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Summary of Contents for JYTEK USB-62401
- Page 1 USB-62401 24-bit 2kS/s USB 2.0-Based Universal Input DAQ Module User’s Manual Manual Rev.: 1.00 Revision Date: Aug 27, 2017 Advance Technologies; Automate the World.
- Page 3 Restriction of Hazardous Substances (RoHS) directive and Waste Electri- cal and Electronic Equipment (WEEE) directive. Environmental protec- tion is a top priority for JYTEK. We have enforced measures to ensure that our products, manufacturing processes, components, and raw materials have as little impact on the environment as possible. When...
- Page 4 Conventions Take note of the following conventions used throughout this manual to make sure that users perform certain tasks and instructions properly. Additional information, aids, and tips that help users perform tasks. NOTE: NOTE: Information to prevent minor physical injury, component damage, data loss, and/or program corruption when trying to complete a task.
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Page 5: Table Of Contents
1.8.1 Module ................11 1.8.2 Module Stand ..............14 Connector Information ..............18 2 Getting Started ............... 21 Connecting the USB-62401 Module ..........21 Device ID ..................22 Hardware Configuration .............. 23 Device Mounting................23 2.4.1 Rail Mounting ..............23 Table of Contents... - Page 6 2.4.2 Wall Mounting ..............25 3 Operation ................27 Functional Layout ................ 27 Signal Sources................27 3.2.1 Floating Signal Source ............27 3.2.2 Ground-Referenced Signal Source ........28 Signal Connection................ 28 3.3.1 Voltage Input Mode ............28 3.3.2 Current Input Mode ............29 3.3.3 Full Bridge and Half Bridge Input Mode ......
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Page 7: List Of Figures
Module Stand Top View ............16 Figure 1-9: Module Stand Side Cutaway View........17 Figure 1-10: Module Stand Front View..........17 Figure 2-1: USB-62401 Module in Windows Device Manager.....21 Figure 2-2: Device ID Selection Control ..........22 Figure 2-3: Rail Mount Kit..............23 Figure 2-4: Module Pre-Rail Mounting ..........24... - Page 8 This page intentionally left blank. viii List of Figures...
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Page 9: List Of Tables
List of Tables Table 1-1: U-Test Interface Legend ............10 Table 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: TTL Digital I/O Pin Definition ...........37... - Page 10 This page intentionally left blank. List of Tables...
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Page 11: Introduction
U-Test, a free ready-to-use testing program is included to enable operation or testing of all JYTEK USB DAQ series functions with no programming require- ments. Features High-speed USB 2.0... -
Page 12: Applications
Applications Automotive testing Laboratory research Biotech measurement I/O control Specifications 1.4.1 General Specifications Physical, Power, and Operating Environment Interface High speed USB 2.0 compatible, mini-USB connector Dimensions 156 (L) x 114 (W) x 41 (H) mm (6.14 X 4.49 X 1.61 in.) I/O Connector Two 20-pin removable screw-down terminals Power requirement... - Page 13 Thermocouple K, J, N, R, S, B, T, E 78.125mV RTD (3-wire, 4-wire) Pt 100, Pt 1000 2.5V Half-Bridge (120Ω, 350Ω) Max. 30mV/V 78.125mV Full-Bridge (120Ω, 350Ω) Max. 30mV/V 78.125mV 2-Wire Resistance 30kΩ 2.5V Excitation voltage 2.5V (for half/full-bridge mode only) Excitation current 0.5mA for RTD mode 0.05mA for Resistance mode...
