Watlow manual - us
Contents
1. Hot Cold System Manual Z Integral Solutions Int l QPS 1050 H C January 11 2006 Copyright 2003 2005 Integral Solutions Int l All rights reserved Integral Solutions Int l 3000 Olcott St Santa Clara CA 95054 Phone 408 653 0300 Web http www us 1isi com Fax 408 653 0309 E mail 1si us isi com While every effort has been made to verify the accuracy of the information contained in this publication this publication may contain technical and or typographical errors Please contact Integral Solutions Int to report any errors in this publication Integral Solutions Int l Contents UM L A CLIT ee RCT eee Eee EPC eer ORR ee Een rT reer eee re 3 Fale AOVCNRVICW eonia eet ase al satin ctl hinder einaleatc Oi shinatand a criesualeata ati skins 3 1 2 Step by Step Installation Procedure cccccccsccccccceseneecseeeeenesseceeesaaessessesaaaesesees 3 Zi WAGINTONONCE sorori iaa ties ndeietitienaaltaied O NEA 5 Je DOWA ar nE naan bin aucscte value N aha tees edad EN 5 Dil COMOL TEV QIN essen Bacon ees TT sah ae geval Causes 7 Sas NCPC QV QINClel Sawxvatia sistas tetas sis iateh is tase tao aeteatyca seis habe bic taeal teh ates becachiasi a nie 8 Se CONDI QC eats A Sates cence AA at cacea tlt A O O 9 Sa 21 1 O Coa RED T SORTER el a AM RR REE ee 9 Di IVIOADUS OCI ATOR oie a TEE ais haeian sues E E loiaiia nated 10 DO WIS BDOT adicears Senin E EEEE E E EN 11 Sde O aaia A T E E ne es sence easeecee 11 42. an error message will be displayed and status set to Not Connected Pressing connect button will try to establish re establish a connection with the controller If attempts to establish connection are unsuccessful check if DB 9 cable is connected at both ends DB 9 cable is used for communication between controller and the computer step e in installation procedure System will also not be able to establish connection if QPS 1050 H C is not powered up Integral Solutions Int l 3 5 Modbus Operation Modbus Operation Read Register wite Value Figure 13 Modbus Frame Register Data Number Value C A Read Write Register allows user to access registers of the controller Buttons in this frame are password protected and are only used for troubleshooting during initial system bring up It is not recommended that user change values of any register as it may alter operations of the temperature controller In fact changing values in the register will void the ISI warranty To read the value of the register enter register address in register number field and press Read Register the value will appear in Data Value field To write value to the register enter register address in register number field enter value to be written into Data Value field and press Write Register For the description of the registers and their values consult Watlow Series 96 User s Manual http www watlow com products controllers co_9
3. Ahl prai Laimai Eurer od Ses Tok a Samep Toni Gel Froli cion E Eta p S pobenieas Ea Hod Gon 2p pioioi ra Soppi iai T D Sai Tima pA m Keep Gmn F Gis On Durg Bosk l P Eim OF sier ir Tiet O Ron Al Sabad Haad WEH Ap pi oa Fani io n cen fs ec ed so m Figure 16 Quasi97 Temperature Test d Click on TempCont Transfer and set it up for testing this test will be ran by Temperature test e Click on Temperature test From the Mode drop down box or from the tabs select what kind of test needs to be run Temp Sweep Pulsed Constant or Ramping For example in the figure above sweep test is selected f Next specify the temperature for your test For example for Sweep test specify what range of temperatures need to be swept and the increment with which temperature should be incremented each time For example in the figure above sweep test is set to sweep from 10 to 50 degrees with step of 5 degrees As soon as Run Test button is pressed controller will set temperature to 10 wait until this temperature settled 14 pie Integral Solutions Int l run transfer curve test Next it will set temperature to 15 wait until settled and run transfer test again This cycle will continue until temperature reaches 50 degrees Select fail parameters if desired Also it is recommended that Bias off at the end of the Test is selected Click on Start and Run Test Software will go through the s
4. Idle Figure 9 Control Frame Used to specify what temperature Hot Cold plate needs to be Note that changing value in the text field does not set the set point temperature will not be set until ON Set Temp button is pressed Currently the working temperature range is from 5 C to 100 C Controller will not accept temperatures from outside working range On Set Temp button programs Set Point 1 register of the controller with value from Set Point C text field and waits until temperature of the Hot Cold plate reaches the value specified in Set Point C If controller is in idle mode On Set Temp will take controller out of idle mode program register and wait until Hot Cold surface reaches programmed temperature OF F Idle will put controller into idle mode Controller will not try to control temperature anymore If left for a long time in idle state temperature of Hot Cold surface will eventually reach room temperature Integral Solutions Int l 3 2 Settle Parameters Settle Parameters Temperature Difference C E Settle Time Sec z1 Lower Settling Lirit C h Turn Heater Of During AC Tests E Figure 10 Settle Parameters Frame Temperature Software uses Temperature Difference to determine 1f Difference C temperature of the H C surface has settled Settle Time Sec Software uses Settle Time to determine if temperature of the H C surface has settled Temperature is considered settled when S
