Page 2 - Dimensions
NI USB-622x/625x/628x OEM User Guide 2 ni.com 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...
Page 5 - I/O Connector Pinouts; Refer to the
© National Instruments Corporation 5 NI USB-622x/625x/628x OEM User Guide 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 Use...
Page 6 - USB-6221 OEM Connector Pinout
NI USB-622x/625x/628x OEM User Guide 6 ni.com 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 AI GND AI 14 AI 7 AI GND AO GND AO GND NC AI 0 AI GND AI 9 AI 2 AO GND AI SENSE AI GND AI 11 AI 4 AI GND AI 13 AI 6 AI GND AI 15 2 4 6 8 ...
Page 7 - USB-6225 OEM Connector Pinout
© National Instruments Corporation 7 NI USB-622x/625x/628x OEM User Guide Figure 5. USB-6225 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 AO GND NC AI 0 AI GND AI 9 AI 2 AO GND AI SENSE AI GND AI 11 AI 4 AI GND AI 1...
Page 8 - USB-6229 OEM Connector Pinout
NI USB-622x/625x/628x OEM User Guide 8 ni.com Figure 6. 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 AO GND NC AI 0 AI GND AI 9 AI 2 AO GND AI SENSE AI GND AI 11 AI 4 AI GND AI 13 AI 6 AI GND AI 15 2 4 6 8 ...
Page 10 - USB-6255 OEM Connector Pinout
NI USB-622x/625x/628x OEM User Guide 10 ni.com Figure 8. USB-6255 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 AO GND APFI 0 AI 0 AI GND AI 9 AI 2 AO GND AI SENSE AI GND AI 11 AI 4 AI GND AI 13 AI 6 AI GND AI 15 2 4...
Page 12 - Default Counter/Timer Pinouts; Default Terminal Name
NI USB-622x/625x/628x OEM User Guide 12 ni.com 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 CT...
Page 13 - Attaching External LEDs; OEM devices have two LEDs that reflect the device; Schematic for External LED Circuits
© National Instruments Corporation 13 NI USB-622x/625x/628x OEM User Guide Attaching External LEDs USB-622 x /625 x /628 x 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 indica...
Page 14 - Power Switch; The power switch on the USB-622; Schematic for the Power Switch; to Ground, connects pin 2 to ground through a 100 k
NI USB-622x/625x/628x OEM User Guide 14 ni.com Power Switch The power switch on the USB-622 x /625 x /628 x OEM device powers the device on and off. Figure 11 shows the pins on the power switch and circuitry. Figure 11. Schematic for the Power Switch Pin 1, VDC In, is connected to VDC through the fu...
Page 15 - Connecting the USB-622; OEM device includes several plated mounting; Customer Mounting Holes; Caution
© National Instruments Corporation 15 NI USB-622x/625x/628x OEM User Guide Connecting the USB-622 x /625 x /628 x OEM Device to Your Chassis The USB-622 x /625 x /628 x OEM device includes several plated mounting holes that are designed for customer grounded connections, as shown in Figure 12. Cauti...
Page 16 - Replacing Fuses; OEM devices have a replaceable T 2A 250V; OEM Fuse Locations
NI USB-622x/625x/628x OEM User Guide 16 ni.com Replacing Fuses USB-622 x /625 x /628 x OEM devices have a replaceable T 2A 250V (5 × 20 mm) fuse that protects the device from overcurrent through the power connector. (USB-628 x Devices Only) USB-628 x OEM devices also have a replaceable F 2A 125V fus...
Page 17 - Device Components; OEM Components; Component
© National Instruments Corporation 17 NI USB-622x/625x/628x OEM User Guide Device Components Table 2 contains information about the components used for interfacing and interacting with the USB-622 x /625 x /628 x OEM device. Table 2. USB-622 x /625 x /628 x OEM Components Component Reference Designa...
Page 18 - Modifying the USB Device Name in Microsoft Windows; Windows Vista/XP Users; USB-6251 OEM Device in the Found New Hardware Wizard and; Note; OEM
NI USB-622x/625x/628x OEM User Guide 18 ni.com Modifying the USB Device Name in Microsoft Windows You can change how the USB-622 x /625 x /628 x 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 ...
Page 19 - both; INF File Descriptors Changed to “My Device” (Windows Vista/XP); Uninstall
© National Instruments Corporation 19 NI USB-622x/625x/628x OEM User Guide 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 unt...
Page 20 - When you reconnect and power on the device, it appears as; My Device; in; “My Device” in the Found New Hardware Wizard and
NI USB-622x/625x/628x OEM User Guide 20 ni.com 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: Fou...
Page 22 - INF File Descriptors Changed to “My Device” (Windows 2000); Save and close the INF file.
NI USB-622x/625x/628x OEM User Guide 22 ni.com 2. Edit the device INF file by opening nimioxsu.inf with a text editor. At the bottom of this file are the descriptors where Windows looks to identify the device. Locate the two lines of text that contain in quotes the descriptors for the device name yo...