NI SCB-8 Manuel utilisateur

SCB-8 Features

2022-07-11

Contents

SCB-8 Purpose and Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Verifying the Kit Contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Other Equipment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Getting Started With the SCB-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

SCB-8 Interior. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Connecting the SCB-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Mounting Holes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Physical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Environment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Compliance and Certifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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SCB-8 Features

SCB-8 Purpose and Introduction

This document explains how to connect and use the SCB-8 with DIO connectors on

National Instruments hardware.

Caution The protection provided by this product may be impaired if it is

used in a manner not described in this document.

Figure 1. SCB-8 Connector Block

1. SCB-8

2. Cover Screws

Verifying the Kit Contents

Verify that the following components are in your kit.

SCB-8 Features

Figure 2. Kit Contents for the SCB-8

1. SCB-8

2. Cable Retention Bracket

3. SCB-8 User Guide

Other Equipment

There are several items not included in your SCB-8 kit that you need to operate the

SCB-8.

Required Items

■NI hardware with compatible Molex Nano-Pitch I/O connector

■OCuLink x4, 1 m cable (NI part number 785486-01)

Note Using an OCuLink x4 cable supplied by another manufacturer

is not recommended.

■Phillips #1 screwdriver

■ 0.125 in. flathead screwdriver

Visit ni.com for more information about these additional items.

Optional Items

■Shielded, multiconductor cable with 14–30 AWG wire

■16 position 0.1 inch dual row header

■Wire cutters

■Wire insulation stripper

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SCB-8 Features

SCB-8 Interior

Refer to the following figure for information about the interior of the SCB-8 when

connecting the SCB-8.

Figure 3. Interior of the SCB-8

GND GND

J2 J3

1 2 3 4

DIO

5 6 7 +5 V

1. 0.1 inch dual row header

2. Wall mounting screw holes

3. Cable tie loops

Connecting the SCB-8

Complete the following steps to connect and use the SCB-8 with NI hardware.

Install your NI hardware in a chassis. Refer to the hardware documentation for your

product(s) for installation instructions.

1. Remove the four cover screws with a Phillips #1 screwdriver and open the top

cover, as shown in Figure 1.

Caution Refer to the documentation for the hardware you connect

the SCB-8 to for maximum voltage specifications. Using voltages

outside of the specified range could damage the SCB-8 and any

instruments connected to it. NI is not liable for any damage resulting

from using voltages outside of the recommended range.

SCB-8 Features

2. Connect wires to the 0.1 inch dual row header pins either directly or with a

user-supplied 0.1 inch dual row header.

Caution To ensure the EMC performance specified for the

connected hardware, any wires connected to screw terminals that

exit the enclosure must be shielded. NI recommends using a

multiconductor cable with an overall shield. Terminate the cable

shield to one of the PCB mounting screws.

3. Close the top cover and tighten the four cover screws.

4. Remove the protective plastic cover from the Nano-Pitch I/O connector on the

SCB-8, if present, and connect the OCuLink x4 cable to the connector.

5. Slide the included cable retention bracket around the cable assembly and

tighten the screws to the SCB-8, as shown in the following figure.

Figure 4. SCB-8 Cable Connection

1. SCB-8

2. Cable retention bracket

3. Cable assembly

6. Connect the OCuLink x4 cable to the Nano-Pitch I/O connector on your NI

hardware and secure with the appropriate retention bracket.

When you have finished using the SCB-8, power o any external signals connected

to the SCB-8 before you power o your computer.

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SCB-8 Features

Notice Clean the hardware with a so, nonmetallic brush. Make sure that

the hardware is completely dry and free from contaminants before

returning it to service.

Mounting Holes

You can mount the SCB-8, either vertically or horizontally, on a DIN rail in an

industrial environment.

You can purchase a compatible DIN rail kit from NI using the part number

781740-01.

The SCB-8 also has two screw holes for a generic wall mount. These wall mount

holes are designed for use with a #4 or #6 panhead screw with a minimum length of

15.88 mm (0.625 in.).

