Mts TestLine Manual de usuario Pagina 1

MTS TestLine Test System OperationUsing MTS FlexTest Controller Software and MTS TestSuiteTesting Software100-275-890 A be certain.

• Record the name of the person who helped you.• Write down any specific instructions.After you callMTS logs and tracks all calls to ensure that you r

9. Turn off the Function Generator.Click the Program Stop button to turn off the Function Generator.Check and Reset Meter HistoryCheck meter history a

Note: Acceptable limits are dependent on the specimen you are using for the test. For detailedinformation, consult your lab experts or a materials han

For this example choose limits from -0.6 kN to 1.0 kN.a) If necessary, click the Station Setup button.b) Select Channels > Ch1 > Force > Chan

2. Minimize the Station Manager application by clicking the Minimize button in the upper right corner.3. Verify that the Station Manager application i

Select All Programs > MTS TestSuite > Multipurpose Express.2. Alternatively, you can open the MPX application by clicking on a desktop icon.The

Select the TestFrom the TestSuite main window, select Tests > Example HCF Force Test to load the test.If Necessary, Correct Any Resource Errors1. F

In this example, MPX had the axial channel named "Axial" while the controller had the axial channelnamed "Ch 1." By changing the M

3. Enter the test parameters as shown in the following window.4. Review the status information.Review the status information that appears. If necessar

Run the Test1. Run the test.a) If necessary, click the Reset button to reset the interlock.b) Ensure that both the HPU and HSM are on high power.c) Cl

Generate a Report1. From the MPX application Explorer panel, select Example HCF Force Test > Test Runs > Test Run8, and then right-click and sel

PrefaceBefore You BeginSafety first!Before you use your MTS product or system, read and understand the safety information provided withyour system. Im

Save the Test and Minimize MPXThe Station Manager application is used to remove the specimen, so the test can be saved and the MPXapplication minimize

Click the Minimize button in the upper right corner of the MPX application.Remove the Specimen1. Turn off the HSM.Set HSM power to low, and then to of

3. Loosen the specimen angle bracket from the test bed fastener.4. Remove the angle bracket from the specimen fasteners.112 | MTS TestLine Test System

5. Remove the specimen from the load cell.If Necessary, Recover from a TrippedDisplacement LimitIf a displacement limit is exceeded, use the following

a) In the Station Manager application main window, click the Manual Command button.b) Ensure that Exclusive Control is checked.c) In the Manual Comman

b) Check the current upper and lower limit settings to identify the acceptable range for the actuator.Adjust the limits if incorrect. If correct, cont

In the Station Manager application main window, click the Manual Command button. Move the actuatorto within acceptable limits while the interlock is o

MaintenanceTopics:•Routine Maintenance Overview Checklist...118•Ma

Routine Maintenance Overview ChecklistRecommended service to be performed at each running time interval notedAnnuallyBiweeklyWeeklyDailyCalendar Time

AnnuallyBiweeklyWeeklyDailyCalendar Time using 8 hour RunningTime rate per day2,0001,500100050080408Running Time-HoursMTSMTSMTSMTSCheck that manifold

Warning:Warning notices indicate the presence of a hazard with a medium level of risk which, if ignored,can result in death, severe personal injury, o

AnnuallyBiweeklyWeeklyDailyCalendar Time using 8 hour RunningTime rate per day2,0001,500100050080408Running Time-HoursMTSMTSMTSMTSCheck response to fu

When to Do ItWhat to DoAfter the valve balancing procedure (electricalcompensation) has been completed and the resultsare judged unsatisfactory.Perfor

DecommissioningTopics:•Decommission the System...

