Related Manuals for ADLINK Technology USB-2401
Summary of Contents for ADLINK Technology USB-2401
- Page 1 USB-2401 24-bit 2kS/s USB 2.0-Based Universal Input DAQ Module User’s Manual 2.00 Manual Rev.: Revision Date: Apr 27, 2012 Part No: 50-1Z101-1000 Advance Technologies; Automate the World.
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Page 2: Revision History
Revision History Revision Release Date Description of Change(s) 2.00 Apr 27, 2012 Initial release... -
Page 3: Preface
USB-2401 Preface Copyright 2012 ADLINK Technology, Inc. This document contains proprietary information protected by copy- right. All rights are reserved. No part of this manual may be repro- duced by any mechanical, electronic, or other means in any form without prior written permission of the manufacturer. - 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 dam- age, data loss, and/or program corruption when trying to com- plete 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-2401 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
Figure 1-9: Module Stand Side Cutaway View ......17 Figure 1-10: Module Stand Front View ......... 17 Figure 2-1: USB-2401 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 ........ - Page 8 This page intentionally left blank. viii List of Figures...
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Page 9: List Of Tables
USB-2401 List of Tables Table 1-1: U-Test Interface Legend ..........10 Table 1-2: USB-2401 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 ......... - Page 10 This page intentionally left blank. List of Tables...
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Page 11: Introduction
USB-2401 Introduction 1.1 Overview The USB-2401 is a 24-bit, 4-channel simultaneous-sampling uni- versal input USB DAQ module featuring built-in signal conditioning and direct measurement of commonly used sensors, including current output transducers, thermocouple, RTD, load cell, strain gauge, and resistance. Individual channels can be programmed to measure different signal types. -
Page 12: Applications
1.3 Applications Automotive testing Laboratory research Biotech measurement I/O control 1.4 Specifications 1.4.1 General Specifications Physical, Power, and Operating Environment High speed USB 2.0 compatible, mini-USB Interface connector 156 (L) x 114 (W) x 41 (H) mm (6.14 X 4.49 X Dimensions 1.61 in.) I/O Connector... - Page 13 USB-2401 Voltage ±25V ±25V ±12.5V ±12.5V ±2.5V ±2.5V ±312.5mV ±312.5mV Current ±20mA 2.5V Thermocouple K, J, N, R, S, B, T, E 78.125mV RTD (3-wire, 4-wire) Pt 100, Pt 1000 2.5V Half-Bridge (120 , 350 ) Max. 30mV/V 78.125mV Full-Bridge (120 , 350 ) Max.
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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 USB-2401 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...
- 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 53.86180763 Full/Half-bridge...
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Page 17: Digital Input/Output
USB-2401 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 72.76746238 153.9091 71.566314 122.28421 resistance 1.4.4 Digital Input/Output I/O Specifications Number of channels... -
Page 18: Software Support
SCADA/HMI, and breakthrough proprietary software. All software options are included in the ADLINK All-in-One CD. Be sure to install the driver & utility before using the USB-2401 module. 1.6 Driver Support for Windows 1.6.1 UD-DASK UD-DASK is composed of advanced 32/64-bit kernel drivers for customized DAQ application development. - Page 19 USB-2401 Please note that only DAQPilot versions 2.3.0.712 and later can support the USB-2401. Introduction...
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Page 20: Utilities For Windows
1.7 Utilities for Windows 1.7.1 U-Test U-Test is a free and ready-to-use utility which can assist instant testing and operation of all ADLINK USB DAQ series functions with no programming. 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 21: Overview And Dimensions
USB-2401 1.8 Overview and Dimensions All dimensions shown are in millimeters (mm) NOTE: NOTE: 1.8.1 Module 41.3 Figure 1-2: USB-2401 Module Rear View Introduction... -
Page 22: Figure 1-3: Usb-2401 Module Side View
Figure 1-3: USB-2401 Module Side View Introduction... -
Page 23: Figure 1-4: Usb-2401 Module Front View
USB-2401 41.3 Figure 1-4: USB-2401 Module Front View Introduction... -
Page 24: Module Stand
1.8.2 Module Stand The multi-function USB-2401 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 25: Figure 1-7: Module In Stand Front View
USB-2401 Figure 1-7: Module In Stand Front View Introduction... -
Page 26: Figure 1-8: Module Stand Top View
20.4 20.4 Figure 1-8: Module Stand Top View Introduction... -
Page 27: Figure 1-9: Module Stand Side Cutaway View
USB-2401 Figure 1-9: Module Stand Side Cutaway View Figure 1-10: Module Stand Front View Introduction... -
Page 28: Connector Information
1.9 Connector Information The USB-2401 module is equipped with 40-pin removable screw-down terminal connectors, with pin assignment and signal description as follows. Function Function GPO0 GPO1 GPI1 GPI3 GPI0 GPI2 DGND GND1 GND3 SC1- SC3- SC1+ SC3+ EXC1 EXC3 CI1-... -
Page 29: Table 1-3: I/O Signal Description
USB-2401 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. - Page 30 This page intentionally left blank. Introduction...
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Page 31: Getting Started
2.1 Connecting the USB-2401 Module 1. Turn on the computer. 2. Connect the USB-2401 module to one USB 2.0 port on the computer using the included USB cable. 3. The first time the USB-2401 module is connected, a New Hardware message appears. -
Page 32: Device Id
If the USB-2401 module cannot be detected, the power provided by the USB port may be insufficient. The USB-2401 module is exclusively powered by the USB port and requires 400 mA @ 5 V. 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. -
Page 33: Hardware Configuration
USB-2401 2.3 Hardware Configuration remaining hardware configurations software programmable, 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-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
USB-2401 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... - Page 36 This page intentionally left blank. Getting Started...
