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Datasheet - Laird Technologies

1. Base Runtime Alarm Fan Sensor Regulator C 9 5726540 e 008 C 9 37265341le 008 C 4 39709585e 013 Sensor Settings The Sensor tab allows user to specify thermistor Laird has programmed six standard thermistors into the software Alternate thermistors can be specified by inputting Steinhart mode coefficients of thermistor from manufacturer s datasheet specification Temperature values are entered in Kelvin Resistance values are entered in Ohms Select a sensor from the drop selection list After selecting it is possible to edit this selection by clicking on the EDIT button The edit mode differs for sensor one and the other sensors Use Copy and Paste to copy settings from one sensor to another Right click in the sensor view and then copy or paste the sensor values Upload parameters will replace the sensor settings at position O with the values found in the regulator At the same time the name will be renamed to Uploaded NTC 1 This is the main sensor used for closed loop feedback control If necessary it is possible to change the name and parameters in the edit box that are used to define the sensor and calculate the temperature www lairdtech com Laird Technologies Change Temperature Calibration Data OK Cancel Offset Mode NTC Stainhart mode T low kelvin 273 15 R low ohm 48976 5 T mid kelvin 298 15 R mid ohm 15000 Thigh kelvin 343 15 R high ohm 2627 4 Name Change t
2. be used for monitoring multiple temperatures and alarms They can also be used as feedback for the fans when algo mode is used As previously shown it is possible to change in the edit box the name and all parameters in the regulator that are used to calculate the temperature of the sensor input www lairdtech com Laird Technologies Sensor 4 is mounted on the metal bracket of the PR 59 and is monitoring the temperature of the bracket so the PR 59 does not over heat Default alarm level is set to 60 C and if it is reached an external fan is required for additional cooling 5 6 Regulator Allows user to operate Thermoelectric Assembly in three modes on off thermostatic control with hysteresis algo or thru custom algorithm via Proportional Integral Derivative PID Base Runtime Alarm Fan Sensor Regulator Regulator mode Dead band 5 a Hysteresis 5 gE PID Propotional EP 130 P kP Te Max power out 100 w Integral KI 4 I ki ts Te 1 1 Dead band 1 Derivative kD 5 D kD ts Te Te 1 Heating Gain i Integral value limit 100 Ho Lowpass Tr KTr 7 Tr Cooling Gain i pa kTr 7 ts kTr Decay when stoped 0 1 Lowpass Te kTe 1 ts kTe Sampling speed ts 0 05 5 Regulator mode This is the heart of the regulator unit Here the regulator mode is defined by parameters to get the best performance specific to an application Regulator can function in one of the following modes Off Power Algo P PI PD
3. for the application 7 Download the configuration to the PR 59 by pressing the SEND button followed by the START button to start the PR 59 To store the parameters permanently in the controller they must be saved to the FLASH memory Enter Regulator gt Save to FLASH Otherwise the parameters will be lost at power down 8 To retrieve the configuration that is in the PR 59 press RETRIEVE and the parameters will be uploaded from the PR 59 to the LT Interface www lairdtech com Laird Technologies Section 3 0 Commands Overview 3 1 View Menu To change visible views E Untitled LT Interface 1 0 See File Edit WAJA Regulator Setup Logofile Help LC g v Toolbar i ic e w Status Bar Laird Runtime view 33 H Regulator control Parameter stream STARI STOP SEND RETRIEVE Toolbar Add or remove Toolbar Status Bar Add or remove Status Bar Runtime View Show or hide the runtime data window 3 2 Regulator Menu To send or receive commands and data to and from the regulator unit E4 Untitled LT Interface 1 0 alx File Edit View Dama Setup Loggfile Help Ib o mj d Connect Parameter stream SEI JL P L I RIE L Regulator information Gukpuk Spl na oy Main ui dE Uext ctrl y Tri ac Fani E y no main Fanz y Connect To connect regulator board to serial interface connection Disconnect To disconnect the serial interface connection to regulat
