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USER GUIDE
NI USB-6221/6229/6251/6259 OEM
There are no product safety, electromagnetic compatibility (EMC), or
Caution
CE marking compliance claims made for the USB-6221/6229/6251/6259 OEM devices.
Conformity to any and all compliance requirements rests with the end product supplier.
USB-6221/6251
This document provides dimensions, pinouts, and information
about the connectors, switch, LEDs, and chassis ground of the
NI USB-6221/6229/6251/6259 OEM devices.
Figure 1 shows the USB-6221/6251 OEM and USB-6229/6259 OEM
devices.
Figure 1. USB-6221/6251 and USB-6229/6259 OEM Devices
Refer to the NI 622x Specifications document for USB-6221/6229
specifications and the NI 625x Specifications document for
USB-6251/6259 specifications. Refer to the M Series User Manual for
more information about USB-6221/6229/6251/6259 devices. You can find
all documentation at
ni.com/manuals
USB-6229/6259
.
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Table of Contents
Related Manuals for National Instruments USB-6221
Summary of Contents for National Instruments USB-6221
- Page 1 There are no product safety, electromagnetic compatibility (EMC), or Caution CE marking compliance claims made for the USB-6221/6229/6251/6259 OEM devices. Conformity to any and all compliance requirements rests with the end product supplier. Figure 1 shows the USB-6221/6251 OEM and USB-6229/6259 OEM devices.
- Page 2 Dimensions Figure 2 shows the dimensions of the USB-6221/6251 OEM device. Ø 0.110 (2.79) 6.950 (176.53) Ø 0.125 (3.18) 4x 6.718 (170.63) 6.270 (159.26) 6.140 (155.96) 6.140 (155.96) 5.930 (150.62) 5.760 (146.30) 5.290 (134.37) 5.080 (129.03) Ø 0.156 (3.96) 2.535 (64.39) 0.396 (10.06)
- Page 3 0.162 (4.11) 0.515 (13.08) 0.062 (1.57) 0.000 (0.00) Ø 0.140 Cutout in Panel for LEDs Ø 0.330 Cutout in Panel for Power Connector Figure 3. USB-6229/6259 OEM Dimensions in Inches (Millimeters) © National Instruments Corporation NI USB-6221/6229/6251/6259 OEM User Guide...
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Page 4: I/O Connector Pinouts
I/O Connector Pinouts Figures 4 through 7 show the connector pinouts for the USB-6221 OEM, USB-6229 OEM, USB-6251 OEM, and USB-6259 OEM devices. Refer to the M Series User Manual at for more ni.com/manuals information about USB-6221/6229/6251/6259 signals and how to connect them. - Page 5 AI 8 AI 0 AI GND AI SENSE AI GND AI GND AO GND AO 1 AO GND AO 0 AO GND NC = No Connect Figure 4. USB-6221 OEM Connector Pinout © National Instruments Corporation NI USB-6221/6229/6251/6259 OEM User Guide...
- Page 6 AI GND AO GND AO 3 AO GND AO 1 AO GND AO 2 AO GND AO 0 AO GND NC = No Connect NC = No Connect Figure 5. USB-6229 OEM Connector Pinout NI USB-6221/6229/6251/6259 OEM User Guide ni.com...
- Page 7 AI GND AI 8 AI 0 AI GND AI SENSE AI GND APFI 0 AI GND AO GND AO 1 AO GND AO 0 AO GND Figure 6. USB-6251 OEM Connector Pinout © National Instruments Corporation NI USB-6221/6229/6251/6259 OEM User Guide...
- Page 8 AI GND APFI 0 AI GND AO GND AI GND AO GND AO 3 AO GND AO 1 AO GND AO 2 AO GND AO 0 AO GND Figure 7. USB-6259 OEM Connector Pinout NI USB-6221/6229/6251/6259 OEM User Guide ni.com...
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Page 9: Ready Led
LEDs USB-6221/6229/6251/6259 OEM devices have two LEDs that reflect the device state. The green READY LED indicates whether the device is powered on and configured as a USB device. The yellow ACTIVE LED indicates whether there is USB bus activity. -
Page 10: Power Switch
The VDC is the voltage provided by the power supply through the power connector (reference designator J4) and must be 11–30 V, 20 W. Pin 2 provides power to the circuitry on the USB-6221/6229/6251/6259 OEM device. When the switch is in the On position, the VDC power supply from pin 1 is routed to pin 2. -
Page 11: Chassis Ground
A, shown in Figure 12. The chassis ground directly connects to USB shield ground. The USB-6221/6229/6251/6259 OEM device includes several mounting holes that are plated and designed for user-configured ground connections between the device chassis ground and the appropriate system ground. -
Page 12: Device Components
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»Patents in your software, the patents.txt file on your CD, or ni.com/patents.