Decommission the SystemThe decommissioning process is performed when the system is going to be moved or taken out of service.Disassembly is required w

• When removing the hydraulic components, ensure that you have drain pans and towels availablethat are sufficient to handle the drain volume of the it

Index793 software, See MTS FlexTest (Series 793) controllersoftwareAactionsdetector 46actuatorhydraulic lines 56maintaining 118positioning 76signal li

force sensor (load cell) (continued)calibration verification 54formproblem submittal 10function generator 32Function Generatorrunning 69, 95turning of

Ooverviewtesting 50PP gaincorrect 73, 99excessive 72, 98insufficient 71, 97P Gainadjusting 69, 95parameter setidentifying 53parameter sets 41parameter

Electronic manual conventionsThis manual is available as an electronic document in the Portable Document File (PDF) format. It can beviewed on any com

test (continued)selectingMTS Multipurpose (MP) Express application 105status information 107test parameters 35test procedure files 42testing overview

MTS Systems Corporation14000 Technology DriveEden Prairie, Minnesota 55344-2290 USAToll Free Phone: 800-328-2255(within U.S. or Canada)Phone:952-937-4

SafetyTopics:•General Safety Practices...

General Safety PracticesIf you have system related responsibilities (that is, if you are an operator, service engineer, or maintenanceperson), you sho

Read all manualsStudy the contents of this manual and the other manuals provided with your system before attempting toperform any system function for

Know electrical hazardsWhen the system electrical power is turned on, minimize the potential for electrical shock hazards. Wearclothing and use tools

• Wear appropriate safety devices to protect your hearing. Escaping air or gas can create a noise levelthat can damage your hearing.• Ensure that all

©2014 MTS Systems Corporation. All rights reserved.Original Instructions (English): 100-275-890 A—May 2014—MTS TestSuite Multipurpose 2.6 or later / 7

(see the System Documentation CD). Particles present in the hydraulic fluid can cause erratic or poorsystem response.Protect accumulators from moving

Safety Practices While Operating the SystemWear appropriate personal protectionWear eye protection when you work with high-pressure hydraulic fluid, h

Do not disturb sensorsDo not bump, wiggle, adjust, disconnect, or otherwise disturb a sensor (such as an accelerometer orextensometer) or its connecti

System IntroductionTopics:•About This Manual...

About This ManualThis manual is for operators of MTS TestLine systems. It describes the following for a typical MTS TestLinesystem:• Primary component

System OverviewStation ComponentsDescriptionNameItemThe high pressure hand valve allows you to controlpressure to the HSM. Ensure that the hand valve

DescriptionNameItemHSM contains the ports to provide hydraulicfiltration, the use of accumulators, and hydraulicsolenoid valves to control the hydraul

DescriptionNameItemThe controller provides the necessary interfacebetween the PC and the load frame.Controller7The remote E-stop quickly turns off the

• Moving the actuator (for specimen installation)• Using the function generator• Setting tuning parametersThe Station Manager application windows asso

Setting LimitsSetting limits helps prevent specimen damage and injury. You can set limits using the Limits tab in theStation Setup window.MTS TestLine

Table of ContentsTechnical SupportHow to Get Technical Support...

Setting Up MetersMeters allow you to monitor displacement and forces. Using the following windows, you can set up multiplemeters and arrange them to y

Moving the ActuatorDuring setup, you must move the actuator so that you can clamp the specimen in the grip. The ManualCommand window allows you to mov

Using the Function GeneratorThe function generator allows you to input a signal to the specimen so that you can monitor the feedback.This is necessary

Setting Tuning ParametersTuning parameters are found in the Station Setup window. You can enter tuning parameters on theAdjustments tab.MTS TestSuite

Correcting Resource ErrorsDepending on your station configuration, the resources in the test may not match the resources for thestation. Resource erro

Setting Test ParametersOnce the test is selected, MTS TestSuite MPX provides you an opportunity to set test parameters via theSetup Variables window.R

36 | MTS TestLine Test System OperationSystem Introduction

Key ConceptsTopics:•About This Chapter...

