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USER GUIDE
NI USB-622x/625x/628x OEM
M Series USB-6221/6225/6229/6251/6255/6259/6281/6289 OEM Devices
This document provides dimensions, pinouts, and information
about the connectors, switch, LEDs, and chassis ground of the National
Instruments USB-6221 OEM, USB-6225 OEM, USB-6229 OEM,
USB-6251 OEM, USB-6255 OEM, USB-6259 OEM, USB-6281 OEM,
and USB-6289 OEM devices. It also explains how to modify the USB
device name in Microsoft Windows.
Caution There are no product safety, electromagnetic
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Refer to the NI 622x Specifications document for USB-6221/6225/6229 specifications, the NI 625x Specifications document for USB-6251/6255/6259 specifications, and the NI 628x Specifications document for USB-6281/6289 specifications. Refer to the M Series User Manual for more information about USB-622x/625x/628x devices. You can find all documentation at ni.com/manuals. Dimensions Figure 2 shows the dimensions of the USB-6221/6251/6281 OEM device. NI USB-622x/625x/628x OEM User Guide 2 ni.co
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4X Ø 0.110 (2.79) 6.950 (176.53) 7X 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) 5.290 (134.37) 0.396 (10.06) 0.304 (7.72) 0.256 (6.50) 0.304 (7.72) 0.116 (2.95) 0.200 (5.08) 0.000 (0.00) 0.436 (11.07) 0.392 (9.96) 0.362 (9.19) 0.609 (15.47) 0.162 (4.11) 0.515 (13.08) 0.062 (1.57) 0.442 (11.23) 0.000 (0.00) 2X Ø 0.140 Cutout in Panel for LEDs Ø 0.330 Cutout in Panel for Power Connector Figure 2. USB-6221/6251/6281 OEM Dimensions in Inches (Millime
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Figure 3 shows the dimensions of the USB-6225/6229/6255/6259/6289 OEM device. 4X Ø 0.110 (2.79) 6.950 (176.53) 7X 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) 5.839 (148.31) 5.290 (134.37) 5.499 (139.67) 0.396 (10.06) 0.304 (7.72) 0.256 (6.50) 0.304 (7.72) 0.116 (2.95) 0.200 (5.08) 0.000 (0.00) 0.436 (11.07) 0.392 (9.96) 0.362 (9.19) 0.609 (15.47) 0.162 (4.11) 0.515 (13.08) 0.062 (1.57) 0.442 (11.23) 0.000 (0.00) 2X Ø 0.140 Cutout in Panel for LED
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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, USB-6259 OEM, USB-6281 OEM, and USB-6289 OEM devices. Refer to the M Series User Manual at ni.com/manuals for more information about USB-622x/625x/628x signals and how to connect them. © National Instruments Corporation 5 NI USB-622x/625x/628x OEM User Guide
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Bank 0 50-Pin Digital Connector +5 V +5 V D 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 D GND PFI 8 D GND PFI 7 D GND PFI 6 D GND PFI 5 Bank 0 D GND PFI 4 D GND PFI 3 D GND PFI 2 D GND PFI 1 D GND PFI 0 D GND P0.7 D GND P0.6 D GND P0.5 D GND P0.4 D GND P0.3 D GND P0.2 D GND P0.1 D GND P0.0 Bank 0 34-Pin Analog Connector AI GND 34 33 AI 15 AI 7 32 31 AI GND AI 14 30 29 AI 6 AI GND 28 27 AI 13 AI 5 26 25 AI GND AI 12 24 23 AI 4 AI GND 22 21 AI 11 AI 3 20