5. the temperature you got on external thermometer into the prompt box and press enter 9 Controller then will set another temperature this time in the middle of the specified range there will be total of 4 test points for calibration 2 extremes and 2 in betweens and each time there will be a prompt for temperature as measured by external thermometer 12 Integral Solutions Int l 10 Once temperature is calibrated temperature displayed on the screen will be adjusted to reflect the calibration NOTE That temperature on the controller itself will not be adjusted only temperature on the computer monitor 11 Calibration factors are saved to the setup file at the time software is turned off This file is located at C Program Files Integral Solutions Int LS340 Watlow96 txt 13 Integral Solutions Int l 5 Running through Quasi97 software a Start Quasi97 software b Once Quasi97 main window opens if not already done select Add ins Selected Modules select TempApp Application by putting a check in the enable column Close menu c From the menu that opens up next select Watlow96 from the list of controllers and click OK This will add TempApp Application tests to the list of tests on the left TempApp contains two tests Temperature and TempCont Transfer web fumi iEn GLI lt Ci Program Biles inbeqral Gokrion int Tua GP gee bo gt Bile wir Sae o Calibra Add f ODeomir Heb oie Trorayerse 1 Tanta 1 k
6. 6 cfm 10 Integral Solutions Int l 3 6 Status Bar HeaterON Progress Status Connection Temperature HeaterOFF Settled Connected 20 22 E Heater ON Figure 14 Status Bar Status Displays the status of the controller can either be ramping settling settled or idle Connection Displays whether there is a connection between computer and the controller Temperature Displays temperature in degrees Celsius of the Hot Cold test surface Upon calibration this field will display calibrated temperature Power Displays whether controller is powered on using energy to HeaterON maintain specified set point or powered off monitors HeaterOFF temperatures of the test surface but does not control it acts as thermometer Displays progress during ramping and settling 3 7 Quit Quit button puts controller into idle mode temperature sensing but not controlling and closes software window 11 Integral Solutions Int l 4 Calibration Procedure for Watlow96 Temperature Controller Note This calibration assumes that software is running through Quasi97 software If calibration needs to be done in standalone mode proceed to step 6 of this procedure 1 Start Quasi97 2 Once Quasi97 main window opens select Add ins gt Selected Modules select TempApp Application by putting a check in the enable column Close menu 3 From the menu that opens up next select Watlow96 from the list of controller
7. Calibration Procedure for Watlow96 Temperature Controller 12 5 Running through Quasi97 software 0 ccc cece cece ceee scence a eseeeseneseaes 14 Integral Solutions Int l Caution Hot Cold surface can get very cold or very hot take care not to come into close contact with it 1 Installation 1 1 Overview Hot Cold system is used to vary temperature of MR heads Hot Cold system is usually used together with QST 2002 so that quast static tests can be performed while a head is subjected to different temperatures Hot Cold system consists of 3 modules QPS 1050 H C Watlow96 temperature controller and hot cold finger base assembly Watlow96 temperature controller is mounted on the front plate of QPS 1050H C Fig 5 Hot Cold finger base assembly is connected to QPS 1050 H C via a Hot Cold custom cable Fig 1 System uses air to cool down the heat sinks that are located on the Hot Cold finger base assembly Pressure line which can provide at least 20 PSI must be connected to the in inlet in the back of QPS 1050 H C Pneumatics cable from the Hot Cold finger base assembly must be connected in the out outlet in the back of QPS 1050 H C Communications between controller and computer are done through DB 9 pin cable Fig 2 which plugs in the back of QPS 1050 H C 1 2 Step by Step Installation Procedure Parts Figure 2 DB 9 Pin cable Integral Solutions Int l Figure 5 QPS 1050 H C and Watlow96 Connect B
8. et Point Temperature Difference lt Temperature H C Surface lt Set Point Temperature Difference this must be valid for Time Settle Time C Turn Heater Off Currently not used During acres fo Whenever value of set point register is changed controller tries to drive temperature of H C surface to match value of new set point Some overshoot usually occurs when set point is changed Controller uses ramping to minimize the overshoot However overshoot can not be eliminated completely temperature can still overshoot by several degrees Controller does not have a settling state after controller exits ramp mode it tries to drive temperature closer to setpoint and software is used to simulate a settling state Settling state is basically a user controlled delay Two parameters settle time and temperature difference can be used to wait before running tests until temperature stops fluctuating too much or if time is a concern and temperature accuracy is not an issue time spend in the settling state can be minimized Control over settling is left up to the user Specifying longer settling time and smaller temperature difference will although take longer time to settle but after software exits settling mode and begins running tests temperature of H C surface will be closer to the setpoint and will oscillate less because it stayed in the settling state longer On the other hand shorter settle time and larger temperature difference will force soft