4. is selected the regulator will not decay at all If O is selected the internal value will be cleared without any decay time Internal register is multiplied with this value at a rate of sampling speed Sampling speed ts Fixed to 20Hz 0 05s www lairdtech com Laird Technologies 17 PID Constants Propotional kP Integral kl Derivative kD Integral value limit Filters Lowpass Tr kTr Lowpass Te kTe www lairdtech com P constant value used in PID mode constant value used in PID mode D constant value used in PID mode When the part is accumulated up to this value it will stop Filters set point changes So if the set point is changed while the regulator is running the speed of the change can be limited Filters Te signal Te is the difference between temperature sensor and the set point temperature All changes of this signal are filtered here Laird Technologies 18 Section 6 0 Error Handling An error message will be shown in the main view if an error is received from the controller Error when writing data error 3 Timeout echo msg The LT Interface does not get an expected response from the PR 59 Check the following Controller is connected to the computer Controller is connected to the chosen COM port The yellow LED on the PR 59 is flashing The communication wires are not damaged Error when trying to open the serial port error 6 Cmd open error Chosen COM port is not avai
5. permanently in the controller you need to save to FLASH Otherwise settings will be lost at power down ref Section 3 2 Click RETRIEVE to upload settings from the controller board Input Displays live feedback from the controller board calculated with user settings to indicate values Regulator Information Displays the set point and temperature point used in the regulator control loop Output Displays controlled output values to main output fan 1 and fan 2 The unit of measure for main is in percent with range between 100 to 100 The unit of measure for fans is in volts with range between 0 to 60 Volts Section 5 0 User Tabs Base Runtime Alarm Fan Sensor Regulator There are six tabs that the user can reference to change parameters in controller and visually monitor parameters All data is saved in the setting file sc type 5 1 Base Base Runtime Alarm Fan Sensor Regulator ati 20 nd Temperature sensor TC NTC 1 Notes Enter user comment here Base tab allows for quick setup of the regulator Select temperature sensor set point and enter description information under notes to recall settings for future reference All data will be stored in the file www lairdtech com Laird Technologies 10 5 2 Runtime Base Runtime Alarm Fan Sensor Regulator 100 0 100 0 Ti 100 0 100 0 100 0 100 0 100 0 100 100 0 100 0 100 0 100 0 100 0 Runtime tab allow
6. 0 05 a ol 4 sti mi a J 5 Max power out 1 Dead band a E Heating Gain ur The picture shows the function of the PID regulator Output Block The main output block handles the adjustments before the actual output signal St1 The set point temperature the regulator will control to Range is 100 to 200 C Max power out A limit can be specified to set a max output value This function is always in effect Valid range is O to 100 Note that it is the average power that is reduced with PWM Pulse Width Modulation so the peak voltage is still approximately the same as applied to the PR 59 This is why applied voltage to the PR 59 should not be higher than Vmax of the load Dead band Specify a limit to the output control around zero Any output lower than the value set in this field will render 0 output This is useful in order to avoid switching too fast between cooling and heating mode in order to increase field life of the thermoelectric modules Heating Gain Cooling Gain Adjusts the effectiveness of the output elements to accommodate uneven output power in the thermoelectric modules This allows for a better balance between the power in cooling and heating mode Decay when stopped When the regulator is stopped the internal register values used in the PID regulator will decay to zero with the speed of the value selected in this field The value should be less than 1 and larger than zero If 1
