JYTEK USB-62401 Скачать руководство пользователя | Manualshive

Страница: 15 / 62

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Introduction

5

Temperature Draft @2000SPS, in ppm/°C

Thermocouple

105.3142618

0.193622785

2-wire RTD

2.965409564

0.512440163

3-wire RTD

2.996320076

0.240909456

4-wire RTD

2.854513258

0.086721521

2-wire resistance

3.40709375

0.06209485

Mode

Gain drift

Offset drift

Voltage (±25V)

1.620950284

0.105635778

Voltage (±12.5V)

1.584251894

0.11027477

Voltage (±2.5V)

1.701225379

0.067356314

Voltage (±312.5mV)

20.52684091

0.113061874

Current (±20mA)

3.771356399

0.338399386

Full-bridge

30.71138027

50.00179464

Half-bridge

35.58911174

1.862124485

Thermocouple

117.7077884

0.435895845

2-wire RTD

3.047327178

0.452466872

3-wire RTD

3.124556345

0.189605804

4-wire RTD

3.216423295

0.088365093

2-wire resistance

3.386921402

0.04574323

Mode

Gain drift

Offset drift

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Содержание USB-62401

Страница 1: ...Advance Technologies Automate the World Manual Rev 1 00 Revision Date Aug 27 2017 USB 62401 24 bit 2kS s USB 2 0 Based Universal Input DAQ Module User s Manual...

Страница 2: ...ii...

Страница 3: ...umentation even if advised of the possibility of such damages Environmental Responsibility JYTEK is committed to fulfill its social responsibility to global environ mental preservation through complia...

Страница 4: ...NOTE NOTE Additional information aids and tips that help users perform tasks CAUTION Information to prevent minor physical injury component damage data loss and or program corruption when trying to co...

Страница 5: ...1 4 2 General Analog Input 2 1 4 3 Analog Input Electrical 4 1 4 4 Digital Input Output 7 1 5 Software Support 8 1 6 Driver Support for Windows 8 1 7 Utilities for Windows 10 1 8 Overview and Dimensio...

Страница 6: ...Bridge Input Mode 30 3 3 4 Thermocouple Input Mode 31 3 3 5 RTD Input Mode 32 3 3 6 Wire Resistance Mode 34 3 4 AI Data Format 35 3 5 ADC Sampling Rate 36 3 5 1 Software Polling Data Transfer Non Buf...

Страница 7: ...Apparatus 25 Figure 3 1 USB 62401 Functional Block Diagram 27 Figure 3 2 Ground Referenced Source and Differential Input 28 Figure 3 3 Floating Source and Differential Input 29 Figure 3 4 Current Sou...

Страница 8: ...viii List of Figures This page intentionally left blank...

Страница 9: ...e 1 2 USB 62401 Pin Assignment 18 Table 1 3 I O Signal Description 19 Table 3 1 Analog Input Range and Output Digital Code 35 Table 3 2 Analog Input Range and Output Digital Code cont d 36 Table 3 3 T...

Страница 10: ...x List of Tables This page intentionally left blank...

Страница 11: ...il or wall mounting The USB 62401 is suitable for basic measurement applications requiring high resolution and accuracy laboratory research and material testing environments and industrial temperature...

Страница 12: ...removable screw down terminals Power requirement USB power 5 V 400 mA Operating environment Ambient temperature 0 to 55 C Relative humidity 10 to 90 non condensing Storage environment Ambient temperat...

Страница 13: ...ensation CJC accuracy 0 5 C after 15 minute warmup Operational common mode voltage range Voltage input mode Vcm Vpp 2 input range 25V 12 5V 2 5V 0 3125V Current input mode Vcm 24V Overvoltage protecti...

Страница 14: ...idge 28 00370355 30 90013157 Half bridge 33 48025514 1 750342188 Thermocouple 62 9978196 0 164409864 2 wire RTD 2 842575758 0 522492944 3 wire RTD 2 879839489 0 258840329 4 wire RTD 2 902723485 0 0186...

Страница 15: ...ge 25V 1 620950284 0 105635778 Voltage 12 5V 1 584251894 0 11027477 Voltage 2 5V 1 701225379 0 067356314 Voltage 312 5mV 20 52684091 0 113061874 Current 20mA 3 771356399 0 338399386 Full bridge 30 711...