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Bank 1 Bank 0 50-Pin Analog/Digital +5 V +5 V AI 71 50 49 AI 79 Connectors D GND PFI 15 AI 78 48 47 AI 70 D GND PFI 14 AI GND 46 45 AI 69 D GND PFI 13 AI 77 44 43 AI 76 D GND PFI 12 AI 68 42 41 AI GND D GND PFI 11 AI 67 40 39 AI 75 D GND PFI 10 AI 74 38 37 AI 66 D GND PFI 9 AI GND 36 35 AI 65 D GND PFI 8 AI 73 34 33 AI 72 D GND PFI 7 AI 64 32 31 AI GND D GND PFI 6 AI 55 30 29 AI 63 D GND PFI 5 AI 62 28 27 AI 54 D GND PFI 4 AI GND 26 25 AI 53 Bank 1 Bank 0 D GND PFI 3 AI 61 24 23 AI 60 D GND PFI
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Bank 1 Bank 0 50-Pin Digital Connectors +5 V 50 49 +5 V +5 V +5 V D GND 48 47 P0.31 D GND PFI 15 D GND 46 45 P0.30 D GND PFI 14 D GND 44 43 P0.29 D GND PFI 13 D GND 42 41 P0.28 D GND PFI 12 D GND 40 39 P0.27 D GND PFI 11 D GND 38 37 P0.26 D GND PFI 10 D GND 36 35 P0.25 D GND PFI 9 D GND 34 33 P0.24 D GND PFI 8 D GND 32 31 P0.23 D GND PFI 7 D GND 30 29 P0.22 D GND PFI 6 D GND 28 27 P0.21 D GND PFI 5 Bank 1 D GND 26 25 P0.20 D GND PFI 4 Bank 0 D GND 24 23 P0.19 D GND PFI 3 D GND 22 21 P0.18 D GND
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Bank 0 50-Pin Digital Connector +5 V +5 V D 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 D GND PFI 8 D GND PFI 7 D GND PFI 6 D GND PFI 5 Bank 0 D GND PFI 4 D GND PFI 3 D GND PFI 2 D GND PFI 1 D GND PFI 0 D GND P0.7 D GND P0.6 D GND P0.5 D GND P0.4 D GND P0.3 D GND P0.2 D GND P0.1 D GND P0.0 Bank 0 34-Pin Analog Connector AI GND 34 33 AI 15 AI 7 32 31 AI GND AI 14 30 29 AI 6 AI GND 28 27 AI 13 AI 5 26 25 AI GND AI 12 24 23 AI 4 AI GND 22 21 AI 11 AI 3 20
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Bank 1 Bank 0 50-Pin Analog/Digital +5 V +5 V AI 71 50 49 AI 79 Connectors D GND PFI 15 AI 78 48 47 AI 70 D GND PFI 14 AI GND 46 45 AI 69 D GND PFI 13 AI 77 44 43 AI 76 D GND PFI 12 AI 68 42 41 AI GND D GND PFI 11 AI 67 40 39 AI 75 D GND PFI 10 AI 74 38 37 AI 66 D GND PFI 9 AI GND 36 35 AI 65 D GND PFI 8 AI 73 34 33 AI 72 D GND PFI 7 AI 64 32 31 AI GND D GND PFI 6 AI 55 30 29 AI 63 D GND PFI 5 AI 62 28 27 AI 54 D GND PFI 4 AI GND 26 25 AI 53 Bank 1 Bank 0 D GND PFI 3 AI 61 24 23 AI 60 D GND PFI
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Bank 1 Bank 0 50-Pin Digital Connectors +5 V 50 49 +5 V +5 V +5 V D GND 48 47 P0.31 D GND PFI 15 D GND 46 45 P0.30 D GND PFI 14 D GND 44 43 P0.29 D GND PFI 13 D GND 42 41 P0.28 D GND PFI 12 D GND 40 39 P0.27 D GND PFI 11 D GND 38 37 P0.26 D GND PFI 10 D GND 36 35 P0.25 D GND PFI 9 D GND 34 33 P0.24 D GND PFI 8 D GND 32 31 P0.23 D GND PFI 7 D GND 30 29 P0.22 D GND PFI 6 D GND 28 27 P0.21 D GND PFI 5 Bank 1 D GND 26 25 P0.20 D GND PFI 4 Bank 0 D GND 24 23 P0.19 D GND PFI 3 D GND 22 21 P0.18 D GND
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Default Counter/Timer Pinouts By default, NI-DAQmx routes the counter/timer inputs and outputs to the PFI pins, shown in Table 1. Table 1. NI-DAQmx Default Counter/Timer Pins Counter/Timer Signal Default Terminal Name CTR 0 SRC PFI 8 CTR 0 GATE PFI 9 CTR 0 AUX PFI 10 CTR 0 OUT PFI 12 CTR 0 A PFI 8 CTR 0 Z PFI 9 CTR 0 B PFI 10 CTR 1 SRC PFI 3 CTR 1 GATE PFI 4 CTR 1 AUX PFI 11 CTR 1 OUT PFI 13 CTR 1 A PFI 3 CTR 1 Z PFI 4 CTR 1 B PFI 11 FREQ OUT PFI 14 NI USB-622x/625x/628x OEM User Guide 12 ni.
