan-

tageofthepowerandusabilityoftheX-STREAMXE

withoutlosingtheirsignicantinvestmentintimeand

engineeringofMLTPLCprogramming.

TheX-STREAMXEPLCispartofanoptionalsoft-

warepackageofferedwiththeX-STREAMprocess

gasanalyzer.Anunlockcodeisrequiredwiththe

purchaseoftheX-STREAMprocessgasanalyzer,

andmustbepurchasedseparately.Theunlockcode

willbeenteredintotheX-STREAMXE'spurchased

separatelyandenteredintotherelatedsectionofei-

thertheanalyzer'sLOIortheweb-browserinterface.

For more information:

www.EmersonProcess.com/RAIhome

http://twitter.com/RAIhome

Follow our blog at http://www.analyticexpert.com

X-STREAMXE

Technical Guide

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July2010

X-STREAMXE

Page2

X-STREAMXEPLCprovides:

• Upto22digitalrelayoutputs

• Upto14digitalinputs

• SupportforinternalSHS

• 8timers

• Morethan100digitaloutputfunctions

• Morethan35actions

• 9operators

• 10resultsregisters

Programming the X-STREAM XE PLC

X-STREAMXEPLCprogramsaretobeeditedas

simpletextlesonaseparatecomputer,andthen

uploadedintotheanalyzerviatheUSBportorweb

browser.Thismakesiteasiertosetup,update,and

extendaprogram,ortocorrectfailures.

Alsothelanguageisnowmorecomfortable,asitis

comparabletoothersoftwarelanguages:termsare

easytoreadandunderstand,withtheabilitytoadd

commentsandensurethattheprogramcanberead,

evenifyearshavepassedsincethelastmodica-

tion.

MLT X-STREAM XE

-1 nooperation(placeholder) -- n.a.

-2 ORcombinetheinputsignalswithfollowingID;

storetoIR

OR LogicalORofregisterand<readoperands>

-3 ANDcombinetheinputsignalswithfollowingID;

storetoIR

AND LogicalANDofregisterand<readoperands>

-4 inverttheIR NEG Negateregister

-5 set/cleartheoutputsignalwiththefollowingIDac-

cording

STO Storeregisterto<writeoperands>

-6 cleartheIR CLR SetregistertoFALSE

-7 endofprogram END Endofprogram

-8 settheIR SET SetregistertoTRUE

-9 loadIRaccordinginputsignalwithfollowingID; LOAD loadregisterwithstateof<readoperands>

-10 ifIR=True

thenIR=inputsignalwith1stfollowingID

elseIR=inputsignalwith2ndfollowingID

IF ifregister=TRUE

thenloadregisterwithstateofrst<readoper-

and>elseloadregisterwithstateofsecond<read

operand>

-11 actionscallaccordingIRbyusingfollowingIDof

actionspool

CALL ifregister=TRUEthencall<calloperand>

Structure of a Valid X-STREAM XE PLC Text File

Thesyntaxstructuretobeusedis

• linesstartingwith#arecommentlines

• commandlinesstartwithavalidcommand(see

overview)

• commandlinesmustendwitha“;”

• commentsmaybeaddedtocommandlines

afterthe“;”

X-STREAMXEtimersaresetupintherstsectionof

thetextle,followedbyallothersections,whileMLT

timersaresetupinLOIsoftwaremenus.

Converting MLT PLC to X-STREAM PLC

Inthefollowingsections,youwillndtheMLTCode

inthe1stcolumn,followedbyanexplanationinthe

2nd.The3rd&4thcolumnsshowtherelatedX-

STREAMXEsyntaxandagainexplanatorydescrip-

tions.

ToconvertanexistingMLTprogram,simplylocate

therelatedcodewithintheleftcolumnsoftheseta-

blesandwritedownthecodeoftheassociatedright

column.Anexamplelaterinthisdocument(page11)

indetailshowshowthisisdone.

Technical Guide

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July2010

X-STREAMXE

Page3

MLT X-STREAM XE

1 PLCResult1 R1 PLCResult1

2 PLCResult2 R2 PLCResult2

3 PLCResult3 R3 PLCResult3

.. ..

10 PLCResult10 R10 PLCResult10

11 PLCResult11 -- n.a.

.. ..

15 PLCResult15 -- n.a.

16 PLCMemory1 M1 PLCMemory1

17 PLCMemory2 M2 PLCMemory2

.. ..

30 PLCMemory15 M15 PLCMemory15

31 PLCTimer1Out T1 PLCTimer1Out

32 PLCTimer2Out T2 PLCTimer2Out

.. ..