7. 1 A under 0 1 A low 10 aq Ti T4 s 25 ae High amp 60 E 40 Clow 10 a Alarm settings Alarm tab allows user to input alarm settings for input voltage output current limits on current to fans and high low temperature limits for up to four thermistors If alarm is activated unit will shut down until user resets controller This can be done by clicking REGULATOR then REBOOT REGULATOR or turn OFF main power supply then ON to controller Itis possible to disable all parts and only enable the parts valid for the regulator If an error is triggered the corresponding LED will flash while the error is active and up to a couple of seconds after the error is cleared For the temperature sensor settings T1 T2 T3 and T4 if high is active check for short circuit If low is active check for missing sensor This will get total control over the temperature sensor check www lairdtech com Laird Technologies 5 4 FAN Base Runtime Alarm Fan Sensor Regulator FAN 1 FAN 2 Mode Mode Select temp input Ti Select temp input Ti Set Point 20 a set Point 20 a Dead band 1 A Dead band 8 E Low Speed Hysteresis 1 a Low Speed Hysteresis AC High Speed Hysteresis 1 o High Speed Hysteresis 2 C Low Speed Voltage g Y Low Speed Voltage 17 Y High Speed Voltage 48 Y High Speed Voltage 48 Y The FAN tab allows user to control two fans hot side fan and cold side fan independently by turning on fans permanently only in heating mo
8. PID mode Off Regulator will turn off Power This mode is used to directly control the output power It can be useful when determining the response of a system You can either connect a potentiometer to the External pot connector or can feed a voltage to the center pin of the External pot connector where OV 100 2 5V 0 and 5V 100 Note Max power out Dead band Cool and Heat gain are active and might affect the output amplitude Algo Mode Temperature control ON OFF a pi A Set poini 50 100 C B Dead band 0 SOC a C Hysteresis O 10 C 4b The Algo mode is used to simulate cool on off and heat on mode similar to a thermostatic controller Dead band setting turns off algo mode and Hysteresis turns on algo mode www lairdtech com Laird Technologies 16 PID Mode P PI PD or PID mode will use all or selected parts of the PID regulator Of course it is possible to use PID mode and only set P or D constant to zero but the possibility to change mode quickly without changing the constants helps to trim the values for optimal use Base Runtime Alarm Fm Sensor Regulator Regulator mode Alga Hysteresis a AE PID Propotional kF F kF Te Integral kI I kltts Te I 1 Derivative kD Le ED ts Te Te l i Integral value limit 100 Lowpass Tr kTr 2 Co z2 sho Cooling Gain Decay when stoped 0 1 Lowpass Te kTe a ttsikTe Sampling speed ks
9. PR 59 AND LI INTERFACE USER MANUAL z 3 z A n TECHNOLOGIES gt Innovative Technology for a Connected World Laird TECHNOLOGIES gt gt Innovative Technology for a Connected World Table of Contents Section 1 0 Introduction to LT Interface and PR 59 ccceceeeeee eee eee eee 3 1 TOO O eai E EE it A E nt 3 We COMODI Y eree EN E E EO 3 1 3 Feature list of LT Interface and the PR 59 c eee 3 Section 2 lt QUICRS AM QUI eos n E EE la it ma late baz 4 Section 3 Commands Overview ee eee as 6 Se View MM aie cane ian rima O cate aie Rude ir l ne eee 6 3 2 Regulator Menu eee eee ee eee eee eee eee one ts 6 SO DOLIU WIC usar oile tele ian all a cina mc ina il a aa 7 LOCI MENIU ea ce ne asia ard a tr o aan a pat 8 Section 4 Ser VIEW sana acea aietoatiaia ara si anta a a e tie aa ic pa ate man dial ide tr 8 4 1 Main VIEW ice ce caine ie t oa aicea ii n do lee ei 08 i ai Da e i a ela 8 DECOM On Ser TADS e a ema eu entitate aia ap atm oda an e i i a a gta ne 9 Dl BA E maior seat tu le e ttn aie eee ae ate aces Di a ala aa at 9 OD E MUNAME costas au obiecte vai pondere pata ada na a ae aie S 10 OPS AAI RR nu at RD RD RR RR RE CR RD RR RA 11 Dle E INI s tean ne eres O a A n a tin i eva ta n la lat 12 DO CONDOR i toi tan ai i cu ai E n a t ti a ba iv md ui na 13 DOC QUILO asma RE RER RR RR ANRE DCI MR RI dae ani ON NARA SR RIA 15 Sec