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Attaching External LEDs USB-622x/625x/628x 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. To connect an external READY LED, use E1 as the positive connection (+3.3 V) and E2 as the negative connection. To connect an external ACT
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XF1 Power Switch The power switch on the USB-622x/625x/628x OEM device powers the device on and off. Figure 11 shows the pins on the power switch and circuitry. 100 kΩ VDC Out VDC In to Ground 3 2 1 J4/J6/J8 SW1 100 kΩ Switch NC NC Outer Shell J4/J6/J8 XF1 SW1 1 Power to 2 Power FUSE Device 3 Connector 100 kΩ Figure 11. Schematic for the Power Switch Pin 1, VDC In, is connected to VDC through the fuse (reference designator XF1). The VDC is the voltage provided by the power supply through th
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Connecting the USB-622x/625x/628x OEM Device to Your Chassis The USB-622x/625x/628x OEM device includes several plated mounting holes that are designed for customer grounded connections, as shown in Figure 12. Caution Do not use the holes labeled A in Figure 12 as mounting holes. A A A Mounting Hole Connected A Do Not Use These to Chassis Ground as Mounting Holes Figure 12. Customer Mounting Holes (USB-6225/6229/6255/6259/6289 OEM Shown) Caution (USB-628x Devices) Exercise caution when plac
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Replacing Fuses USB-622x/625x/628x OEM devices have a replaceable T 2A 250V (5 × 20 mm) fuse that protects the device from overcurrent through the power connector. (USB-628x Devices Only) USB-628x OEM devices also have a replaceable F 2A 125V fuse that protects the device from overcurrent through the +5 V terminal(s). Replacement fuse information can be found in Table 2. To replace a broken fuse in USB-622x/625x/628x OEM devices, complete the following steps. 1. Power down and unplug the de
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Device Components Table 2 contains information about the components used for interfacing and interacting with the USB-622x/625x/628x OEM device. Table 2. USB-622x/625x/628x OEM Components Manufacturer Component Reference Designator(s) on PCB Manufacturer Part Number LEDs DS1 Dialight 553-0332 34-pin connectors (USB-6221/6251/6281 OEM) J1 3M N2534-6002RB (USB-6225/6229/6255/6259/6289 OEM) J1, J2 50-pin connectors (USB-6221/6251/6281 OEM) P1 3M N2550-6002UB (USB-6225/6229/6255/6259/6289 OEM)
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Modifying the USB Device Name in Microsoft Windows You can change how the USB-622x/625x/628x OEM device name appears when users install the device in both the Found New Hardware Wizard that appears when the device is initially installed and in the Windows Device Manager. Windows Vista/XP Users Figure 14 depicts how a USB-6251 OEM device name appears in the Found New Hardware Wizard and Windows Device Manager. Figure 14. USB-6251 OEM Device in the Found New Hardware Wizard and Device Manage
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Note New security updates to Microsoft Vista and NI-DAQ 8.6 or later create random INF files for NI hardware. Windows assigns random file numbers to all INF files, which causes the user to search through several INF files until the correct file is located. If you want to revert back, save a copy of this file as OEMx_original.inf in a different location. 2. Edit the device INF file by opening OEMx.inf with a text editor. At the bottom of this file are the descriptors where Windows looks to
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When you reconnect and power on the device, it appears as My Device in the Found New Hardware Wizard and Windows Device Manager, as shown in Figure 16. Note When the device is initially installed, the Windows alert message may display the following: Found New Hardware: M Series USB 62xx (OEM). This message appears 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. Figure 16. “My Device” in the Fou
