Ver.1.01 High precision analog input terminal for USB2.0 AI-1608AY-USB This product is a USB2.0 compatible terminal module that extends the analog input function of USB port of PCs. 8ch/16bits analog inputs are employed and signal lines can be directly connected to the screw terminals in the system. Compact design to match Note PCs and excellent in mobility as operation is powered by USB bus. This product accompanies Windows driver and full-fledged data logger software “C-LOGGER”. Possible to be used as a data recording device for MATLAB or LabVIEW, with dedicated libraries. * Specifications, color and design of the products are subject to change without notice. Features Specification Conversion speed 10μsec/ch, 16bit resolution, analog Encoder Input Section input 8ch Item Specification Analog input Equipped with the analog input (10μsec/ch, 16bit, 8ch) and Isolated specification Un-Isolated digital I/O (4ch each, LVTTL level) Input type Single-Ended Input Number of input 8ch channels Compatible to USB1.1/USB2.0 and not necessary to power Input range Bipolar ±10V this product externally as the bus power is used. Maximum input rating ±20V Compatible to USB1.1/USB2.0 and capable to achieve high Input impedance 1MΩ or more Resolution 16bit speed transfer at HighSpeed (480 Mbps). Not necessary to Non-Linearity error *7 ±12LSB power this product externally as the bus power of USB is used. Conversion speed 10μsec/ch(Max.) *1 Buffer memory 1K data *6 Sampling can be driven by a clock or by various triggers Conversion start Software / external trigger trigger Sampling can be started and stopped by software or by an Conversion stop Number of sampling times / external trigger/software external trigger (timing controlled by an externally input control trigger LVTTL level (Selecting one of the rising / falling / signal edge input signal). External start signal to the DI00-pin by the software) The sampling period can be controlled by the internal clock LVTTL level (Selecting one of the rising / falling / signal edge input External stop signal to the DI01-pin by the software) (high-precision timer included on the board) or by an external LVTTL level (Selecting the rising / falling to the DI02-pin by the clock (externally input control signal). External clock signal software) Digital I/O Windows compatible driver libraries are attached. Number of input Un-Isolated input 4ch (LVTTL positive logic) *2*3 channels Using the attached driver library API-USBP(WDM) makes it Number of output Un-Isolated output 4ch (LVTTL positive logic) possible to create applications of Windows. In addition, a channels USB diagnostic program by which the operations of hardware can Bus specification USB Specification 2.0/1.1 standard be checked is provided. USB transfer rate 12Mbps (Full-speed), 480Mbps (High-speed) *4 Power supply Bus power Common section Easy-to-wire terminal connector adopted Connector 14 pin (screw-terminal) plug header Adoption of terminal connector (with screws) enables to Number of terminals 127 terminals (Max.) *5 achieve easy wiring. used at the same time Power consumption 5VDC 350mA (Max.) Software-based calibration function Operating condition 0 - 50°C, 10 - 90%RH(No condensation) Calibration of analog input can be all performed by software. Physical 64(W) x 62(D) x 24(H) (exclusive of protrusions) dimensions(mm) Apart from the adjustment information prepared before Weight 90g (Not including the USB cable, attachment) shipment, additional adjustment information can be stored Attached cable USB cable 1.8m according to the use environment. Compatible wires AWG28 - 16 *1 Conversion speed for the A/D converter. The minimum executable sampling cycle depends on the operating condition of the terminal. MATLAB and LabVIEW is supported by a plug-in of *2 You cannot use both the DI00 / DI01 / DI02-pin of digital input feature and the external start / stop signal / external clock input simultaneously. dedicated library. *3 Each input accepts TTL (5VDC) level signals. Using the dedicated library makes it possible to create each *4 The USB transfer speed depends on the host PC environment used (OS and USB host application for MATLAB and LabVIEW. controller). *5 As a USB hub is also counted as