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Page 37: Operation
USB-2401 Operation Operation of the USB-2401 is described here to assist in configuration and programming of the module. Functions described include A/D conversion, programmable function I/O, and others 3.1 Functional Layout The USB-2401 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
If the signal source is ground-referenced, the differential mode can be used for the common-mode noise rejection. Connection of ground-referenced signal sources under differential input mode is as shown. USB-2401 Amplifier Ground reference signal source Amplifier Common mode noise &... -
Page 39: Current Input Mode
100 , the negative side of the signal needs only be connected to GND as well as the negative input of the Instrumentation Amplifier without any resistors. Connection of a floating signal source to the USB-2401 in differential input mode is as shown. USB-2401... -
Page 40: Full Bridge And Half Bridge Input Mode
A bridge-based transducer is a passive device, requiring voltage excitation to convert the resistive change to an electrical signal. The USB-2401 provides a steady 2.5V excitation voltage for each analog input channel in full bridge and half bridge modes. For... -
Page 41: Thermocouple Input Mode
A thermocouple consists of two different conductors that produce a voltage proportional to a temperature difference between either end of the pair of conductors. The USB-2401 uses 78.125mV input range to acquire the thermocouple signal, and provides a precision built-in digital temperature sensor for cold junction com- pensation (CJC). -
Page 42: Rtd Input Mode
The resistance temperature detector (RTD) measures tempera- ture by correlating the resistance of the RTD element with temper- ature. The USB-2401 can generate a steady 0.5 mA excitation current source to each channel in RTD input mode to measure cross-voltage on the RTD. The actual input range is ±2.5V with a... -
Page 43: Figure 3-7: 4-Wire Rtd Connection
USB-2401 0.5mA Figure 3-7: 4-Wire RTD Connection 0.5mA Figure 3-8: 3-Wire RTD Connection Operation... -
Page 44: Wire Resistance Mode
Figure 3-9: 2-wire RTD Connection 3.3.6 Wire Resistance Mode The USB-2401 can source precision 0.05 mA excitation current to the resistor to be measured and use a 2.5V input range to acquire cross-voltage on the resistor. The formula of voltage to resistance... -
Page 45: Ai Data Format
USB-2401 0.05mA USB-2401 SC + Resistor SC - Figure 3-10: 2-Wire Resistance Connection 3.4 AI Data Format The acquired 24-bit A/D data is 2’s complement coded data for- mat. Valid input ranges and optimum transfer characteristics are as shown. Digital... -
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-2401 con- tinuously updates the latest acquired data onto a data port for spe- cific channels. Data not retrieved in time is overwritten with new data without notice. -
Page 47: Continuous Acquisition Mode
UD-DASK function reference for details of corresponding software API instruction. 3.6 Programmable Function I/O The USB-2401 supports powerful programmable I/O function pro- vided 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-2401 is equipped with one general purpose timer/coun- ter 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 con-... -
Page 49: General Purpose Timer/Counter Modes
USB-2401 3.6.3 General Purpose Timer/Counter Modes Ten programmable timer/counter modes are available. All initialize following 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 application. Operation in which initial count = 0, count-up mode is shown. 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. -
Page 51: Figure 3-14: Mode 4-Single-Gated Pulse
USB-2401 Mode 4: Single-Gated Pulse Generation This mode generates a single pulse with programmable delay and programmable pulse-width following software start. The two programmable parameters can be specified in terms of periods of the GPTC_CLK input by the software application. -
Page 52: Figure 3-15: Mode 5-Single-Triggered Pulse
Software start Gate Count value Figure 3-15: Mode 5-Single-Triggered Pulse Mode 6: Re-Triggered Single Pulse Generation This mode is similar to Mode 5 except that the counter gener- ates a pulse following every active edge of GPTC_GATE. After software start, every active GPTC_GATE edge triggers a single pulse with programmable delay and pulse width. -
Page 53: Figure 3-17: Mode 7-Single-Triggered Continuous Pulse
USB-2401 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 Figure 3-17: Mode 7-Single-Triggered Continuous Pulse... -
Page 54: Figure 3-19: Mode 9-Edge Separation Measurement
the counter value in Edge Separation Measurement mode is shown. S o f t w a r e s t a r t G a t e A U X C L K C o u n t v a l u e Figure 3-19: Mode 9-Edge Separation Measurement Mode 10: PWM Output The USB-1900 Series timer/counter can also simulate a PWM... -
Page 55: Calibration
USB-2401 Calibration The USB-2401 is factory-calibrated before shipment. The associ- ated 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
USB-2401 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: Getting Service
Address: 5215 Hellyer Avenue, #110, San Jose, CA 95138, USA Tel: +1-408-360-0200 Toll Free: +1-800-966-5200 (USA only) Fax: +1-408-360-0222 Email: info@adlinktech.com ADLINK Technology (China) Co., Ltd. Address: (201203) 300 Fang Chun Rd., Zhangjiang Hi-Tech Park, Pudong New Area, Shanghai, 201203 China Tel: +86-21-5132-8988 Fax:... - Page 60 84 Genting Lane #07-02A, Cityneon Design Centre, Singapore 349584 Tel: +65-6844-2261 Fax: +65-6844-2263 Email: singapore@adlinktech.com ADLINK Technology Singapore Pte. Ltd. (Indian Liaison Office) Address: 1st Floor, #50-56 (Between 16th/17th Cross) Margosa Plaza, Margosa Main Road, Malleswaram, Bangalore-560055, India Tel: +91-80-65605817, +91-80-42246107 Fax: +91-80-23464606 Email: india@adlinktech.com...
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