38 PLCTimer8Out T8 PLCTimer8Out

39 Reserved --

40 Reserved --

41 System-DIO-Board1Input1 DI1 DigitalI/OBoard1,Input1

42 System-DIO-Board1Input2 DI2 DigitalI/OBoard1,Input2

.. ..

47 System-DIO-Board1Input7 DI7 DigitalI/OBoard1,Input7

48 System-DIO-Board1Input8 -- n.a.

49 System-DIO-Board2Input1 DI8 DigitalI/OBoard2,Input1

50 System-DIO-Board2Input2 DI9 DigitalI/OBoard2,Input2

.. ..

55 System-DIO-Board2Input7 DI14 DigitalI/OBoard2,Input7

56 System-DIO-Board2Input8 -- n.a.

57 System-Pump1 PU1 Pump1State

58 Systemp-Pump2 PU2 Pump2State

.. ..

62 Reserved -- n.a.

63 On-Signal TRU LogicalTRUEOperand

64 Off-Signal FALSE LogicalFALSEOperand

Input Signals Pool (Read Only)

Technical Guide

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X-STREAMXE

MLT X-STREAM XE

freelyassignabletoanycodefrom65to128

AnyFunctionControl S07 AnyFunctionCheck

AnyMaintenanceRequest S06 AnyMaintenanceRequest

AnyFailure S04 AnyFailure

AnyCal.inProgress S08 AnyCalibrating

AnyZeroinProgress S09 AnyZeroing

AnySpaninProgress S10 AnySpanning

AnyZeroFailed S11 AnyZeroFailed

AnySpanFailed S12 AnySpanFailed

AnyRangeLow S13 AnyRangeLow

AnyRangeHigh S14 AnyRangeHigh

AnyFlowLow

S19 AnyFlowAlarm

AnyFlowHigh

AnyConc.Low-Low

S15 AnyConcentrationAlarm

AnyConc.Low

AnyConc.High

AnyConc.High-High

SYS:Valve-1 S21 ValveV1

.. .. ..

SYS:Valve-20 S40 ValveV20

SYS:Valve-21 -- n.a.

.. ..

SYS:Valve-32 -- n.a.

Ext.Switch-1 S43 ExtAlarm1

Ext.Switch-2 S44 ExtAlarm2

.. ..

Ext.Switch-8 S50 ExtAlarm8

SystemPump1 S41 Pump1

SystemPump2 S42 Pump2

PLC-Result1 S51 PLCResult1

PLC-Result2 S52 PLCResult2

.. ..

PLC-Result10 S60 PLCResult10

PLC-Result11 -- n.a.

.. ..

PLC-Result15 -- n.a.

Input Signals Pool (programmable)

MLTPLCwithcommandcodes65...128supports

variable,programmablecommands,aslistedinthe

followingtables.

Control Module Functions

X-STREAMXEPLCdoesnotsupportsuchvariable

assigment,soprovidesxedcodesforcomparable

functions.

Page4

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X-STREAMXE

MLT X-STREAM XE

freelyassignabletoanycodefrom65to128

Functioncontrol Sx07 FunctionCheck

Maintenancerequest Sx06 MaintenanceRequest

Failure Sx04 Failure

Cal.inprogress Sx08 Calibrating

Zeroinprogress Sx09 Zeroing

Zerofailed Sx10 Spanning

Spanfailed Sx11 ZeroFailed

RangeLow Sx12 SpanFailed

RangeHigh Sx13 RangeUnderow

FlowLow Sx14 RangeOverow

FlowHigh Sx36 FlowLo

Conc.Low-Low Sx19 Conc.LoLo

Conc.Low Sx20 Conc.Lo

Conc.High Sx21 Conc.Hi

Conc.High-High Sx22 Conc.HiHi

Range1 Sx15 Range1

Range2 Sx16 Range2

Range3 Sx17 Range3

Range4 Sx18 Range4

Samplegas -- n.a.

Zerogas -- n.a.

Spangas -- n.a.

Spangas-1 -- n.a.

Spangas-2 -- n.a.

Spangas-3 -- n.a.

Spangas-4 -- n.a.

Purgegas -- n.a.

Testgas -- n.a.

Linearizergas -- n.a.