9. lue pneumatics cable from Hot Cold finger base assembly to the Air Out outlet in the back of the QPS 1050 H C Fig 6 Connect pressure from outside cable to Air In inlet in the back of the QPS 1050 H C There is a pressure regulator inside QPS box it is set to 15 PSI Open Flow Control Valve Fig 4 one attached to the tooling all the way to allow maximum air flow d Connect a Hot Cold custom cable Fig 1 from the tooling to QPS 1050H C Connect the female end of DB 9 cable Fig 2 to computer s I O port and connect the other end to connector on the back of QPS 1050H C Power up QPS 1050 H C from the standard 115V AC outlet Hot Cold finger base assembly can then be mounted on a QST 2002 Integral Solutions Int l ifs H AIR OUT Ja Figure 6 QPS 1050 H C Connections 2 Maintenance 3 a Do not operate the system with air line disconnected or Flow Control valve closed this will cause system to overheat b If too much condensation develops on the Hot Cold surface wipe it off periodically c Check temperature of the Hot Cold surface once every 2 weeks if difference is too large system may need to be recalibrated See section 4 for calibration procedure d Avoid touching the Hot Cold black coated surface with fingers at high temperatures fingerprints can become permanent Software Software that controls Watlow96 can be started through Quasi 97 software or by double clicking o
10. n Watlow96 exe Executable is located in C Program Files Integral Solutions Int KLS340 Integral Solutions Int l w Watlow Temperature Controller Settle Parameters Control Temperature Difference C o5 Quit Set Print C Settle Time Sec z1 et Point C 23 Lower Settling Limit C j cae ON Set Temp OFF Idle Tom Heater Off Cung AE Tests E Calibrate Modbus Operation Register Data Calibrate From 15 Te s0 Humber Value Read Hegister fo wite value 200 E Interface Connect Connected Settled Connected 3 15C Heater ON Figure 7 Main Screen To start through Quasi97 1 Start Quasi97 2 Once Quasi97 main window opens select Add ins gt Selected Modules select TempApp Application by putting a check in the enable column Close menu 3 From the menu that opens up next select Watlow96 from the list of controllers and click OK i Additional Hardware Configuration Ut li ESD Temperature Lake Shore 340 Lake Shore 331E ff Watlow 96 Jf Ask me next time Figure 8 Watlow96 Module Selection 4 From the newly added temperature tests select Temperature test 5 On the Temperature test screen click on Temp Controller Setup button this will bring up temperature controller screen 3 1 Control Frame Set Point C ON Set Temp OFF Idle Integral Solutions Int l Control Set Point C 5 ONSet Temp OFF
11. pecified range of temperatures and run transfer curve test the one that was setup in step d at each temperature point 15
12. s and click OK see figure 7 4 From the newly added temperature tests select Temperature test 5 On the Temperature test screen click on Temp Controller Setup button this will bring up temperature controller screen w Watlow Temperature Controller i loj x r Control Quit Set Point C 24 ONSet Temp OFF Idle Calibrate Calibrate From 15 To s0 Intertace Connect Connected o Settled Connected 2315C Figure 15 Main Screen Settle Parameters Temperature Difference C E Settle Time Sec 21 Lower Settling Limit C i Tourn Heater Gt Cung Ae Tests Modbus Operation Register Data Humber Value Read Register write value H eater OM 6 In the Watlow Temperature Controller menu find calibration frame In the fields From and To specify the calibration range Note that calibration range must reflect your working temperature range 1 e if you plan to sweep from 10C to 60C during your tests when calibrating put From 5 To 65 Calibration range must also be within controllers working range 7 Click on Calibrate 8 Controller will first set temperature specified in the To field and ramp to that temperature Once temperature settles you will be prompted to input the temperature of the test surface Test surface is the surface where heads under test will rest You will need to measure temperature of the test surface using a thermometer Enter
13. ware to transition from settle state faster but temperature of H C surface still may oscillate because time spent in settling stage was not sufficient Integral Solutions Int l 3 3 Calibrate Calibrate Calibrate From hs To 2 Figure 11 Calibration Frame To calibrate the controller first enter the temperature range that tests are to be performed within Temperature values must be within controllers working range 5 C to 100 C Press Calibrate controller will then ramp to 4 different set points after settling at each set point software will prompt for the temperature of test surface Measure test surface with a temperature sensor not supplied enter that temperature into the prompt and press OK After calibration is complete temperature displayed in the software will be adjusted please note that the temperature on the screen of the controller may not match the temperature on the computer screen This is OK do not use temperature reading on Watlow screen as this temperature is uncalibrated Calibration values are saved in the setup file Watlow96 txt when software is turned off 3 4 Interface Intertace Connect IN ot Connected Figure 12 Interface Frame Interface shows status of the connection between controller and the computer It will display either connected of not connected Each time software is started there are attempts to establish the connection with the controller if it is unsuccessful
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