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TEC-1090 Datasheet 5165B

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TEC-1090 Datasheet 5165B Thermo Electric Cooling Temperature Controller TEC-1090 TEC Controller / Peltier Driver ±16 A / ±19 V OEM Precision TEC Controller General Description The TEC-1090 is a specialized TEC controller / power supply able to precision-drive Peltier elements. It features a true bipolar current source for cooling / heating, two temperature monitoring inputs (1x high precision, 1x auxiliary) and intelligent PID control with auto tuning. The TEC-1090 is fully digitally controlled, its hard- and firmware offer various communication and safety options. The included PC-Software allows configuration, control, monitoring and live diagnosis of the TEC controller via USB and RS485. All parameters are saved to non-volatile memory. Saving can be disabled for bus operation. For the most straightforward applications, only a power supply, a Peltier element and one temperature sensor Features need to be connected to the TEC-1090. After power-up the DC Input Voltage: 12 – 24 V nominal unit will operate according to pre-configured values. (In TEC Controller / Driver: Autonomous Operation stand-alone mode no control interface is needed.) Output Current: 0 to ±16 A, <1.5% Ripple The TEC-1090 can handle Pt100, Pt1000 or NTC (0 to ±10 A available as TEC-1089) temperature probes. For highest precision and stability Output Voltage: 0 to ±19 V (max. U IN - 3.5 V) applications a Pt1000 / 4-wire input configuration is Temp. Sensor Types: Pt100, Pt1000, NTC recommended. (Temperature acquisition circuitry of each Temperature Precision: <0.01 °C individual device is factory-calibrated to ensure optimal accuracy and repeatability.) Temperature Stability: <0.01 °C An auxiliary temperature input allows the connection of an Thermal Power Control: PID, Performance-optimized NTC probe that is located on the heat sink of the Peltier Configuration / Diagnosis: via USB / RS485 (Software) element. This additional data is used to compensate for Dimensions (L x W x H): 75 mm x 60 mm x 18 mm parasitic thermal conduction of Peltier elements. Efficiency: TBD (@ >50% Load) The heating and cooling power is optimized by proprietary Cooling: over Base Plate thermal management routines based on power balance models (for Peltier elements and resistive heaters). Advanced Operation TEC-1090s function either autonomously (stand-alone) or Operation Modes: remotely controlled. Script control is available as well. - Stand-Alone w/o Live Control Interface Further functionality includes: Smooth temperature - Remotely-Controlled USB; RS485; RS422; I/O ramping, thermal stability indication and auto gain (NTC - Script-Controlled Lookup Table Read-Out probes). The PC-Software allows data logging and Driver Modes: configuration import/export. - DC Power Supply Current / Voltage Settings Many features (hardware, software) of this OEM product - Temperature Control PID Settings, Auto Tuning, are customizable upon request. optional cool/heat only mode The TEC-1090 is part of the TEC-Family of Meerstetter Control Interfaces: Isolated USB 2.0, TEC controllers, which are designed to operate alongside 2x RS485 / RS422 devices of the LDD-Family of laser diode drivers. Both 4x Digital I/O (3.3 V / 5 V, families of drivers share the same system bus protocol, General Purpose, Enable, design and technology. Stable, All OK Signal) FAN Controller (4 Wire): Temperature Regulation Display Unit: Optional: 2x16 Char OLED Applications Aux. Temp. Sensor Type: NTC (on Heat Sink Peltier) Optics (Laser Diodes, Crystals, …) Further Information Electronics (Detectors, RF References, …) Please contact us for additional information, or consult the Instrumentation (Microscopy, Materials, Biochemistry, …) current TEC Controller User Manual (Document 5134). Copyright: Meerstetter Engineering GmbH 1 Document Number: 5165B (20 December 2013) TEC-1090 Absolute Maximum Ratings Operating Ratings Supply voltage (DC) 27 V System base plate < 50°C Supply current (DC) 20 A Operation temperature 0 – 60°C Bipolar output voltage ±26.5 V Storage -30 – 70°C Bipolar output current ±22 A Humidity 5 – 95%, non-condensing Electrical Characteristics Unless otherwise noted: T A = 25°C, UIN = 24 V, R load = 1.10 Ω Symbol Parameter Test Conditions Min Typ Max Units DC Power Supply Input: UIN Supply voltage 11.5 24 26.5 V UIN Ripple Ripple tolerance 300 mV PP Output: IOUT Bipolar current swing ±16 A UOUT Bipolar voltage swing UIN at least 3.5 V greater than U OUT ±19 V UOUT Ripple Voltage ripple IOUT = 16A TBD mV PP System Characteristics: η50% Power efficiency @ 50% load TBD % η90% Power efficiency @ 90% load TBD % Output Monitoring (IOUT Resolution is 14.6mA; UOUT Resolution is 8.8mV) IOUT Read Precision @ 0 A, 16.0 A 1 3 % UOUT Read Precision @ 0 V, 15.0 V 1 3 % Object Temperature Measuring Characteristics (Pt100 and Pt1000 