National Instruments USB-6501 OEM инструкция обслуживания

USER GUIDE USB-6501 OEM This user guide describes how to use the National Instruments USB-6501 OEM data acquisition (DA Q) de vice. The NI USB-6501 OEM is a full-speed USB 2.0 de vice that provides 24 DIO channels and a 32-bit counter . Dimensional Drawings Figure 1 shows a top view of the US B-6501 OEM. Fig ure 2 shows the front and rear dimension[...]

USB-6501 OEM U ser Guide 2 ni.com Figure 2. USB-6501 OEM Dimensions (Front and Rear Views) Block Diagram Figure 3 shows key functional compo nents of the USB-6501 OEM device. Figure 3. Device Bl ock Diagram Refer to the Safety G uidelines section of this document for im portant safety information. Installing Software To install the driver software [...]

© National Instruments Corporatio n 3 USB-6501 OEM User Guide I/O Connector and Cable Use any 34-pin female IDC (ribbon) cable to connect to th e IDC connector on the USB-6501 OEM device. Table 1 lists the pin assignments and sign al names for the IDC connector. Table 1. Pin Assignments Signal Pin Connector Pin Signal P1.0 1 2 GND P1.1 3 4 P2.0 P1[...]

USB-6501 OEM U ser Guide 4 ni.com Signal Descriptions Table 2 describes the signals available on the I/O connectors. Digital I/O The USB-6501 OEM has 24 single-ended digital lines, P0.<0..7>, P1.<0..7>, and P2.<0.. 7>, which com p rise the three DIO ports. P2.7 can also function as a 32-bit counter. Refer to the Event Counter sect[...]

© National Instruments Corporatio n 5 USB-6501 OEM User Guide Figure 4. Example of Connecting Extern al User -Provided Resistor Complete the following steps to determine the v alue of the user-provided pull-up resistor: 1. Place an ammeter in se ries with the load. 2. Place a v ariable resistor between th e digital output line and the +5 V . 3. Ad[...]

USB-6501 OEM U ser Guide 6 ni.com Figure 5. Example of Connecting a Load Caution Exceeding the maximum input voltage ratin gs or maximum output ratings, which are listed in the Specifications section, can damage the D A Q de vice and the computer . National Instruments is not liable for any damage resulting from such signal connections. I/O Protect[...]

© National Instruments Corporatio n 7 USB-6501 OEM User Guide Power - On States At system startup and reset, the hardware sets all DIO lines to high-impedance inputs. The DAQ devi ce does not drive the signal high or low. Each line has a weak pu ll-up resistor connected to it. Event Counter You can configure P2.7 as the source for a 32-bit counter[...]

USB-6501 OEM U ser Guide 8 ni.com Pull-up resistor .................... ................ ....4.7 k Ω VBus (nominally 5 V) Absolute voltage range .................. .........– 0.5 to 5.8 V with respect to GND Power-on state .............. ........... ...............Input (high impedance) Digital logic lev els Counter Number of counters .........[...]

© National Instruments Corporatio n 9 USB-6501 OEM User Guide Power Requirements USB 4.10 to 5.25 VDC ..................... ....... 80 mA typical, 500 mA max USB Suspend ........ .............. ............ 300 µ A standby mode, 500 µ Am a x Physical Characteristics Dimensions ............ .............. .............. .... 5.74 cm × 6.73 cm ×[...]

USB-6501 OEM User Guide 10 ni.com specially protected secondary circuits . Such voltage measureme nts include signal le vels , special equipment, limited-energ y parts of equipment, circuits powered b y regulated lo w-v oltage sources, and electronics. Caution Do not use this module for connection to signals or for measurement s within Measurement [...]

© National Instruments Corporation 11 USB-6501 OEM User Guide Note Refer to the Declaration of Conformity (DoC) for this product fo r any additional regulatory compliance informatio n. T o obtain the DoC for this product, visit ni.com/certification , search b y model number or product line, and click the appropriate link in the Certification colum[...]

USB-6501 OEM User Guide 12 ni.com A void contact between your bo dy and the connector block signal w hen hot swapping modules. Remove po wer from signal lines b efore connecting them to or disconnecting them from the device. Operate the device at or belo w the Measurement Category I 1 . Measurement circuits are subjected to working v oltages 2 and [...]

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