National Instruments USB-6221 OEM Manual de usuario

USER GUIDE

NI USB-6221/6229/6251/6259 OEM

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.

Caution There are no product safety, electromagnetic compatibility (EMC), or

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.

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-6221/6251 USB-6229/6259

NI USB-6221/6229/6251/6259 OEM User Guide 2 ni.com

Dimensions

Figure 2 shows the dimensions of the USB-6221/6251 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 (1.57)

0.000 (0.00)

0.396 (10.06)

0.304 (7.72)

0.256 (6.50)

0.116 (2.95)

0.000 (0.00)

6.950 (176.53)

4x 6.718 (170.63)

6.270 (159.26)

6.140 (155.96)

5.930 (150.62)

0.000 (0.00)

0.200 (5.08)

2.072 (52.63)

3.296 (83.72)

4.780 (121.41)

6.200 (157.48)

6.400 (162.56)

0.393 (9.98) 0.200 (5.08)

0.918 (23.32)

4.110 (104.39)

3.734 (94.84)

3.730 (94.74)

3.180 (80.77)

3.220 (81.79)

3.198 (81.22)

6.013 (152.74)

5.900 (149.86)

5.210 (132.33)

0.390 (9.91)

1.057 (26.85)

1.750 (44.45)

2.300 (58.42)

2.606 (66.19)

3.080 (78.23)

0.200 (5.08)

2.535 (64.39)

5.080 (129.03)

5.290 (134.37)

5.760 (146.30)

6.140 (155.96)

0.304 (7.72)

0.515 (13.08)

2X Ø 0.140 Cutout

in Panel for LEDs

Ø 0.330 Cutout in Panel

for Power Connector

2X Ø 0.156 (3.96)

7X Ø 0.125 (3.18)

4X Ø 0.110 (2.79)

©National Instruments Corporation 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 (4.11)

0.062 (1.57)

0.000 (0.00)

0.396 (10.06)

0.304 (7.72)

0.256 (6.50)

0.116 (2.95)

0.000 (0.00)

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)

0.000 (0.00)

0.200 (5.08)

2.072 (52.63)

3.296 (83.72)

4.780 (121.41)

6.200 (157.48)

6.400 (162.56)

0.393 (9.98) 0.200 (5.08)

0.918 (23.32)

4.110 (104.39)

3.734 (94.84)

3.730 (94.74)

3.180 (80.77)

3.220 (81.79)

3.198 (81.22)

6.013 (152.74)

5.900 (149.86)

5.210 (132.33)

0.390 (9.91)

1.057 (26.85)

1.750 (44.45)

2.300 (58.42)

2.606 (66.19)

3.080 (78.23)

0.200 (5.08)

2.535 (64.39)

5.080 (129.03)

5.290 (134.37)

5.760 (146.30)

6.140 (155.96)

0.304 (7.72)

0.515 (13.08)

2X Ø 0.140 Cutout

in Panel for LEDs

Ø 0.330 Cutout in Panel

for Power Connector

2X Ø 0.156 (3.96)

7X Ø 0.125 (3.18)

4X Ø 0.110 (2.79)

NI USB-6221/6229/6251/6259 OEM User Guide 4 ni.com

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 ni.com/manuals for more

information about USB-6221/6229/6251/6259 signals and how to

connect them.