10. de and or cooling mode during specific temperature set points during specific hysteresis range under specified voltage limits or turning off during specific dead bands Fan Mode List Cool and heat Algo The FAN mode works as follows Off FAN is always off Always on FAN is always on Cool FAN is active when the regulator is in cooling mode Heat FAN is active when the regulator is in heating mode Cool and heat FAN is active when the regulator is in cooling or heating mode Algo FAN is active as result of an algorithm function FAN Algorithm Fan control A Set point 30 100 C E Dead band 0 50 te C Low Speed Hysteresis 0 10 C D High Speed Hysteresis 0 10 C E Low Speed Voltage O 60V pr a o F High Speed Voltage D 60 E c Algo mode runs the FAN by tracking the input temperature The output is given by the temperature and settings Any sensor can be used for monitoring temperature www lairdtech com Laird Technologies 13 5 5 Sensor sensor 1 Sensor 2 Sensor 3 Sensor 4 EET Edt Edit Edit 2 TCNTC 2 1 TE NTC 1 1 TC NTC 1 4 RH16 10K ain 1 Gain 1 Gain 1 Gain 1 Offset O Offset O Offset O Offset O NTC steinhart mode NTC steinhart mode NTC steinhart mode NTC steinhart mode Coff Coff Coff Coff A 1 03728392e 003 A 1 39691809e 003 A 1 39691809e 0D03 A 6 8453538 72e 004 B 2 33172337e 004 B 2 3782580 ve 004 E 2 3782500 72 004 B 2 8985435e 004 C 8 38956566e 008
11. he name on the sensor settings The name is used in the drop list to easily remember the sensor settings Gain Is used to adjust the sensor value Any value other than 1 0 will affect the sensor value even if Stainhart mode is selected If unsure choose Gain 1 0 Offset Is used to offset the sensor value Any value other than 0 0 will affect the sensor value even if Stainhart mode is selected If unsure choose Offset 0 0 Mode Select to match the sensor mode For NTC type select Steinhart mode and for PT type select PT mode If a custom NTC is used and parameters are set manually then set the low and high values to match the expected temperature range in the application This will result in obtaining best accuracy IfaPT sensor is used select PT mode and assemble the jumper on the PR 59 board ref the product drawing It is not recommended to use a PT 100 sensor since the accuracy and resolution will be poor Steinhart mode The regulator board is calculating the temperature of an NTC resistance by using Steinhart equation Normally the NTC sensor is difficult to use but after correct Steinhart values are selected the temperature Is very accurate in the area where the points are selected Note that normal values for Gain are 1 and Offset is 0 in this mode If gain and offset are changed the result from the Steinhart equation is affected Please contact Laird Technologies for more information Sensor 2 3 4 Additional sensors can
12. lable Click Setup gt Global setup change COM port to the port that the PR 59 is connected to For additional assistance with error messages please consult with Laird Technologies www lairdtech com Laird Technologies 19 Appendix A Change log and Release Notes A 1 Released on October 17 2012 Based on SC Interface manual release February 16 2010 Information Check http www lairdtech com for news information and support Support at info gothenburg lairdtech se This document was last changed at October 17 2012 Appendix B LT Interface License Copyright C Laird Technologies AB This software is provided as is without any express or implied warranty In no event will the authors be held liable for any damages arising from the use of this software www lairdtech com Laird Technologies
13. nglish Runtime Data This is the transfer mode between the interface and control board Runtime data should be IEEE754 type at all times Only change this if you are advised by Laird Technologies Runtime Graph Runtime graph can sometimes be difficult to see especially when multiple parameters are highlighted Adjustments can be made to color and line thickness to more easily define each parameter Pen Width Set the number of pixels width used when drawing the graph on the screen Default value is 1 Higher value results in thicker line Double click on each parameter to change color so graphs are more easily differentiated from one another Set Default Color If you need to get back to the default settings of the graph drawing colors and pen width press this button Graph Color Background and grid color can also be changed by double clicking on each parameter to change color Background to set the color on the graph view background Grid to set the color on the grid Main T1 T2 etc all graph colors www lairdtech com Laird Technologies 3 4 Logfile Menu Log data on a file which can be referenced and compared to other log files Start Click Start to log all runtime data onto a file When the log file is activated runtime data from the regulator is stored to a tab separated text file which can be opened in Excel formatted for further data analysis If an existing file is selected the file is opened and the new da