Страница 16: ...41 628525 67 98029188 Thermocouple 28 24161013 41 73502813 51 59679 76 21635225 2 wire RTD 8 00126525 11 64115513 16 869046 33 30653975 3 wire RTD 8 407154625 12 01619113 16 528028 33 69525963 4 wire...

Страница 17: ...upports 3 3V and 5 V DI but 3 3V DO Input voltage Logic low VIL 0 8 V max IIL 0 2 mA max Logic high VIH 2 0 V min IIH 0 2 mA max Output voltage Logic low VOL 0 5 V max IOL 10 mA max Logic high VOH 2 6...

Страница 18: ...rivers for custom ized DAQ application development USB DASK enables you to perform detailed operations and achieve superior performance and reliability from your data acquisition system DASK kernel dr...

Страница 19: ...ion to providing data collection and monitoring functions U Test also supports basic FFT analysis and provides direct control of analog output and digital I O with a user friendly interface Figure 1 1...

Страница 20: ...10 Introduction 1 8 Overview and Dimensions 1 8 1 Module Figure 1 2 USB 62401 Module Rear View NOTE NOTE All dimensions shown are in millimeters mm...

Страница 21: ...Introduction 11 Figure 1 3 USB 62401 Module Side View...

Страница 22: ...12 Introduction Figure 1 4 USB 62401 Module Front View...

Страница 23: ...ix the module in the stand slide the module body into the stand until a click is heard To remove the module from the stand twist the bottom of the stand in a back and forth motion and separate from th...

Страница 24: ...14 Introduction Figure 1 7 Module In Stand Front View...

Страница 25: ...Introduction 15 Figure 1 8 Module Stand Top View 20 4 20 4 B 26...

Страница 26: ...16 Introduction Figure 1 9 Module Stand Side Cutaway View Figure 1 10 Module Stand Front View 5 89 1 5 6 3 4 100...

Страница 27: ...iption as fol lows Table 1 2 USB 62401 Pin Assignment Pin Function Pin Function 20 GPO0 40 GPO1 19 GPI1 39 GPI3 18 GPI0 38 GPI2 17 NC 37 DGND 16 GND1 36 GND3 15 SC1 35 SC3 14 SC1 34 SC3 13 EXC1 33 EXC...

Страница 28: ...ted on board AI 0 4 GND I Differential analog Input channels 0 3 CI 0 4 GND I Current input channel 0 3 EXC 0 3 GND O Excitation output for channel 0 3 can be configured to voltage output 2 5V or curr...

Страница 29: ...Introduction 19...

Страница 30: ...20 Introduction This page intentionally left blank...

Страница 31: ...seconds to load the firmware When loading is complete the LED indica tor on the rear of the USB DAQ module changes from amber to green and the New Hardware message closes 4 The USB 62401 module can n...

Страница 32: ...2 2 Device ID A rotary control on the rear of the module as shown controls device ID setting and can be set from 1 to 8 The device ID allows dedicated con trol of the USB 62401 module irrespective of...

Страница 33: ...rammable including sampling update rate input output channel input range and others Please see the UD DASK Function Reference manual for details 2 4 Device Mounting 2 4 1 Rail Mounting The multi funct...

Страница 34: ...24 Getting Started Figure 2 4 Module Pre Rail Mounting Figure 2 5 Module Rail Mounted...

Страница 35: ...ing The multi function stand can be fixed to a wall using four flush head screws as shown The four screw holes should be approximately 3 4 mm in diameter Figure 2 6 Wall Mount Holes Figure 2 7 Module...

Страница 36: ...26 Getting Started This page intentionally left blank...

Страница 37: ...ctional Block Diagram 3 2 Signal Sources 3 2 1 Floating Signal Source Not connected in any way to the existing ground system Devices with isolated output are floating signal sources such as optical is...

Страница 38: ...Details of signal connection in different input modes follow 3 3 1 Voltage Input Mode The properties of the signal to be measured must be considered The differential input mode provides two inputs th...

Страница 39: ...mode is as shown Figure 3 3 Floating Source and Differential Input 3 3 2 Current Input Mode Current signal source can be floating or grounded reference converted to voltage through a precision 249 5...