©National Instruments Corporation 5 NI USB-6221/6229/6251/6259 OEM User Guide

Figure 4. USB-6221 OEM Connector Pinout

AO 0

AO 1

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

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

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

PFI 0

PFI 1

PFI 2

PFI 3

PFI 4

PFI 5

PFI 6

PFI 7

PFI 8

PFI 9

PFI 10

PFI 11

PFI 12

PFI 13

PFI 14

PFI 15

+5 V

D GND

+5 V

Bank 0

50-Pin Digital Connector

34-Pin Analog Connector

NC = No Connect

NI USB-6221/6229/6251/6259 OEM User Guide 6 ni.com

Figure 5. USB-6229 OEM Connector Pinout

AO 0

AO 1

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

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

AO 2

AO 3

AI GND

AI 24

AI 17

AI GND

AI 26

AI 19

AI GND

AI 28

AI 21

AI GND

AI 30

AI 23

AI GND

AO GND

AI 16

AI GND

AI 25

AI 18

AO GND

AI SENSE 2

AI GND

AI 27

AI 20

AI GND

AI 29

AI 22

AI GND

AI 31

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

PFI 0

PFI 1

PFI 2

PFI 3

PFI 4

PFI 5

PFI 6

PFI 7

PFI 8

PFI 9

PFI 10

PFI 11

PFI 12

PFI 13

PFI 14

PFI 15

+5 V

D GND

+5 V

P0.8

P0.9

P0.10

P0.11

P0.12

P0.13

P0.14

P0.15

P0.16

P0.17

P0.18

P0.19

P0.20

P0.21

P0.22

P0.23

P0.24

P0.25

P0.26

P0.27

P0.28

P0.29

P0.30

P0.31

+5 V

D GND

+5 V

Bank 0

50-Pin Digital Connectors

34-Pin Analog Connectors

Bank 1

NC = No Connect NC = No Connect

©National Instruments Corporation 7 NI USB-6221/6229/6251/6259 OEM User Guide

Figure 6. USB-6251 OEM Connector Pinout

AO 0

AO 1

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

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

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

PFI 0

PFI 1

PFI 2

PFI 3

PFI 4

PFI 5

PFI 6

PFI 7

PFI 8

PFI 9

PFI 10

PFI 11

PFI 12

PFI 13

PFI 14

PFI 15

+5 V

D GND

+5 V

Bank 0

50-Pin Digital Connector

34-Pin Analog Connector

NI USB-6221/6229/6251/6259 OEM User Guide 8 ni.com

Figure 7. USB-6259 OEM Connector Pinout

AO 0

AO 1

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

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

AO 2

AO 3

AI GND

AI 24

AI 17

AI GND

AI 26

AI 19

AI GND

AI 28

AI 21

AI GND

AI 30

AI 23

AI GND

AO GND

APFI 1

AI 16

AI GND

AI 25

AI 18

AO GND

AI SENSE 2

AI GND

AI 27

AI 20

AI GND

AI 29

AI 22

AI GND

AI 31

P0.0

P0.1

P0.2

P0.3

P0.4

P0.5

P0.6

P0.7

PFI 0

PFI 1

PFI 2

PFI 3

PFI 4

PFI 5

PFI 6

PFI 7

PFI 8

PFI 9

PFI 10

PFI 11

PFI 12

PFI 13

PFI 14

PFI 15

+5 V

D GND

+5 V

P0.8

P0.9

P0.10

P0.11

P0.12

P0.13

P0.14

P0.15

P0.16

P0.17

P0.18

P0.19

P0.20

P0.21

P0.22

P0.23

P0.24

P0.25

P0.26

P0.27

P0.28

P0.29

P0.30

P0.31

+5 V

D GND

+5 V

Bank 0

50-Pin Digital Connectors

34-Pin Analog Connectors

Bank 1

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.

Three connectors on the device allow you to connect an external LED

circuit to the device. 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 ACTIVE LED, use E1 as the positive connection and E3 as the

negative connection. E1 is current limited with a 100 Ωresistor to the 3.3 V

internal supply. This configuration limits the current to approximately

16 mA into a single external LED or approximately 8 mA each when both

LEDs are on. You also can limit this current further by using external

resistors as shown in Figure 8.

Figure 8. USB-6221/6229/6251/6259 OEM LEDs

Figure 9 shows how to connect an external READY or ACTIVE LED

circuit to the device.

Figure 9. Schematics of the USB-6221/6229/6251/6259 OEM LEDs

DS1

E3 E2 E1

100 Ω

Internal

3.3 V

External

READY LED

External

ACTIVE LED

External Resistor

NI USB-6221/6229/6251/6259 OEM User Guide 10 ni.com

Power Switch

The power switch on the USB-6221/6229/6251/6259 OEM device powers

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 through the fuse (reference designator XF1).

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.

Pin 3 connects pin 2 to ground through a 100 kΩresistor when the switch

is in the Off position. This allows the internal power supply in the

USB-6221/6229/6251/6259 OEM device to safely discharge to ground

when it is powered off. Figure 11 shows a schematic of the switch.

Figure 11. Schematic of the USB-6221/6229/6251/6259 OEM Switch

Provides

Power to

Device

VDC Comes

from Fuse

XF1

Switch

123

100 kΩ

SW1

Outer

Shell

SW1 XF1

FUSE

Power to

Device

Power

Connector

100 kΩ

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