Instruction/ maintenance manual of the product NI USB-6251 National Instruments
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USER GUIDE NI USB-6221/6229/6251/6259 OEM This document provides dimensions, p inouts, and information about the connectors, switch, LEDs, and chassis ground of the NI USB-6221/6229/6251/62 59 OEM devices.
NI USB-6221/6229/6 251/6259 OEM User Guide 2 ni.com Dimensions Figure 2 shows the dimensions of the USB-6221/625 1 OEM device. Figure 2. USB-6221/6251 OEM Dimensions in Inches (Millimeters) 0.436 (11.07) 0.392 (9.96) 0.362 (9.19) 0.162 (4.11) 0.062 (1.
© National Instruments Corporatio n 3 NI USB-6221/6229/6251 /6259 OEM User Guide Figure 3 shows the dimensions of the USB-6229/6259 OEM device. Figure 3. USB-6229/6259 OEM Dimensions in Inches (Millimeters) 0.436 (11.07) 0.392 (9.96) 0.362 (9.19) 0.162 (4.
NI USB-6221/6229/6 251/6259 OEM User Guide 4 ni.com I/O Connector Pinouts Figures 4 through 7 show the connect or 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 ni.com/manuals for more information about USB-6221/622 9/6251/6259 signal s and how to connect them.
© National Instruments Corporatio n 5 NI USB-6221/6229/6251 /6259 OEM User Guide Figure 4. USB-6221 OEM Connector Pinout AO 0 AO 1 AI GND AI GND AI GND AI 8 AI 1 AI GND AI 10 AI 3 AI GND AI 12 AI 5 A.
NI USB-6221/6229/6 251/6259 OEM User Guide 6 ni.com Figure 5. USB-6229 OEM Connector Pinout AO 0 AO 1 AI GND AI GND AI GND AI 8 AI 1 AI GND AI 10 AI 3 AI GND AI 12 AI 5 AI GND AI 14 AI 7 AI GND AO GND.
© National Instruments Corporatio n 7 NI USB-6221/6229/6251 /6259 OEM User Guide Figure 6. USB-6251 OEM Connector Pinout AO 0 AO 1 AI GND AI GND AI GND AI 8 AI 1 AI GND AI 10 AI 3 AI GND AI 12 AI 5 A.
NI USB-6221/6229/6 251/6259 OEM User Guide 8 ni.com Figure 7. USB-6259 OEM Connector Pinout AO 0 AO 1 AI GND AI GND AI GND AI 8 AI 1 AI GND AI 10 AI 3 AI GND AI 12 AI 5 AI GND AI 14 AI 7 AI GND AO GND.
© National Instruments Corporatio n 9 NI USB-6221/6229/6251 /6259 OEM User Guide LEDs USB-6221/6229/6251/625 9 OEM devices have two LEDs that reflect the device state. The green READY LE D indicates whether the device is powered on and co nfigur ed as a USB device.
NI USB-6221/6229/6251 /6259 OEM User Guide 10 ni.com Power Switch The power switch on the USB-6221/62 29/6251/6259 OEM device po wers the device on and off. Figure 10 shows the pins on the power switch. Figure 10. Power Switch (USB-6229/6259 OEM Shown) Pin 1 is connected to VDC th rough the fuse (ref erence designator XF1).
© National Instruments Corporation 11 NI USB-6221/6229/6251 /6259 OEM User Guide Chassis Ground Chassis ground provides a connection betw een the enclosure and USB ground. D GND is connected to the chassis ground thro ugh an internal connection to hole A, shown in Figure 12.
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