TEC Temperature Controller

TEC Temperature Controller STYA-15V15A-WK

STYA-15V15A-WK temperature controller (hereinafter referred to as: temperature control power supply) is a high precision temperature control power supply with fast response, which is designed based on PWM modulation theory, including complete PID algorithm. The actuator of the temperature control power supply is a semiconductor refrigerator (TEC), and the temperature detection device is a thermistor NTC10K.The temperature control power supply supports two-way cooling and heating control. Temperature control power can be controlled through the front panel of the man-machine interface (local), easy to operate. On the front panel, you can set the temperature parameters of the controlled object, display the real-time temperature detection, start and stop the temperature control power, and display the status information of the temperature control power. And temperature control power can also be remotely controlled by computer through RS232 interface. In remote control mode, you can set temperature parameters of the temperature control power supply, query real-time temperature and various status information at any time, start and standby operations of the temperature control power supply, and receive fault information uploaded by the temperature control power supply. The temperature control power supply has the automatic memory function, which will automatically store the related setting parameters. Temperature control power adopts low noise, portable structure design, touch screen and physical keys shared operation scheme. The main features are as follows:

• Digital design, excellent performance

• Local control and computer remote control optional

• 64K true color LCD display, touch screen control

• Complete PID feedback algorithm, PWM modulation mode

• Two-way temperature control, support heating and cooling

• Supports NTC10K temperature sensor

• High efficiency, high precision and high reliability

• Automatic memory function, store various state parameters at any time

• Real-time temperature display and alarm prompt function

• Simple and quick man-machine interface

• Low noise structure design

STXF Series Temperature Control Board (TEC Driver)

Remarks: NE/NE-AH/NC use 10k NTC temperature sensor by default, PT100 or PT1000 are optional, other models only support NTC.

1. Details of STXF-TCB-NE-AH:

STXF-TCB-NE-AH is a temperature control board for semiconductor refrigeration chips (also known as thermoelectric coolers TEC), which contains a complete PID control. It has continuous output mode, and the temperature control accuracy can reach 0.01 degree. This device supports the most commonly used 10k NTC temperature sensor, TEC can have multiple configurations, and the power supply is DC power supply. This board is the high current version of STXF-TCB-NE. It is suitable for high-power and high-precision temperature control, such as high-power LD.

Features:

• PID control algorithm

• High accuracy, down to 0.01 degree

• Wide range of TEC voltage: 2~24V

• Large TEC current range: rated 18A (if the supply voltage is less than or equal to 12V, the current can reach 24A)

• Two-way control, support heating and cooling

• TEC configuration is flexible

• It can set and detect the temperature through the serial port (ASCII code protocol, supports the computer with its own super terminal, everyone can use it)

• It has alarm, ready signal output, and close TEC signal input

• Control mode: continuous voltage

Applications:

• Temperature control system with TEC (semiconductor cooler, thermoelectric cooler) as the temperature control element

• Suitable for but not limited to temperature control of laser diodes

• Suitable for various fields such as industry and home appliances

• Biological, medical, PCR temperature control, etc.

Main technical parameters:

• Board supply voltage: 7.5- 27V (standard voltages such as 7.5/12/15/24 are recommended, the TEC rated voltage is preferably equal to or slightly larger than the power supply voltage, if the TEC rated voltage is less than the power supply voltage, you can also set the maximum output ratio)

• Board supply current: determined by the actual maximum power of the TEC

• TEC voltage: 2V – 24V (depending on power supply voltage)

• TEC current: rated 18A (If power supply voltage is less than or equal to 12V, the current can reach 24A)

• Temperature control sensor: 10k NTC (default B value is 3950, the actual B value is not limited, only affects absolute temperature, not relative temperature, basically meaningless for temperature control), PT100 optional

• Temperature control accuracy: 0.01°

• Setting temperature accuracy: 0.01°

• NTC version temperature control measurement range: -60 - +170 degrees

• NTC version control temperature range: -20 - +100 degrees

• PT100/PT1000 temperature control measurement range: -60 - +212 degrees

• PT100/PT1000 control temperature range: -50 - +200 degrees

• Default factory setting temperature: 25°, or user specified

• Working ambient temperature: -40 to +45 degrees

• Storage ambient temperature: -40 to +60 degrees

• Working environment humidity: 0-95%

• Dimensions: 65mm*95mm, Height: 35mm

Ordering Information:

• Product name: temperature control board

• Product model: STXF-TCB-NE-AH/-X

• -X: Optional PT100 or PT1000 probe, omitting -X means that NTC probe is supported by default

• For example: TXF-TCB-NE-AH, TXF-TCB-NE-AH-PT100, TXF-TCB-NE-AH-PT1000

Control Method:

The board uses serial communication to modify and monitor information. There are three control methods as follows:

• The temperature control display unit made by us such as STXF-DISP-TCB (connect the serial port of the temperature control board to the display screen)

• Our PC software STXF-TCBMate (connect the serial port of the temperature control board to the computer)

• Directly use the serial port to issue command control (using a microcontroller, or a PC)

2. Related products and accessories for temperature control panel:

Details of STXF-DISP-TCB(DW) Temperature Control Display Board:

The STXF-DISP-TCB(DW) temperature control display board supports STXF-TCB-NA, STXF-TCB-NE/NE-AH, STXF-TCB-SA and other temperature control boards. The temperature value and various related parameters can be set through the temperature control display board, and the current temperature control information can be seen intuitively. The temperature control display board can be used as a setting tool for the temperature control board, or can be directly installed on the panel as the monitoring interface of the temperature control board.