AverageLow-Low Sx23 AverageLoLo

AverageLow Sx24 AverageLo

AverageHigh Sx25 AverageHi

AverageHigh-High Sx26 AverageHiHi

FlowLow-Low Sx35 FlowLoLo

FlowLow Sx36 FlowLo

FlowHigh Sx37 FlowHi

FlowHigh-High Sx38 FlowHiHi

Temp.Low-Low Sx27 TemperatureLoLo

Temp.Low Sx28 TemperatureLo

Temp.High Sx29 TemperatureHi

Temp.High-High Sx30 TemperatureHiHi

Analyzer Module Functions

ForX-STREAM,thecodesforthesefunctionsare

channelspecic,soreplacethe'x'withinthecom-

mandcodebythenumberofthechannelofinterest,

e.g.S107givesthefunction

Technical Guide

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July2010

X-STREAMXE

MLT X-STREAM XE

1 PLCResult1 R1 PLCResult1

2 PLCResult2 R2 PLCResult2

3 PLCResult3 R3 PLCResult3

.. ..

10 PLC-Result10 R10 PLCResult10

11 PLC-Result11 -- n.a.

.. ..

15 PLCResult15 -- n.a.

16 Memory1 M1 Memory1

17 Memory2 M2 Memory2

.. ..

29 Memory14 M14 Memory14

30 Memory15 M15 Memory15

31 Timer1Input1 T1I1 Timer1Input1

32 Timer2Input1 T2I1 Timer2Input1

33 Timer3Input1 T3I1 Timer3Input1

34 Timer4Input1 T4I1 Timer4Input1

35 Timer5Input1 T5I1 Timer5Input1

36 Timer6Input1 T6I1 Timer6Input1

37 Timer7Input1 T7I1 Timer7Input1

38 Timer8Input1 T8I1 Timer8Input1

39 Reserved -- n.a.

40 Reserved -- n.a.

41 Timer1Input2 T1I2 Timer1Input2

42 Timer2Input2 T2I2 Timer2Input2

43 Timer3Input2 T3I2 Timer3Input2

44 Timer4Input2 T4I2 Timer4Input2

45 Timer5Input2 T5I2 Timer5Input2

46 Timer6Input2 T6I2 Timer6Input2

47 Timer7Input2 T7I2 Timer7Input2

48 Timer8Input2 T8I2 Timer8Input2

49 Reserved -- n.a.

.. ..

56 Reserved -- n.a.

57 System-Pump1 A14 Pump1 DifferingfromtheMLT,theXErequires

aCALLfunctionforthesesignals.

58 System-Pump2 A15 Pump2

59 Reserved -- n.a.

.. ..

70 Reserved -- n.a.

Output Signals Pool (programmable)

Page6

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X-STREAMXE

MLT X-STREAM XE

noseparatecode

SYS:Zero-Cal A02 ZeroAll

SYS:Zero/Span-Cal A04 Zero&Spanall

SYS:Program-Cal A06 ProgramSequence

SYS:Cancel-Cal A05 CancelAll

SYS:CAL-Test-Mode A08 CalCheckMod

Externalfunctioncontrol A13 FctCheck

AM:HoldOutputs -- n.a.

Externalfailure A10 Failure

Externalmaintenance A12 MaintRequ

Action

Control Module Actions

Page7

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X-STREAMXE

MLT X-STREAM XE

noseparatecode

AK-Error#8 -- n.a.

AM:Range-1 Ax06 Range1

AM:Range-2 Ax07 Range2

AM:Range-3 Ax08 Range3

AM:Range-4 Ax09 Range4

AM:Span-Cal Ax03 SpanCalibration

AM:Zero-Cal Ax02 ZeroCalibration

AllZero+SpanCal -- n.a.

Allpurgegas -- n.a.

Allsamplegas -- n.a.

Allspangas -- n.a.

Allzerogas -- n.a.

ExtStatus1 -- n.a.

.. ..

ExtStatus5 -- n.a.

FunctionControl Ax13 FctCheck

HoldAnalogOutput -- n.a.

ResetMaxMeas -- n.a.

ResetMinMeas -- n.a.

SYS:AM-Span-Gas1 Ax16

SYS:AM-Span-Gas2 Ax17

SYS:AM-Span-Gas3 Ax18

SYS:AM-Span-Gas4 Ax19

SYS:AM-Zero-Gas Ax15

SYS:AM-closed-valves Ax20

SYS-Blowback Ax21

Spangas-1 -- n.a.

Spangas-2 -- n.a.

Spangas-3 -- n.a.

Spangas-4 -- n.a.

Analyzer Module Functions

ForX-STREAMthecodesforthesefunctionsare

channelspecic,soreplacethe'x'withinthecom-

mandcodebythenumberofthechannelofinterest,

e.g.S107givesthefunctioncheckstatusforchannel

Page8

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X-STREAMXE

Example of a Converted MLT PLC

Program

Brief description of the application:

Threesamplegaslinesaresequentiallyconnected

toagasanalyzerssamplegasinlet,whilethe

samplegasvalveoftheanalyzer'sinternalvalve

blockisopen.