14. ntents and dissipate heat generated from MOSFETS The sheet metal casing has eight 4 5 mm diameter thru holes four per surface Mount onto system level wall with machine screws or standoffs 919 it 1 Install the software onto PC Software can be downloaded from lairdtech com website under the download s tab on the Thermoelectric Assemblies product page 2 Connect power supply communication to PC sensor and thermoelectric assembly to the controller Tab terminals Mates with tab receptacles 6 3x0 8mm Molex KK 2 pin 22 27 2021 mates with 2 x 0850 0032 1 x 2201 2025 3 pin 22 27 2031 mates with 3 x 0850 0032 1 x 2201 2035 See wwwmolexcom for more alternatives Screw terminals Insert stripped wires www lairdtech com Laird Technologies 3 Power up the controller and start the LT Interface software on PC Applied voltage should not exceed Vmax rating on Thermoelectric Assembly Note If amperage exceeds 15 Amps it is recommended to incorporate external fan to circulate air over MOSFETs to keep them from overheating 4 To connect the software to the controller first enter Setup gt Global setup and choose the communication port to which the PR 59 is connected Then enter Regulator gt Connect to establish a connection between the software and the controller 5 You should now see online information from the controller on your screen 6 In the LT Interface configure the parameters that are needed
15. or board Stop Stop the regulator run mode Download Parameters Download parameters to regulator board Get Parameters Receive parameters from regulator board Save to FLASH Save all parameters currently in RAM to FLASH memory Read from FLASH Read all parameters from FLASH to regulator memory www lairdtech com Laird Technologies Global Setup Serial port Port Baudrate 115200 All speeds may not be avalible on your computer Select and try Logg file Sample rate 20 samples sec v C Stop at 65000 samples Fahrenheit otherwise Celsius Cancel Runtimedata IEEE 754 type high resolution Runtime graph Set Default Color Pen width points 2 Item Background Color A Set FLASH to Default Revert all parameters in FLASH memory to default settings Reboot Regulator Reboot the regulator Use to test loading of parameters from FLASH to memory 3 3 Setup Menu Global set up is used to change the recording data rate speed and format settings on the graph The global values are stored in the computer s registry file Serial Port Select the serial port which the PR 59 is connected to and baud rate For the moment only 115200 baud is supported Log File Choose sample rate for the log file and maximum number of samples to be stored in one log file Celsius and Fahrenheit Default temperature units are in Celsius click on Fahrenheit to convert units into E
16. s user to visually monitor operation parameters of controller A live running time scale graph appears that allows user to view main power thermistors temperature set points input current draw input voltage to TEMs input power to fans and PID parameters The live data graph is updating data continuously when connected to the regulator board The speed can be adjusted by pushing or buttons The view can be frozen by clicking on the freeze box The run time view dialog can be increased by double clicking on the graph view and adjusting size The graph view will remember the data of each graph parameter so it is possible to click on the enable disable part of the list to change the graph line and turn on or off If you want to change the colors on the graph or line thickness open the global setup and change the settings ref section 3 3 The items on the right are a selection of the parameters viewable in the graph Double click on each parameter to adjust the min max settings and change the height resolution of the graph Use the UP and DOWN arrow to move up and down the list Press space bar to toggle visibility state of selected row www lairdtech com Laird Technologies 11 5 3 Alarm Base Runtime Alarm Fan Sensor Regulator Voltage In FAN 1 Current T2 Over 30 v Over 6 2 A FlHigh 5 50 ac Under 10 V under amp 0 1 A Clow 10 Current Out FAN 2 Current Ta Over 10 A Over 6 2 A FlHigh 6 50 E Under amp 0