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Page 14: Analog Input Electrical
1.4.3 Analog Input Electrical Temperature Draft @20SPS, in ppm/°C Mode Gain drift Offset drift Voltage (±25V) 1.389055871 0.043023355 Voltage (±12.5V) 1.37552178 0.075556565 Voltage (±2.5V) 1.662727273 0.030882956 Voltage (±312.5mV) 21.92878977 0.110084412 Current (±20mA) 3.270369091 0.282946284 Full-bridge 28.00370355 30.90013157 Half-bridge 33.48025514 1.750342188 Thermocouple 62.9978196 0.164409864... - Page 15 Mode Gain drift Offset drift 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 Temperature Draft @2000SPS, in ppm/°C Mode Gain drift Offset drift Voltage (±25V) 1.620950284 0.105635778 Voltage (±12.5V) 1.584251894 0.11027477 Voltage (±2.5V)
- Page 16 System Noise, in LSB (Typical, 25°C): 20 SPS to 160 SPS Mode Sampling Rate (SPS) Voltage (±25V) 9.443641 13.58713513 22.225423 47.06011713 Voltage (±12.5V) 10.45022375 15.55506725 23.934448 50.668689 Voltage (±2.5V) 8.941254375 12.75718938 19.522499 46.11391238 Voltage 11.115466 15.1842875 19.108748 39.44412825 (±312.5mV) Current (±20mA) 29.50086975 33.76906888 39.179197...
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Page 17: Digital Input/Output
Mode Sampling Rate (SPS) Thermocouple 107.9735725 143.46202 198.49927 202.17693 2-wire RTD 44.53668125 77.870435 71.369319 127.45831 3-wire RTD 42.00570563 87.738238 72.70806 123.21166 4-wire RTD 72.2785775 155.50389 72.168651 123.65813 2-wire resistance 72.76746238 153.9091 71.566314 122.28421 1.4.4 Digital Input/Output I/O Specifications Number of channels 4-CH programmable function digital input (DI) 2-CH programmable function digital output (DO) -
Page 18: Software Support
MATLAB®. JYTEK also provides ActiveX component ware for measure- ment and SCADA/HMI, and breakthrough proprietary software. All soft- ware options are on the website:www.jytek.com. Be sure to install the driver & utility before using the USB-62401 mod- ule. Driver Support for Windows 1.6.1... -
Page 19: Utilities For Windows
U-Test U-Test is a free and ready-to-use utility which can assist instant testing and operation of all JYTEK USB DAQ series functions with no program- ming. In addition 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. -
Page 20: Overview And Dimensions
Overview and Dimensions All dimensions shown are in millimeters (mm) NOTE: NOTE: 1.8.1 Module Figure 1-2: USB-62401 Module Rear View Introduction... -
Page 21: Figure 1-3: Usb-62401 Module Side View
Figure 1-3: USB-62401 Module Side View Introduction... -
Page 22: Figure 1-4: Usb-62401 Module Front View
Figure 1-4: USB-62401 Module Front View Introduction... -
Page 23: Module Stand
1.8.2 Module Stand The multi-function USB-62401 stand is compatible with desk, rail, or wall mounting. To fix 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 the module. -
Page 24: Figure 1-7: Module In Stand Front View
Figure 1-7: Module In Stand Front View Introduction... -
Page 25: Figure 1-8: Module Stand Top View
20.4 20.4 Figure 1-8: Module Stand Top View Introduction... -
Page 26: Figure 1-9: Module Stand Side Cutaway View
Figure 1-9: Module Stand Side Cutaway View Figure 1-10: Module Stand Front View Introduction... -
Page 27: Connector Information
Connector Information The USB-62401 module is equipped with 40-pin removable screw-down terminal connectors, with pin assignment and signal description as fol- lows. Function Function GPO0 GPO1 GPI1 GPI3 GPI0 GPI2 DGND GND1 GND3 SC1- SC3- SC1+ SC3+ EXC1 EXC3 CI1-... -
Page 28: Table 1-3: I/O Signal Description
Signal Name Reference Direction Description GND<0..3> -------- Ground of excitation voltage/current, with GND<0..3> and DGND connected on board DGND -------- Digital ground, DGND and GND<0..3> are connected on board AI<0..4> Differential analog Input channels 0~3 CI<0..4> Current input channel 0~3. EXC<0..3>... - Page 29 Introduction...