About This ChapterThis chapter, as well as the information in the Safety chapter, contains information you should know beforeyou attempt to run tests

• Offsetting the weight of fixtures so those values do not appear in test data• Adjusting gain to optimize system responseMTS TestSuite Test Software

Station Equipment Checkup...50Turn on the Contr

Switching Between Station Manager and MPX When Running TestsDescriptionItemStation Manager Main Window1Task Bar2Set Up Tests Using the Station Manager

Station File TypesDescriptionFile TypeA FlexTest project is a collection of files related to the station configuration.When you open a configuration,

DescriptionFile TypeTest Template files are command files created with Multipurpose Elite forperforming tests on Station Configurations. Test Template

How MTS Files Work TogetherThe basic workflow is as follows:• You use the Station Manager application to open a Station Configuration.• You select a P

Closed Loop Control Step-by-StepThe following closed-loop diagram illustrates how the system operates when you use the Manual Controlpanel in the Stat

Understanding Control Channels and ControlModesControl ChannelControl channels command actuator movement by providing a valve driver signal to the ser

Sensor LimitsOne type of detector is a limit detector for sensor input signals. Each sensor can have a high and a lowlimit which you can enable separa

Why Tuning Is BeneficialTuning optimizes system response by adjusting the system so that its servoloop responds accurately toits command signal. When

Running the Example HCF TestTopics:•About This Chapter...

DecommissioningDecommission the System...1245Ta

About This ChapterThis chapter describes how to set up and run the Example HCF Test using a typical MTS TestLine system.Adapting This Chapter to Your

The controller power switch is located on the back of the controller.Open the Station Manager Application1. Close any open applications on the compute

3. If necessary, select a project.It is common practice to keep all files in Project1. If you find this acceptable, at the Select Projectwindow, selec

Parameter sets are found in the lower left corner of the Open Station window. For this example HCFtest, select the HardSpecimenTuning parameter set an

a) Select Station Setup button> Channels > Ch1 (or other depending on your configuration) >Displacement > Channel Input Signals button >

Verify That the System Is Ready for UseBefore operation, take a moment to familiarize yourself with the system while verifying that all componentsare

4. Verify that the actuator hydraulic pressure (P), return (R), and drain (D) lines are connected.5. Verify that the actuator force sensor (FS), servo

Set Initial Limit and Error DetectorsYou can reduce the chances of equipment damage or injury by setting limit and error detectors.Warning:Setting lim

a) Select Station Setup button > Channels > Ch1 > Displacement > Channel Input Signals Button> Limits tab.b) Set the Upper Limit to 25

a) Select Station Setup button > Channels > Ch1 > Force > Channel Input Signals Button > Limitstab.b) Set the Upper Limit to .05 kN.c)

6Table of Contents

These error detector limits will be used throughout setup, tuning, and testing.a) Click the Detectors button in the Station Manager main window.b) Sel

a) Open the Tuning: Ch1 Displacement window by selecting Station Setup button> Channels >Ch1 (or other depending on your configuration) > Dis

a) Similarly, open the Tuning: Ch1 Force tab by selecting Station Setup button > Channels > Ch1(or other depending on your configuration) > F

Leave the Operator Type selection set to Tuning because you will do more tuning once the specimenis installed.Power Up the Pump and HSMHPU setups vary

a) Select the Exclusive Control check box.b) For the HPU, click the Power Low, and then Power High buttons.c) For the HSM, click Power Low only.Verify

a) In the Station Manager main window, click the Manual Command button.b) Select the following:1. Channel — Ch1 (or other depending on your configurat

3. Verify polarity.a) Move the actuator about 10 mm in the positive direction. The actuator should extend.Note: If a displacement limit trips, see If

2. Set up a force waveform using the Function Generator.This introduces a force waveform to the specimen.a) In the Station Manager main window, click

Set up a Scope to compare the command signal to the resulting feedback. Enlarge the scope ifnecessary, and then set up the scope as follows:Y1 paramet

6. Run the Function Generator.Click the Program Run button to apply the force waveform to the specimen. If necessary, clear anyinterlock conditions.7.