17. ta will be added to the end of the file The header shows what kind of data will be stored in the log file along with the software version used Then the runtime data records until the user stops the log file Please note that a large amount of data can accumulate over a short period of time because a block of data will run up to 20 times a second Reference Section 3 3 to adjust data rate speed Stop Stop logging and close file Section 4 0 User View 4 1 Main View Regulator Status Laird 00000000 ok 455 TECHNOLOGIES Connected to regulator Regulator control Parameter stream EI so e Input Regulator information Output T2 22 88 x Uext ctrl 0 0 y Tri 229 Fani 0 Y T3 22 88 aa Iim ain 0 00 A Fan2 0 V T4 24 50 C The Main view shows live information received from the regulator unit Regulator Status Displays live data from the regulator unit such as the current software version in the regulator indication of any error and the last command performed The LEDs on the right side indicate the following GREEN that the serial port is open for communication YELLOW that runtime data is received from regulator RED that there is an error reported from the regulator Regulator Control Click START button to start the regulator Click STOP button to stop the regulator www lairdtech com Laird Technologies Parameter Stream Click SEND to download settings to the controller board Note To store the settings
18. tion 6 Error Handling eee eee eee 18 Pato jo cilplo 1 A ies OR EDIRNE E RE RR E RR RI RI E RO E Se ANII ace 19 APPD PO et a oe eee eee ae ARO E RR ee 19 THR UM PR 59 LT INTERFACE 1012 Any information furnished by Laird Technologies Inc and its agents is believed to be accurate and reliable All specifications are subject to change without notice Responsibility for the use and application of Laird Technologies materials rests with the end user Laird Technologies makes no warranties as to the fitness merchantability suitability or non infringement of any Laird Technologies materials or products for any specific or general uses Laird Technologies shall not be liable for incidental or consequential damages of any kind All Laird Technologies products are sold pursuant to the Laird Technologies Terms and Conditions of sale in effect from time to time a copy of which will be furnished upon request O or ad 2012 Laird Technologies Inc All Rights Reserved Laird Laird lenon the Laird Technologies Logo and other marks are trade marks or hahaa trade marks of Laird Technologies Inc or an affiliate company thereof Other product or service names may be the property of third parties Nothing herein provides a license under any Laird Technologies or any third party intellectual property rights global 5 local ii Americas 1 888 246 9050 Europe 46 31 420530 Asia 86 755 2714 1166 2 www lairdtech com Laird Technologies Section 1 0 In
19. troduction to LT Interface and PR 59 1 1 Introduction Thank you for purchasing the TC XX PR 59 programmable controller The unit is designed for reversible cooling heating control of Thermoelectric Assemblies that require precise temperature control accuracy The controller not only regulates the temperature but also features two programmable fan outputs and an alarm output relay The controller can be used as a stand alone unit with RS 232 interface to control settings and parameters live An easy to use PC software is used to input parameters visually and see output parameters in real time 1 2 Compatibility The software has been tested and is compatible with Windows 2000 Windows XP and Windows 7 operating systems 1 3 Feature List of LT Interface and the PR 59 Serial interface for runtime information One high resolution main sensor Two sensor inputs for alarm Regulator mode o PID regulator o On off control o Algo mode Measurement of main current Measurement of FAN current H bridge control of the output Two FAN output controls Save runtime data to file for later analysis in other software More implementations in the future License see Appendix B www lairdtech com Laird Technologies Section 2 0 Quick Start Guide Contents in package should contain the following TC XX PR 59 TC NTC1 NTC thermistor TC WIRE3 sensor wire with 3 position connector Note Controller comes with outer sheet metal casing to protect co

Datasheet - Laird Technologies

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