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Page 31: Getting Started
WARNING: Connecting the USB-62401 Module 1. Turn on the computer. 2. Connect the USB-62401 module to one USB 2.0 port on the computer using the included USB cable. 3. The first time the USB-62401 module is connected, a New Hardware message appears. It will take around 6 seconds to load the firmware. -
Page 32: Device Id
If the USB-62401 module cannot be detected, the power provided by the USB port may be insufficient. The USB-62401 module is exclusively powered by the USB port and requires 400 mA @ 5 V. 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. -
Page 33: Hardware Configuration
Hardware Configuration All remaining hardware configurations are software programmable, including sampling/update rate, input/output channel, input range, and others. Please see the UD-DASK Function Reference manual for details. Device Mounting 2.4.1 Rail Mounting The multi-function stand can be mounted on the DIN rail using the rail-mount kit as shown. -
Page 34: Figure 2-4: Module Pre-Rail Mounting
Figure 2-4: Module Pre-Rail Mounting Figure 2-5: Module Rail-Mounted Getting Started... -
Page 35: Wall Mounting
2.4.2 Wall Mounting 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. 20.4 13.0 Figure 2-6: Wall Mount Holes Figure 2-7: Module with Wall Mount Apparatus Getting Started... - Page 36 This page intentionally left blank. Getting Started...
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Page 37: Operation
Operation Operation of the USB-62401 is described here to assist in configuration and programming of the module. Functions described include A/D conversion, programmable function I/O, and others Functional Layout The USB-62401 provides 4-channel 24-bit universal analog inputs and supports seven input modes, including voltage input, current input, thermocouple, RTD, full bridge, half bridge, and resistance measurement. -
Page 38: Ground-Referenced Signal Source
3.2.2 Ground-Referenced Signal Source Connected in some way to the existing ground system, to a common ground point with respect to the USB DAQ, when the computer is connected to the same power system. Non-isolated output of instruments and devices connected to the existing power systems are ground-referenced signal sources. -
Page 39: Current Input Mode
GND as well as the negative input of the Instrumentation Amplifier without any resistors. Connection of a floating signal source to the USB-62401 in differential input mode is as shown. Figure 3-3: Floating Source and Differential Input 3.3.2... -
Page 40: Full Bridge And Half Bridge Input Mode
A bridge-based transducer is a passive device, requiring voltage exci- tation to convert the resistive change to an electrical signal. The USB-62401 provides a steady 2.5V excitation voltage for each analog input channel in full bridge and half bridge modes. For half-bridge trans- ducer, USB-62401 has built-in precision 20kΩ... -
Page 41: Thermocouple Input Mode
(CJC). CJC reading is available by software API with data in °C. The CJC is in the USB-62401 module. The CJC temperature sensor is housed in the USB-62401 and requires 15 minutes’... -
Page 42: Rtd Input Mode
The resistance temperature detector (RTD) measures temperature by correlating the resistance of the RTD element with temperature. The USB-62401 can generate a steady 0.5 mA excitation current source to each channel in RTD input mode to measure cross-voltage on the RTD. -
Page 43: Figure 3-7: 4-Wire Rtd Connection
Figure 3-7: 4-Wire RTD Connection Figure 3-8: 3-Wire RTD Connection Operation... -
Page 44: Wire Resistance Mode
3.3.6 Wire Resistance Mode The USB-62401 can source precision 0.05 mA excitation current 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: V(volt) 0.00005... -
Page 45: Ai Data Format
Figure 3-10: 2-Wire Resistance Connection AI Data Format The acquired 24-bit A/D data is 2’s complement coded data format. Valid input ranges and optimum transfer characteristics are as shown. Digital Description Bipolar Analog Input Range Code Full-scale ±25 V ±12.5 V ±2.5 V ±0.3125V range... -
Page 46: Adc Sampling Rate
I/O) Polling mode benefits flexible timing and is suitable for retrieving the latest data without 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. -
Page 47: Continuous Acquisition Mode
128 in continuous acquisition mode. Please refer to UD-DASK function reference for details of corresponding software API instruction. Programmable Function I/O The USB-62401 supports powerful programmable I/O function provided by an FPGA chip, configurable as TTL DI/DO, 32-bit timer/counters, and PWM output. These signals are single-ended and 5V TTL-compliant. -