one device, you cannot just connect 127 USB terminals. *6 1K Word (1024 data) of buffer memory are implemented. If (the number of channels) x (the number of camples) ⊆ 1024 data, a sampling with a A/D converter’s conversion rate of 10μSEC/ch is a available. However, the actual amount of data that can be stored in the buffer memory will decrease: one unit of data of the buffer memory is consumed per sampling as the internal status. AI-1608AY-USB 1 0ch Unused 2ch Status 1ch 1ch data 0ch 0ch 0ch Status Status Status data data data 0ch 1ch 0ch Status Status 0ch data data Status 0ch 2ch data Status 1ch 1ch data 0ch 0ch 0ch Status Status Status data data data Ver.1.01 The following is an image of the buffer memory: Data Acquisition library for MATLAB ML-DAQ 1K Data(1024 Data) (Available for downloading (free of charge) from the CONTEC web site.) When the number of This is the library software which allows you to use our analog channels is I/O device products on MATLAB by the MathWorks. Each one function is offered in accordance with the interface which is When the integrated in MATLAB’s Data Acquisition Toolbox. number of See http://www.contec.com/mldaq/ for details and download of channels is two ML-DAQ. When the Data acquisition VI library for LabVIEW VI-DAQ number of (Available for downloading (free of charge) from the channels is CONTEC web site.) three This is a VI library to use in National Instruments LabVIEW. VI-DAQ is created with a function form similar to that of Consequently, the relationship among the number of channels, the number of samplings, LabVIEW's Data Acquisition VI, allowing you to use various and the sampling clock that can be sampled as described in the specification of the hardware is as follows: devices without complicated settings. Sampling channel number of channel number of sampling Sampling clock See http://www.contec.com/vidaq/ for details and download of 0ch 1 512 10µsec VI-DAQ. 0-1ch 2 341 20µsec 0-2ch 3 256 30µsec Cable & Connector 0-3ch 4 204 40µsec 0-4ch 5 170 50µsec 0-5ch 6 146 60µsec Connector (Option) 0-6ch 7 128 70µsec 14pin Screw Terminal Connector Set(6 pieces) : CN6-Y14 0-7ch 8 113 80µsec In the driver data software, the buffer memory is expanded to a 256 x 1024 data. However, if the number of samplings that exceeds the table above is specified, an Accessories adjustment of the sampling clock is required for the data transfer process from the device to the PC, which may prevent a sampling with the sampling clock above. *7 When the ambient temperature is 0°C or 50°C, a non-linearity error (about 0.1% of the Accessories (Option) maximum range) may occur. Bracket for USB I/O Terminal products : BRK-USB-Y When a signal source with a built-in high-speed operational amplifier is used. * Check the CONTEC’s Web site for more information on these options. Support Software Packing List Driver Library API-USBP(WDM) (Bundled) It is the library software, and which supplies command of USB terminal [AI-1608AY-USB]…1 hardware produced by our company in the form of standard Interface connector plugs…2 Win32 API function(DLL). Using programming languages First step guide…1 supporting Win32API functions, such as Visual Basic and CD-ROM *1 [API-USBP(WDM)]…1 Visual C++ etc., you can develop high-speed application USB Cable(1.8m)…1 software with feature of hardware produced by our company. USB Cable Attachment…1 In addition, you can verify the operation of hardware using Diagnostic programs. *1 The CD-ROM contains the driver software and User’s Guide. CONTEC provides download services (at Block Diagram http://www.contec.com/apiusbp/) to supply the updated drivers and differential files. 