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Summary of Contents for Electron Dynamics TC M series
- Page 1 TC M-Series Temperature Controllers V1.08 Electron Dynamics Ltd, Kingsbury House, Kingsbury Road, Bevois Valley, Southampton, SO14 OJT Tel: +44 (0) 2380 480 800 Fax: +44 (0) 2380 480 801 e-mail support@electrondynamics.co.uk...
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Page 2: Table Of Contents
Pull Down Menus ......................9 7.1.1 File Menu.......................9 7.1.2 Port ........................9 7.1.3 Help........................9 Control ..........................9 7.2.1 Type........................9 7.2.2 None ........................9 7.2.3 On/Off ........................9 7.2.4 Proportional ......................10 7.2.5 Integral.........................10 7.2.6 Derivative......................10 7.2.7 Derivative Filter ....................10 7.2.8 Dead band......................10 Electron Dynamics Ltd page... - Page 3 Faults ........................13 7.7.7 Temperature OK ....................13 Reading and Setting Parameters ................13 7.8.1 Read Button ......................13 7.8.2 Write Button......................13 Figure TC M series Temperature Controller GUI (Java)..........14 7.10 C++ GUI........................14 7.10.1 Additional features ....................14 7.10.2 Data Logging.......................15 7.10.3 C++ GUI ......................15 Communication Protocol.......................15...
- Page 4 TC M Temperature Controller User Manual V1.08 Sources of Information .....................17 There is a lot of information on the internet with some of it relevant have a look at these -..17 Electron Dynamics Ltd page...
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Page 5: Introduction
TC M Temperature Controller User Manual V1.08 Introduction Our TC M series of Temperature Controllers are designed for use with thermoelectric coolers also known as TEC’s or Peltier devices. These offer precise temperature control from –200 ºC to 100ºC at up to 0.001ºC stability. -
Page 6: Controller Functions
PWM duty cycle. Communications This is provided via USB Power The drive to the TEC’s is provided directly from the voltage supplied so this should be the same as the TEC’s maximum rating or less. Electron Dynamics Ltd page... -
Page 7: Connections
Connect thermistor to J8 between pins 3 and pins 4, connect screen if used to pin 6 For best operation stick with 10K types these have a better range in this circuit. Other values can be accommodated if required Electron Dynamics Ltd page... -
Page 8: Other Temperature Sensors
TC M Temperature Controller User Manual V1.08 Consult Electron Dynamics for possibilities Other temperature sensors These are possible please consult Electron Dynamics for advice. TEC connection Connect to J3 noting polarity, actual drive polarity can be configured by software Power connection... -
Page 9: Led Status
It is important to ensure that there is a good thermal path between the Sample, TEC and heatsink. Not only does this provide good heat removal / dissipation but will improve the temperature stability. Also important is that the mating surfaces are reasonably flat and that just enough heatsink Electron Dynamics Ltd page... -
Page 10: Peltier Size
Drive Limit On the TC M series the TEC drive limits allow maximum cooling and heating rates. Where the maximum drive is 100%. So to reduce a 12v device to half power, if we are powered at 12v then the max and mins should be –50% and 50%. -
Page 11: Pid Control
Being associated with every set point, this control defines the rate at which the next set point should be approached after the end of intended time-interval. A maximum of five different set points could be used at this mode. Electron Dynamics Ltd page... -
Page 12: Relay Feedback - Autotuning
Java and the other in C++. They are very similar with minor differences. The GUI will be broken down into eight functional categories, each will be explained in the remainder of this section of the manual: I. Pull Down Menus II. Control III. Set Point IV. Sensor Electron Dynamics Ltd page... -
Page 13: Pull Down Menus
User defined values can manually be entered here for the controller to operate from. 7.2.2 None This is a default off mode for diagnostic or fail safe purposes. 7.2.3 On/Off With On /off control the output drive is only fully On, heating or cooling or off. Electron Dynamics Ltd page... -
Page 14: Proportional
Set point 7.3.1 Method The temperature set point can be set via the PC or by altering the pot on the TCM series Temperature controller hardware. Electron Dynamics Ltd page... -
Page 15: Pot Range
It can be seen that this value simply added to the temperature value. So if your sensor was 1 degree out then make C = 1. Also provided is buttons to decrease / increase this value in 1 degree steps. For NTC thermistors different parameters are required Electron Dynamics Ltd page... -
Page 16: Ntc Thermistors
Operational temperature max (Only available on certain GUI) Sets the temperature maximum, above which the drive output is disabled. 7.6.6 Maximum Temperature (Only available on certain GUI) Sets the temperature minimum, below which the drive output is disabled.. Electron Dynamics Ltd page... -
Page 17: Report
Displays if the temperature is in the ok range Reading and Setting Parameters 7.8.1 Read Button The read button will load the respective GUI category with the current condition of the TC M Series Temperature Controller 7.8.2 Write Button The write button will load the TC M Series Temperature Controller with the current conditions entered in to the GUIs category. -
Page 18: Figure Tc M Series Temperature Controller Gui (Java)
TC M Temperature Controller User Manual V1.08 Figure TC M series Temperature Controller GUI (Java) 7.10 C++ GUI There are minor differences with the Java GUI as below. 7.10.1 Additional features The C++ GUI has feature for test mode, temperature cycling and temperature ramping, also included is an auto-tuning algorithm for setting up the PID terms automatically. -
Page 19: Data Logging
TCM controller. This is stored in a log file for compatible with excel for analysis. This allows the user to measure response graphs for tuning and stability anaysis. 7.10.3 C++ GUI Communication Protocol Please see the commands file on the resources CD-ROM. Electron Dynamics Ltd page... -
Page 20: Supply
TC M Temperature Controller User Manual V1.08 Specification TC M Series Supply 5v to 28v Output 0 to 5A ( TC M 5A ), 0 to 10A ( TC M 10A ), 0 to 25A ( TC M 25A ) Bi-directional heating and cooling Variable output –... - Page 21 There is a lot of information on the internet with some of it relevant have a look at these - - TEC information site http://www.peltier-info.com -TEC manufacturer http://www.marlow.com - Control E book http://www.jashaw.com/pid/ - PID tuning lecture notes http://www.jashaw.com/pid/tutorial/pid6.html http://www.brewerscience.com/cee/otherprods/cee_pid.html - PID notes http://lorien.ncl.ac.uk/ming/pid/PID.pdf - PID notes Electron Dynamics Ltd page...
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