Figure 5. SCB-8 Mounting Screw Holes

63.5 mm (2.5 in.)

1. DIN rail mounting screw holes

2. Wall mounting screw holes

Specifications

SCB-8 Features

Physical Characteristics

Dimensions 8.7 cm × 8.7 cm × 3.1 cm (3.4 in. × 3.4 in. × 1.2 in.)

Weight 355 g (12.5 oz)

Connector type Nano-Pitch I/O

0.1 inch dual row header

Figure 6. OCuLink x4 Connector Pin Assignments

A10

A11

A12

A13

A14

A15

A16

A17

A18

A19

A20

A21

B10

B11

B12

B13

B14

B15

B16

B17

B18

B19

B20

B21

Reserved

GND

MGT Rx+ 0

MGT Rx– 0

GND

MGT Rx+ 1

MGT Rx– 1

GND

DIO 4

DIO 5

GND

MGT REF+ / DIO 0

MGT REF– / DIO 1

GND

MGT Rx+ 2

MGT Rx– 2

GND

MGT Rx+ 3

MGT Rx– 3

GND

5.0 V

GND

MGT Tx+ 0

MGT Tx– 0

GND

MGT Tx+ 1

MGT Tx– 1

GND

DIO 6

DIO 7

GND

DIO 2

DIO 3

GND

MGT Tx+ 2

MGT Tx– 2

GND

MGT Tx+ 3

MGT Tx– 3

GND

Reserved

Figure 7. SCB-8 Pin Assignments

0 1

DIO

2 3 4 5 6 7

GND GND

+5 V

OCuLink Cable Pin Number Description 0.1 Inch Header Connection

A1 Reserved No Connection

A2 GND GND

A3 MGT Rx+ 0†No Connection

A3 MGT Rx- 0†No Connection

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SCB-8 Features

OCuLink Cable Pin Number Description 0.1 Inch Header Connection

A5 GND GND

A6 MGT Rx+ 1†No Connection

A7 MGT Rx- 1†No Connection

A8 GND GND

A9 DIO 4 DIO 4

A10 DIO 5 DIO 5

A11 GND GND

A12 MGT REF+/DIO 0 DIO 0

A13 MGT REF-/DIO 1 DIO 1

A14 GND GND

A15 MGT Rx+ 2†No Connection

A16 MGT Rx- 2†No Connection

A17 GND GND

A18 MGT Rx+ 3†No Connection

A19 MGT Rx- 3†No Connection

A20 GND GND

A21 5.0 V 5.0 V Output

B1 5.0 V 5.0 V Output

B2 GND GND

B3 MGT Tx+ 0†No Connection

B4 MGT Tx- 0†No Connection

B5 GND GND

B6 MGT Tx+ 1†No Connection

B7 MGT Tx- 1†No Connection

B8 GND GND

B9 DIO 6 DIO 6

B10 DIO 7 DIO 7

B11 GND GND

B12 DIO 2 DIO 2

B13 DIO 3 DIO 3

SCB-8 Features

OCuLink Cable Pin Number Description 0.1 Inch Header Connection

B14 GND GND

B15 MGT Tx+ 2†No Connection

B16 MGT Tx- 2†No Connection

B17 GND GND

B18 MGT Tx+ 3†No Connection

B19 MGT Tx- 3†No Connection

B20 GND GND

B21 Reserved No Connection

†MGT Rx+/- n and MGT Tx+/- n are connected on the SCB-8.

Table 1. OCuLink x4 to 0.1 Inch Header Connector Signal Mapping

Environment

Maximum altitude 2,000 m (800 mbar) (at 25 °C ambient temperature)

Pollution Degree 2

Indoor use only.

Operating Environment

Ambient temperature range 0 °C to 55 °C

Relative humidity range 10% to 90%, noncondensing

Storage Environment

Ambient temperature range -40 °C to 71 °C

Relative humidity range 5% to 95%, noncondensing

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SCB-8 Features

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