(Foramoredetailleddescription,andhowtond

therightlogicdiagrams,seeTechnicalGuide51A-

HASXEE-PPG)

Preparation:

Theprogramisestablishedonthefollowingspeci-

cations(seeFigure1):

MLT

Samplegasvalve=V1:

Input-ID65=ControlModule:Sys.-Valve1

X-STREAM XE

Internalsamplegasvalve=V3(factorydefaultset-

ting)

Both

PLCResult1=Stream1valvecontrolsignal

PLCResult2=Stream2valvecontrolsignal

PLCResult3=Stream3valvecontrolsignal

Streamswitchingisactivewhilethesamplevalveis

open

Twotimersareusedtocontroltheprocedure:

Firsttimerisoftype'RepeatedPulse",

Secondtimerisoftype'Off-Delay"

Durationis60s

Periodis180s(3x60s)

Samplegasvalveandtimersignalsareconnected

asshown(Figure3):

Thesearethelogicdiagramsforthethreestreams

(Figure4):

Figure1

Figure2

Figure3

Figure4

Page9

Technical Guide

51A-HAXXEE-MXPGC

July2010

X-STREAMXE

Timer Setup

MLTrequirestosetuptimersinseparatesoftware

menus,butnotinthePLCprogram.

Enter

SYSTEMCONFIGURATIONANDDIAGNOSTICS...

SYSTEMPROGRAMMABLELOGICCONTROL(PLC)...

TIMERS..

tosetupthetimers:

X-STREAMPLCtimersareconguredwithinthe

PLCprogram:

Page10

Technical Guide

51A-HAXXEE-MXPGC

July2010

X-STREAMXE

MLT X-STREAM XE

-9 LOAD

Load S23;

LoadthestateofvalveV3intoregister

65 Control-ModuleSYS:Valve-1(=Input-Signal65)

-5 STOREto

STO T1I1;

AssigntheregisterstateasInput(trigger)for

Timer1

31 Timer1-Input1(=Output-Signal31)

-9 LOAD

LOAD T1;

LoadthestateofTimer1outputintoregister

31 Timer1-Input1(=Output-Signal31)

-5 STOREto

STO T2I1;

AssigntheregisterstateasInput(trigger)for

Timer2

32 Timer2-Input1(=Output-Signal32)

-1 placeholder

placeholdersnotrequired

-1 placeholder

placeholdersnotrequired

-9 LOAD

Load S23;

LoadthestateofvalveV3intoregister

65 Control-ModuleSYS:Valve-1(=Input-Signal65)

-3 AND

AND T1,

T2;

ANDconjuctitwithbothTimersoutputs

31 Timer1-Output

32 Timer2-Output

-5 STOREto

STO R1;

StoretheANDgateoutputintoPLCResult1

1 PLC-Result1(=Output-Signal1)=>Stream1

-1 placeholder

placeholdersnotrequired

-1 placeholder

placeholdersnotrequired

-9 LOAD

LOAD T1;

LoadthestateofTimer1outpoutintotheregister

31 Timer1-Output

-4 INVERT

NEG;

Negateregister

-3 AND

AND S23,

T2;

ANDconjunctitwithvalveV3stateandTimer2

output

65 Control-ModuleSYS:Valve-1

32 Timer2-Output

-5 STOREto

STO R2;

StoretheANDgateoutputintothePLCResult2

2 PLC-Result2(=Output-Signal2)=>Stream2

-1 placeholder

placeholdersnotrequired

-1 placeholder

placeholdersnotrequired

-9 LOAD

LOAD T1;

LoadthestateofTimer1outpoutintoregister

31 Timer1-Output

-2 OR

OR T2;

ORconjunctTimer2outputwithregister

32 Timer2-Output

-4 INVERT(build:notTimer1-Outputandnot

Timer2-Output)

NEG;

Negateregister

-3 AND

AND S23;

ANDconjunctthestateofvalveV3withregister

65 Control-ModuleSYS:Valve-1

-5 STOREto

STO R3;

StoretheANDgateoutputintoPLCResult3

-7 Endofprogram

END;

Endofprogram

Program Code Conversion

Thefollowingtable'srsttwocolumnsshowtheMLT

PLCprogramcode,whilethe3rdand4thcolumns

showhowthisisdonewithX-STREAMXEcode.

Page11

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