8ch Single-end Further details may be found in the help within supplied 4 Digital Input / 4 Digital Output Analog Inputs CD-ROM or the homepage of our company. CN2 CN1 < Operating environment > OS Windows Vista, XP, Server 2003, 2000, Me, 98 Multiplexer Adaptation language Visual Basic, Visual C++, Visual C#, Buffer Delphi, C++ Builder Data Logger Software C-LOGGER (Supplied: Stored on the OP API-USBP(WDM) CD-ROM) Amplifer C-LOGGER is a data logger software program compatible with our analog I/O products. This program enables the graph DC/DC display of recorded signal data, zoom observation, file saving, converter FPGA A/D Converter and dynamic transfer to the spreadsheet software “Excel”. No troublesome programming is required. CONTEC provides download services (at http://www.contec.co.jp/clogger) to supply the updated drivers. For details, refer to the C-LOGGER Users Guide or our USB 2.0 Controller website. & CPU < Operating environment > OS Windows Vista, XP, Server 2003, 2000 USB Connector AI-1608AY-USB 2 Ver.1.01 Physical Dimensions Analog Signal Connection Analog signal input types are divided into single-ended input and differential input. This product uses single-ended input fixed. The following examples show how to connect analog input signals using a flat cable and a shielded cable. Single-ended Input The following figure shows an example of flat cable connection. Connect separate signal and ground wires for each analog input channel on CN1. Terminal CN1 Cable Signal Source AI00..AI07 AGND [mm] 9 9 64 How to connect the On-terminal Connector The following figure shows an example of shield cable connection. Use shielded cable if the distance between the Connecting a terminal to a Connector signal source and product is long or if you want to provide To connect an external device to this terminal, plug the cable better protection from noise. For each analog input channel, from the device into the interface connector (CN1, CN2) shown connect the core wire to the signal line and connect the below. shielding to ground. Terminal CN1 Shield cable Signal Source AI00..AI07 CN2 CN1 AGND CAUTION If the signal source contains over 1MHz signals, the signal may effect the cross-talk noise between channels. If the product and the signal source receive noise or the distance between the product and the signal source is too long, data may not be input properly. An input analog signal should not exceed the maximum input Connector Pin Assignment voltage (relate to the product analog ground). If it exceeds CN2 CN1 the maximum voltage, the product may be damaged. AGND --- 1 14 --- AGND Connect all the unused analog input channels to analog AI07 --- 2 13 --- N.C. AI06 --- 3 ground. 12 --- AGND AI05 --- 4 11 --- N.C. AI04 --- 5 10 --- DI00 The signal connected to an input channel may fluctuate after AGND --- 6 9---DI01 AGND --- 7 switching of the multiplexer. In this case, the cable between 8---DI02 AI03 --- 8 7---DI03 AI02 --- 9 this product and the signal source can be shortened or a 6---DGND AI01 --- 10 5---DO00 buffer with a high-speed amplifier can be placed between the AI00 --- 11 4---DO01 AGND --- 12 3---DO02 product and the signal source in order to reduce the N.C. --- 13 2---DO03 AGND --- 14 1---DGND fluctuation. Digital I/O signals Connection AI00 - AI07 Analog input signal. The numbers correspond to channel numbers. AGND Common analog ground for analog input signals. DI00 - Dl03 Digital input signal. The digital I/O signal can be used .as the control signal DO00 - DO03 Digital output signal. (external trigger input signal and sampling clock input signal, DGND Common digital ground for digital I/O signals etc.), too. The following sections show examples. All the digital I/O signals are LVTTL (3.3VDC) level signals. Cable connection Digital Input Connection When connecting the product to an external device, you can 10kΩ use the supplied connector plug. Terminal CN1 Cable Target Digital Input For wiring, strip off approximately 9 - 10mm of the covered part Digital Ground of a wire rod and then insert it to the opening. After the insertion, secure the wire rod with screws. Compatible wires are AWG 28 - 16. Digital Output Connection CAUTION Terminal CN1 Cable Target Removing the connector plug by grasping the cable can Digital Output IOL=24mA break the wire. Digital Ground CAUTION 9 - 10mm Do not short the output signals to analog ground, digital - Applicable plug(accessory bundled) ground, and/or power line. Doing so may damage the 14 pin (Screw Terminal) Plug header terminal. Each input accepts TTL(5VDC) level signals. The external trigger signal is fixed to the following signal location when using C-LOGGER. DI00 : External start trigger signal input * The external stop tripper and external clock cannot be used. AI-1608AY-USB 3 14 24 62