Technical SupportHow to Get Technical SupportStart with your manualsThe manuals supplied by MTS provide most of the information you need to use and ma

b) If P gain is insufficient, as shown, gradually increase P gain until the scope looks like that in step d.70 | MTS TestLine Test System OperationRun

Insufficient P Gainc) If P gain is excessive and goes unstable, as shown, decrease your P gain by 20%.MTS TestLine Test System Operation | 71Running t

Excessive P Gaind) Adjust P gain until your scope looks similar to the illustration below.72 | MTS TestLine Test System OperationRunning the Example H

Correct P GainNote: The scope display shows how well the feedback signal is following the commandsignal. You should strive for a good match to the &qu

9. Turn off the Function Generator.Click the Program Stop button to turn off the Function Generator.Position the Actuator Using Displacement ControlIn

Set the displacement limits to +40 mm and -40 mm so that you can achieve full extension and retraction.2. Use manual command to find the actuator trav

Retract the actuator fully, and then measure the length of the actuator so that you can later determinewhere to set your limit detectors.3. Position t

Set HSM power to low, and then to off. If needed for other stations, the HPU can be left on.2. As an added precaution, set the handvalve (1) to off.MT

Install the SpecimenSet Up Meters for Specimen Installation1. Click the meters button in the Station Manager application.2. If more than one meter app

A running max/min meter provides the history of sensor extremes that the meter has read since it waslast reset.4. Set up a Running Max/Min Force Meter

When you have more than one MTS system, the system job number identifies your system. You can findyour job number in your order paperwork.Example syst

Use the following parameters:• Meter Type — Timed• Channel — Ch1 (or other depending on your configuration)• Signal — Force• Engineering Units — kNZer

a) If necessary, click the Station Setup button.b) Select Channels > Ch1 > Force > Channel Input Signals button > Offset/Zero tab.c) Click

3. Connect the specimen to the load cell.4. Connect the angle bracket to the specimen.82 | MTS TestLine Test System OperationRunning the Example HCF T

5. Make sure that the system is properly aligned, and then tighten the specimen angle bracket to the testbed.6. Tighten the actuator angle bracket to

Prepare To Run TestSet Limits for TuningDuring tuning, it is possible for the system to go unstable. Setting limits just outside expected values fortu

Because the specimen is fixed solidly in place, you can set narrow displacement limits that will trip ifanything breaks.a) Click the Station Setup but

The expected force range for tuning is 0.1 kN to 0.5 kN. However, the specimen is currently at zeroForce so that must be accommodated. For this exampl

Click the Reset button. If the interlock will not reset, there is likely an interlock condition that has notbeen corrected.3. Open the handvalve (1).4

a) Select the Exclusive Control check box.b) For the HPU and HSM, click the Power Low, and then Power High buttons.Check for Force Control Drift Aroun

a) Y1 parameters:• Channel — Ch1 (or other depending on your configuration)• Signal — Command• Unit — kN• Units/div — 0.2000• Offset — 0.0000b) Y2 par

— Messaging applicationsIf You Contact MTS by PhoneA Call Center agent registers your call before connecting you with a technical support specialist.

This example was not stable enough with the initial cold settings. As a result, the scope showed forcedecreasing to -0.6 kN which eventually tripped t

For this example, P gain was increased in increments of 1 until the drift around zero was corrected witha P gain of 4. I gain was then set to 25% of t

As you can see in the preceding illustration, the system is performing much better with the P gain setto 4.Note: Every system is different and require

This introduces a force waveform to the specimen.a) In the Station Manager main window, click the Function Generator button.b) Set up a force waveform

Set up a Scope to compare the command signal to the resulting feedback. Enlarge the scope ifnecessary, and then set up the scope as follows:Y1 paramet

6. Run the Function Generator.Click the Program Run button to apply the force waveform to the specimen. If necessary, clear anyinterlock conditions.7.

b) If P gain is insufficient, as shown, gradually increase P gain until the scope looks like that in step d.96 | MTS TestLine Test System OperationRun

Insufficient P Gainc) If P gain is excessive and goes unstable, as shown, decrease your P gain by 20%.MTS TestLine Test System Operation | 97Running t

Excessive P Gaind) Adjust P gain until your scope looks similar to the illustration below.98 | MTS TestLine Test System OperationRunning the Example H

Correct P GainNote: The scope display shows how well the feedback signal is following the commandsignal. You should strive for a good match to the &qu