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6. 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 available. Click Setup > 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 Thermal Systems.

Содержание PR-59

Страница 1: ...PR 59 Temperature Controller and LT Interface User Manual Version 1 2 ...

Страница 2: ...face and the PR 59 3 2 Quick Start Guide 4 3 Commands Overview 7 3 1 View Menu 7 3 2 Regulator Menu 7 3 3 Setup Menu 8 3 4 Logfile Menu 9 4 User View 9 4 1 Main View 9 5 User Tabs 10 5 1 Base 10 5 2 Runtime 11 5 3 Alarm 12 5 4 Fan 12 5 5 Sensor 13 5 6 Regulator 15 6 Error Handling 18 Appendix A 19 Contact Laird Thermal Systems 19 ...

Страница 3: ...d 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 Regul...

Страница 4: ... surface can dissipate the heat is as flat as possible and a thermal interface material is used to fill any gaps between the controller casing and the mating surface If the controller is placed in an airstream that will also have a positive impact of the cooling of the controller If load current is higher than 15A sufficient cooling of the controller is needed 1 Install the software onto PC Softwa...

Страница 5: ... see picture below If TC WIRE3 is used for the T1 sensor interconnect the red and brown wires at the sensor connection end Connectors to use VDC in and TEM out Tab receptacles 6 3x0 8mm Sensor inputs and alarm output and external potentiometer o 2 pin 2201 2025 2pcs 0850 0032 o 3 pin 2201 2035 3pcs 0850 0032 Fan and communication stripped wires preferable with an end ferrule ...

Страница 6: ...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 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...

Страница 7: ... 3 2 Regulator Menu To send or receive commands and data to and from the regulator unit Connect To connect regulator board to serial interface connection Disconnect To disconnect the serial interface connection to regulator board Stop Stop the regulator run mode Download Parameters Download parameters to regulator board Get Parameters Receive parameters from regulator board ...

Страница 8: ...s into English 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 Thermal Systems 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 par...

Страница 9: ... 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 4 User View 4 1 Main View 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 th...

Страница 10: ...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 5 User Tabs 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 tab allows ...

Страница 11: ...me 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 t...

Страница 12: ...hen REBOOT REGULATOR or turn OFF main power supply then ON to controller It is 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...

Страница 13: ...ode List 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 Algo mode runs the FAN by tracking the input temperat...

Страница 14: ...ploaded 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 Name Change the 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...

Страница 15: ...or that are used to calculate the temperature of the sensor input 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 thermosta...

Страница 16: ...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 0 to 100 Note that it is the average power that is reduced with PWM Pulse Width Modulation so the peak voltage is...

Страница 17: ...d 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 PID Constants Propotional kP P constant value used in PID mode Integral kI I constant value used in PID mode Derivative kD D constant value used in PID mode Integral value limit Filters When the I part is accumulated up to thi...

Страница 18: ...owing 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 available Click Setup Global setup change COM port to the port that the PR 59 is connected to For additional assistance with error messages...

Страница 19: ...ent will the authors be held liable for any damages arising from the use of this software Contact Laird Thermal Systems Have a question or need more information about Laird Thermal Systems Please contact us via the web www lairdthermal com Trademarks Copyright 2019 2021 Laird Thermal Systems Inc All rights reserved Laird the Laird Ring Logo and Laird Thermal Systems are trademarks or registered tr...

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