Страница 40: ...nd half bridge modes For half bridge trans ducer USB 62401 has built in precision 20k resistors to compensate the circuit as a full bridge transducer measurement Also provided is a moving average func...

Страница 41: ...ween either end of the pair of conductors The USB 62401 uses 78 125mV input range to acquire the thermocouple signal and provides a precision built in digital temperature sensor for cold junction comp...

Страница 42: ...voltage to RTD resis tance conversion of Since the excitation current can only drive cross voltage up to 1 5V with good linearity the maximum equivalent value of the RTD resistor is lim ited to 3k The...

Страница 43: ...Operation 33 Figure 3 7 4 Wire RTD Connection Figure 3 8 3 Wire RTD Connection...

Страница 44: ...rent to the resistor to be measured and use a 2 5V input range to acquire cross volt age on the resistor The formula of voltage to resistance conversion is Since the excitation current can only drive...

Страница 45: ...put Range and Output Digital Code Description Bipolar Analog Input Range Digital Code Full scale range 25 V 12 5 V 2 5 V 0 3125V N A Least significant bit 2 98uV 1 49uV 0 298uV 0 037uV N A FSR 1LSB 24...

Страница 46: ...FIFO buffering latency The USB 62401 continuously updates the latest acquired data onto a data port for specific channels Data not retrieved in time is overwritten with new data without notice As the...

Страница 47: ...function reference for details of corresponding software API instruction 3 6 Programmable Function I O The USB 62401 supports powerful programmable I O function provided by an FPGA chip configurable a...

Страница 48: ...TC_CLK gate input GPTC_GATE and up down control input GPTC_UD The GPTC_CLK input provides a clock source input to the timer counter Active edges on the GPTC_CLK input increment or decrement the counte...

Страница 49: ...oft ware any time with no influence on calculation GPTC_GATE enables disables calculation When GPTC_GATE is inactive the counter halts the current count value Operation in which initial count 5 countd...

Страница 50: ...its active state After the completion of the pulse width interval on GPTC_GATE GPTC_OUT outputs high and current count value can be read by the software application Operation in which initial count 0...

Страница 51: ...lse This mode generates a single pulse with programmable delay and programmable pulse width following an active GPTC_GATE edge These programmable parameters can be specified in terms of peri ods of th...

Страница 52: ...continuous periodic pulses with programmable pulse interval and pulse width following the first active edge of GPTC_GATE When the first GPTC_GATE edge triggers the counter GPTC_GATE has no effect unti...

Страница 53: ...n clock frequency The maximum counting width is 32 bit Decrease of the counter value in Edge Separation Measure ment mode is shown Figure 3 19 Mode 9 Edge Separation Measurement Mode 10 PWM Output The...

Страница 54: ...3 20 Mode 10 PWM Output Calculation of the PWM frequency and duty cycle is as follows cnt length Pulse cnt initial Pulse cnt length Pulse Duty cnt length Pulse cnt initial Pulse F F PWM Timebase PWM...

Страница 55: ...e TrimDACs firmware are written to the onboard EEPROM TrimDACs firmware is the algorithm in the FPGA Loading calibration constants entails loading the values of TrimDACs firmware stored in the onboard...

Страница 56: ...46 Calibration This page intentionally left blank...

Страница 57: ...rn off power and unplug any power cords cables To avoid electrical shock and or damage to equipment Keep equipment away from water or liquid sources Keep equipment away from high heat or high humidity...

Страница 58: ...serviced by authorized technicians when The power cord or plug is damaged Liquid has penetrated the equipment It has been exposed to high humidity moisture It is not functioning or does not function a...

Страница 59: ...iginal manufacturers warranty For products containing storage devices hard drives flash cards etc please back up your data before sending them for repair JYTEK is not responsible for any loss of data...

Страница 60: ...age environments i e high temperatures high humidity or volatile chemicals Damage caused by leakage of battery fluid during or after change of batteries by customer user Damage from improper repair by...

Страница 61: ...tact us should you require any service or assistance SHANGHAI JYTEK CO LTD Web Site http www jytek com Sales Service service jytek com Telephone No 86 21 50475899 Fax No 86 21 50475899 Mailing Address...

Страница 62: ...52 Getting Service...

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