Features:

• It can be easily installed on the customer's equipment panel

• Support STXF-TCB full range of temperature control boards

• Support the setting of various parameters

• Support temperature display as a curve

• It has a 7-28V power input port, and a 5V power input/output port and you can supply power through one of them

Ordering Information:

• Product name: temperature control display board

• Product model: STXF-DISP-TCB/-P(DW)  -P: A -P suffix means a black panel. If there is no panel, it will be omitted directly.

• For example: STXF-DISP-TCB(DW), STXF-DISP-TCB-P(DW)

Electrical connection diagram:

STJ Series TEC Drivers (Temperature Controllers)

The TEC driver is a high-performance temperature control system (air cooling) specially designed for driving laser diode (thermoelectric refrigeration chip, TEC), with high precision and high stability.It is based on the principle of Peltier effect. It has the advantages of high precision, long service life, small volume, no noise, no wear, no vibration, no pollution. The TEC driver has perfect PID control software and intelligent stepless temperature control, which can both cooled and heated. It can control by RS232 / 485 serial communication interface and communication protocol.

It can also supplies 1-2 channels of TEC control output, which can be used to control laser, medical devices, diode, infrared detectors, photomultiplier tubes, or any other devices which need the temperature control.

The TEC driver adopts the latest modern power electronic devices, high-speed microprocessor (MPU) program control technology, as well as PWM modulation, bidirectional power supply and PID regulation technology. It has excellent voltage and current output characteristics. No overshoot, no kickback, no surge and low noise when operation.

It also has over-current, over temperature and under temperature protection circuits, as well as a set of normally open / normally closed temperature alarm signal output.

The driver adopts 16 bit "8" LED, simple menu mode display, membrane button, and has friendly user interface and fault diagnosis function.

It is an excellent choice for laser equipment manufactures, research institute and personal. We used the standard PT1000 temperature sensor (platinum resistance) to have the best precision, linearity and stability.

Features:

• Intelligent step-less temperature regulation, two-way temperature control (both cooling and heating)

• Temperature accuracy±0.1°C

• Normally operating temperature range (0°C - 80°C adjustable) ( other ranges can be customized)

• Temperature alarm when exceeds the upper / lower limit

• The user can modify the temperature PID feedback parameters (but usually use the System Default PID parameters or the self- calibrated PID parameters)

• Three constant temperature mode selection: (1) standard cold and hot constant temperature (default), (2) cooling constant temperature, (3) heating constant temperature

• Automatic calibration of PID parameters of the temperature

• RS232/485 communication protocol (optional)

• With a set of normally open / close temperature alarm signal output

• With temperature ready signal output

• Over heat, over current protections; over/under temperature protection circuit

• High stability, high anti-interference ,entirely eliminate 50 / 60Hz frequency interference

• 8/16 bit "8" LED, simple menu / mode display, membrane button

• User friendly interface, fault diagnosis function

• We can customize the driver according to customer’s requirements

Remarks:

• If needs 48VDC or 110VAC power supply, please inform us when ordering

• the driver size W×L×H＝215×115×50 mm (Modular, 12～36VDC)

• Above drivers are our standard models. We can also customize according to customer’s parameters.

STO Series TEC Temperature Controller

1. OEM TEC Temperature Controller

TEC module is designed for regulating the temperature of the objects and the stabilizing its temperature at the certain level. The target temperature is set with an analog input voltage. Voltage output is provided to monitor temperature of the object.

Calibration table

This table is valid only if the module is used with 10kOhm NTC supplied

Electrical interface

+24VDC

Control interface

OUTPUT

• ENABLE JUMPER – in the case of stand-alone operations can be used instead of ENABLE signal of INTERFACE connector;

• Please do not use ENABLE JUMPER and ENABLE signal at the same time

• TEMPERATURE JUMPER – if this jumper is set on TEMPERATURE

• TRIMPOT can be used instead of TPROGRAM signal of INTERFACE connector;

• Please do not use TEMPERATURE JUMPER and TPROGRAM signal at the same time

• TEMPERATURE TRIMPOT – sets output temperature in the case of stand-alone operations (i.e. when TEMPERATURE JUMPER is set on);

• Clockwise rotation increases temperature set point

TESTPOINTS:

• red – temperature set point voltage

• blue – ground (return)

• yellow – temperature monitor voltage

2. Bench-top TEC Controller

Assembled in standard bench-top plastic case, our TEC-BT2010 temperature controller demonstates high output power along with high temperature control precision.

• Maximal output current up to 10 A

• Maximal output voltage up to 20 V

• 0.1 C precision

• Improved parameters on request

• RS-232 interface

TE Coolers

The laser diode cooling module (thermal electric cooler) is designed for maximize the cooling capacity. It adopts high density semiconductor device arrangement that makes to get higher cooling power and efficiency abilities at the same substrate size. This high cooling density makes the heat exchanger more compact and more efficient.

PT1000 Temperature Sensors

The PT resistance temperature sensor is made by using the physical characteristics of platinum which can change with temperature and has good reproducibility and stability.

The resistance value of PT1000 temperature sensor is 1000 Ω at the temperature 0°C. And it will be 1385.1 Ω at 100°C, Thus, the resistance change rate is 3.851 Ω /°C.

PT resistance temperature sensor has high precision, good stability and wide temperature range application. It is the most popularly used in temperature detector in the range from 200 to 650°C. It is not only widely used in industrial temperature measurement, but also into various standard thermometers for measurement and calibration. (covering national and world reference temperatures). PT1000 sensor has good long-term stability. The typical experimental data: The max temperature drift is only 0.02°C at 0°C after 300 hours continues working at 400.