USB-6221 NI [National Instruments Corporation], USB-6221 Datasheet
USB-6221
Related parts for USB-6221
USB-6221 Summary of contents
Page 1
... OEM devices. USB-6221/6251 Figure 1. USB-6221/6251 OEM and USB-6225/6229/6255/6259 OEM Devices Refer to the NI 622x Specifications document for USB-6221/6225/6229 specifications and the NI 625x Specifications document for USB-6251/6255/6259 specifications. Refer to the M Series User Manual for more information about USB-622x/625x devices. You can find all ...
Page 2
... Dimensions Figure 2 shows the dimensions of the USB-6221/6251 OEM device. NI USB-622x/625x OEM User Guide 2 ni.com ...
Page 3
... National Instruments Corporation 2X Ø 0.140 Cutout in Panel for LEDs Ø 0.330 Cutout in Panel for Power Connector Figure 2. USB-6221/6251 OEM Dimensions in Inches (Millimeters Ø 0.110 (2.79) 7X Ø 0.125 (3.18) 6.140 (155.96) 5.290 (134.37) 0.304 (7.72) 0.200 (5.08) 0.609 (15.47) 0.515 (13.08) ...
Page 4
... Figure 3 shows the dimensions of the USB-6225/6229/6255/6259 OEM device. 6.950 (176.53) 4x 6.718 (170.63) 6.270 (159.26) 6.140 (155.96) 5.930 (150.62) 5.839 (148.31) 5.499 (139.67) 0.396 (10.06) 0.304 (7.72) 0.256 (6.50) 0.116 (2.95) 0.000 (0.00) 0.436 (11.07) 0.392 (9.96) 0.362 (9.19) 0.162 (4.11) 0.062 (1.57) 0.000 (0.00) Figure 3. USB-6225/6229/6255/6259 OEM Dimensions in Inches (Millimeters) NI USB-622x/625x OEM User Guide 2X Ø ...
Page 5
... I/O Connector Pinouts Figures 4 through 9 show the connector pinouts for the USB-6221 OEM, USB-6225 OEM, USB-6229 OEM, USB-6251 OEM, USB-6255 OEM, and USB-6259 OEM devices. Refer to the M Series User Manual at information about USB-622x/625x signals and how to connect them. © National Instruments Corporation ni ...
Page 6
... NI USB-622x/625x OEM User Guide 50-Pin Digital Connector Bank 0 34-Pin Analog Connector Bank 0 Figure 4. USB-6221 OEM Connector Pinout 6 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 D GND PFI 9 ...
Page 7
... GND GND GND SENSE 2 Figure 5. USB-6225 OEM Connector Pinout 7 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 D GND ...
Page 8
... AI GND GND GND GND GND Connect Figure 6. USB-6229 OEM Connector Pinout 8 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 D GND ...
Page 9
... National Instruments Corporation 50-Pin Digital Connector Bank 0 34-Pin Analog Connector Bank 0 Figure 7. USB-6251 OEM Connector Pinout 9 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 D GND PFI 9 ...
Page 10
... GND GND GND SENSE 2 Figure 8. USB-6255 OEM Connector Pinout 10 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 D GND ...
Page 11
... AI SENSE 2 AI GND 8 7 APFI 1 AI GND GND GND GND Figure 9. USB-6259 OEM Connector Pinout 11 Bank GND PFI 15 D GND PFI 14 D GND PFI 13 D GND PFI 12 D GND PFI 11 D GND PFI 10 ...
Page 12
... USB-622x/625x OEM devices have two LEDs that reflect the device state. The green READY LED indicates when the device is powered on and configured as a USB device. The yellow ACTIVE LED indicates USB bus activity. Three connectors on the device allow you to connect an external LED circuit to the device, as shown in Figure 10 ...
Page 13
... Pin 3, 100 kΩ to Ground, connects pin 2 to ground through a 100 kΩ resistor when the switch is in the Off position. 1 The power connector is designated USB-6225/6255 OEM devices USB-6221/6229 OEM devices, and J8 on USB-6251/6259 OEM devices. © National Instruments Corporation 100 kΩ ...
Page 14
... Connecting the USB-622x/625x OEM Device to Your Chassis The USB-622x/625x OEM device includes several plated mounting holes that are designed for customer grounded connections, as shown in Figure 12. Do not use the holes labeled A in Figure 12 as mounting holes. Caution Figure 12. Customer Mounting Holes (USB-6225/6229/6255/6259 OEM Shown) ...
Page 15
... OEM) Power switch SW1 250V fuse XF1 * 68-pin connectors (USB-6221 OEM) (USB-6225/6229/6255 OEM) (USB-6251 OEM) (USB-6259 OEM) * Optional mass termination connectors. These are not populated by default. Modifying the USB Device Name in Microsoft Windows You can change how the USB-622x/625x OEM device name appears when ...
Page 16
... Windows Vista/XP Users Figure 13 depicts how a USB-6251 (OEM) device name appears in the Found New Hardware Wizard and Windows Device Manager. To modify the device name in the Found New Hardware Wizard and Windows Device Manager in Microsoft Windows Vista/XP, complete the following steps. You must have NI-DAQmx 8.6 or later installed on your PC. ...
Page 17
... When the device is initially installed, the Windows alert message may display the following: Found New Hardware: M Series USB 62 xx (OEM) for a few seconds until the custom name appears and the Found New Hardware Wizard is launched. This alert message device name cannot be changed. ...
Page 18
... Modifying the INF file will not change the USB-622x/625x OEM device name in Note Measurement & Automation Explorer (MAX). NI USB-622x/625x OEM User Guide Figure 15. “My Device” in the Found New Hardware Wizard and Device Manager (Windows Vista/XP) 18 ni.com ...
Page 19
... Windows 2000 Users Figure 16 depicts how a USB-6251 (OEM) device name appears in the Found New Hardware Wizard and Windows Device Manager. To modify the device name in the Found New Hardware Wizard and Windows Device Manager in Windows 2000, complete the following steps. You must have NI-DAQmx 8.6 or later installed on your PC. ...
Page 20
... Figure 17. INF File Descriptors Changed to “My Device” (Windows 2000) Save and close the INF file the Windows Device Manager, right-click the OEM device under Data Acquisition Devices, and select Uninstall. Power down the OEM device and disconnect the USB cable from your PC Device ...
Page 21
... Note Modifying the INF file will not change the USB-622x/625x OEM device name in Measurement & Automation Explorer (MAX). National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help» ...