National Instruments CB-50 Installation Manual

NATIONAL
INSTRU MENTS

The Software is the Instrument

®

®

Installation Guide

CB-50 Connector Block

This guide describes how to connect your data acquisition board and the CB-50 I/O connector
block to your computer.

Introduction

With the CB-50 I/O connector block, you can easily connect analog/digital signals to the
National Instruments data acquisition boards. You can use the CB-50 with the following boards:

PC/XT, PC AT PS/2 Macintosh

AT-MIO-16 MC-MIO-16 NB-MIO-16
AT-MIO-16F-5 MC-DIO-32F NB-MIO-16X
AT-MIO-16X MC-DIO-24 NB-DIO-32F
AT-AO-6 NB-DIO-24
AT-AO-10 NB-AO-6
AT-DIO-32F NB-TIO-10
AT-DIO-24 Lab-NB
Lab-PC Lab-SE
Lab-PC+
PC-LPM-16
PC-DIO-24
PC-TIO-10

The CB-50 consists of a 0.5 m or 1.0 m ribbon cable and a connector block with 50 screw
terminals. Connector pinout information is in the user manual for each data acquisition board.
At each end, the cable has a keyed connector with a centered tab that you must align with the slot
on the mating header on the connector block or board.

____________________________
Product and company names are trademarks or trade names of their respective companies.

320104-01 © Copyright 1993, 1994 National Instruments Corporation. All rights reserved. October 1993

What Your Kit Should Contain

The CB-50 I/O connector block kit is available in three versions, depending on your
requirements:

• CB-50 with 0.5 m cable assembly

• CB-50 with 1 m cable assembly

• CB-50 without cable assembly
In addition, each version of the kit contains the following components:

• Interface assembly

- Connector block, ejector ears, and flush-mount and rack-mount brackets

• Screwdriver

• CB-50 I/O Connector Block Installation Guide
If your kit is missing any of the components or if you received the wrong version, contact

National Instruments.

Installation

Warning: Although the connectors are keyed, it is possible to force the connectors into the

header the wrong way. You must be absolutely certain that the connectors are
properly aligned. Failure to do so could cause signals to be connected to the
wrong pins, which could damage the data acquisition board and the computer.
N

ATIONAL INSTRUMENTS IS NOT LIABLE FOR DAMAGE RESULTING FROM SUCH

CONNECTIONS.

1. Plug either end of the ribbon cable into the 50-pin rear panel connector on the board. Align
the tabs and arrows as shown in Figure 1.

2