Page 48: General Purpose Timer/Counter
3.6.2 General Purpose Timer/Counter The USB-62401 is equipped with one general purpose timer/counter featuring: Count up/down controllable by hardware or software Programmable counter clock source (internal clock up to 80MHz, external clock up to 10 MHz) Programmable gate selection (hardware or software control) ... -
Page 49: General Purpose Timer/Counter Modes
3.6.3 General Purpose Timer/Counter Modes Ten programmable timer/counter modes are available. All initialize fol- lowing a software-start signal set by the software. The GPTC software reset initializes the status of the counter and reloads the initial value to the counter. The operation remains halted until software start is executed again. -
Page 50: Figure 3-12: Mode 2-Single Period Measurement
Software start Gate Count value Figure 3-12: Mode 2-Single Period Measurement Mode 3: Single Pulse-Width Measurement The counter calculates the pulse-width of the signal on GPTC_GATE in terms of GPTC_CLK. Initial count can be loaded from the software application. After software start, the counter calculates the number of active edges on GPTC_CLK when GPTC_GATE is in its active state. -
Page 51: Figure 3-14: Mode 4-Single-Gated Pulse
grammable parameters can be specified in terms of periods of the GPTC_CLK input by the software application. GPTC_GATE enables/disables calculation. When GPTC_GATE is inactive, the counter halts the current count value. Generation of a single pulse with a pulse delay of two and a pulse-width of four is shown. Software start Gate Count value... -
Page 52: Figure 3-16: Mode 6-Re-Triggered Single Pulse
Mode 6: Re-Triggered Single Pulse Generation This mode is similar to Mode 5 except that the counter generates a pulse following every active edge of GPTC_GATE. After software start, every active GPTC_GATE edge triggers a single pulse with pro- grammable delay and pulse width. Any GPTC_GATE triggers that occur when the prior pulse is not completed are ignored. -
Page 53: Figure 3-18: Mode 8-Continuous Gated Pulse
counter halts the current count value. Generation of two pulses with a pulse delay of four and a pulse-width of three is shown. S o f t w a r e s t a r t G a t e C L K C o u n t v a l u e O U T... -
Page 54: Figure 3-20: Mode 10-Pwm Output
Figure 3-20: Mode 10-PWM Output Calculation of the PWM frequency and duty cycle is as follows. Tim ebase Pulse initial Pulse length Pulse length Duty Pulse initial Pulse length Operation... -
Page 55: Calibration
Calibration The USB-62401 is factory-calibrated before shipment. The associated calibration constants of the 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 EEPROM. - Page 56 This page intentionally left blank. Calibration...
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Page 57: Important Safety Instructions
Important Safety Instructions For user safety, please read and follow all instructions, WARNINGS, CAUTIONS, and NOTES marked in this manual and on the associated equipment before handling/operating the equipment. Read these safety instructions carefully. Keep this user’s manual for future reference. ... - Page 58 Never attempt to fix the equipment. Equipment should only be serviced by qualified personnel. A Lithium-type battery may be provided for uninterrupted, backup or emergency power. Risk of explosion if battery is replaced with an incorrect type; please dispose of used batteries appropriately. WARNING: Equipment must be serviced by authorized technicians when: ...
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Page 59: Warranty Policy
Warranty Policy Thank you for choosing JYTEK. To understand your rights and enjoy all the after-sales services we offer, please read the following carefully. 1. All JYTEK products come with a limited two-year warranty: The warranty period starts on the day the product is shipped ... - Page 60 2. Our repair service is not covered by JYTEK's guarantee in the following situations: Damage caused by not following instructions in the User's Manual. Damage caused by carelessness on the user's part during product transportation. Damage caused by fire, earthquakes, floods, lightening, pollu- ...
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Page 61: Getting Service
Getting Service Customer satisfaction is our top priority. Contact 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 300 Fang chun Rd., Zhangjiang Hi-Tech Park,... - Page 62 Getting Service...
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