Probes) TA = 25°C, measurement configuration = 23bit / 4-wire / unshielded cable <50mm Symbol Parameter Test Conditions / Hints Min Typ Max Units TOBJ, RANGE Range -50 +200 °C Device temperature = 25°C T Precision 0.005 0.01 °C OBJ, PREC (EN 60571 / IEC 751) TOBJ, COEFF Temp. Coefficient Relative to device temperature 1.6m °C/K Reference measurement fluctuations while T Value Noise 0.003 °C OBJ, NOISE output stage operating @70% load Repeated measurements of reference T Repeatability 0.005 °C OBJ, REP resistors after up to 3 days Object Temperature Monitoring Configurations (NTC Probes) NTC thermistor resistive input characteristics translate into temperature ranges valid for only one type of NTC probe. Below example is given in the case of an NTC B 25/100 3988K R 25 10k temperature sensor. Symbol Parameter Test Conditions Min Typ Max Units Thermistor Input and Temperature Monitoring Ranges: High-°T Configuration (R s=18k Ω) 1080 17910 Ω Corresponding temperature range 84.7 to 12.2 °C Calibrated Mid-°T Configuration (R =39k Ω) 2340 38805 Ω R s NTC, calibrated resistance range Corresponding temperature range 61.7 to -3.4 °C (PGA = 1) Low-°T Configuration (R s=56k Ω) 3360 55720 Ω Corresponding temperature range 51.8 to -10.1 °C High-°T Configuration (R s=18k Ω) 135 17910 Ω Extended resistance Corresponding temperature range 164.0 to 12.2 °C R range. Auto Gain NTC, extended Mid-°T Configuration (R =39k Ω) 293 38805 Ω (PGA = 1 or 8) s Corresponding temperature range 130.9 to -3.4 °C Copyright: Meerstetter Engineering GmbH 2 Document Number: 5165B (20 December 2013) TEC-1090 Sink Temperature Measuring Characteristics (NTC only) TA = 25°C, measurement configuration = 12bit / 2-wire / unshielded cable <50mm, °T probe = NTC B 25/100 3988K R 25 10k Symbol Parameter Test Conditions / Hints Min Typ Max Units 180 44600 Ω R Range SINK, RANGE Corresponding temperature range 150 to -6.0 °C Safety Characteristics Unless otherwise noted: T A = 25°C, U IN = 24 V Symbol Parameter Test Conditions Min Typ Max Units Input Transient Overvoltage Protection: UIN Trans. Transients 28.2 V Input Reverse Polarity Protection: (GND input is connected through a Power MOSFET which is not active when reverse polarity is applied to the power supply terminals.) UIN Pol. Reverse polarity -28.2 V Output Stage Protection Delays: tOFF Short circuit Full load condition 10 30 µs tOFF Power system limits Current and voltage limits 200 µs tOFF System failure System status or temperature faults 100 ms tIMMUN Immunity to transient noise Duration of noise on temperature monitors 300 ms Output Stage Current Supervision: (If the OUT+ and OUT- currents differ too much, an error is generated) IOUT_DIFF Error threshold 800 mA General Purpose Digital I/O Characteristics (RES1 … RES4) Unless otherwise noted: T A = 25°C, UIN = 24 V Symbol Parameter Comments Min Typ Max Units Input Characteristics: UIH Logic high input threshold 2.31 V UIL Logic low input threshold 0.99 V UIMAX Maximum input voltage -0.5 5.5 V Output Characteristics: (Microprocessor) UOH Logic high output voltage Output current 8mA 2.9 3.3 V UOL Logic low output voltage Input current 8mA 0 0.4 V ESD Protection: (Between Processor and Connector) UPP ESD discharge IEC61000−4−2 100 kV RA Series resistance 170 200 230 Ω Copyright: Meerstetter Engineering GmbH 3 Document Number: 5165B (20 December 2013) TEC-1090 Package Outline and Pin Configuration Power for TYCO Plug Supply 7-215083-4 Positive Current Peltier Element for Plug DIN 41651 for JST Plug GHR-06V-S y with JST Crimp SSHL-002T-P0.2 x 3 (0,0) Dimensions (L x W x H): 75 x 60 x 18 mm Mounting (M3-size Bores, 7.5 mm in Length): M1: x = 14.0 mm, y = 25.0 mm M2: x = 71.5 mm, y = 48.5 mm M3: x = 71.5 mm, y = 18.5 mm TEC Board Power Terminals : M4-size Screws 6 R61 Pin Descriptions Platform Bus X3: 5 Object Temperature 23bit 1: 24V (optional) @ ADC [Pt100, Pt1000, NTC] 2: GND (fused, PTC) 4 R60 3: RS485_A1 [*R72 = Termination (120 Ω), N.A.] 3 4: RS485_B1 (*R72 not accessible from top) Sink Temperature [NTC] 5: RS485_A2 [R73 = Termination (120 Ω), N.A.] 2 12bit 6: RS485_B2 @ MCU 1 7: RES1 8: RES2 9: RES3 R60, R61 = 0 Ω [2-wire] / 10nF [4-wire] 10: RES4 R71 = Rs (Shunt / Reference) Peltier element, temperature probes, power supply and connectors not included. Copyright: Meerstetter Engineering GmbH 4 Document Number: 5165B (20 December 2013) TEC-1090 Operation-Modes and Communication Options The TEC-1090 is an OEM precision TEC controller that is primarily designed to operate as a stand-alone device. Once configured and in operation, its basic status is visually indicated by on-board green and red LEDs and their blinking pattern. More detailed status information can be polled at any time by industry-standard RS485 connection or by USB (see box below). The TEC-1090 can also operate in a remotely-controlled manner, with parameters adjusted on the fly.
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