NI SCXI-1349 Shielded Cable Adapter Installation Guide



NI SCXI-1349 Shielded Cable Adapter Installation Guide

The installation guide for NI SCXI-1349 shielded cable adapter, the core function of which is to connect the 68 pin E-series DAQ device with the SCXI module to achieve reliable communication between the signal conditioning system and the data acquisition equipment; The document clearly defines the adapter interface, installation steps, electrical/environmental/safety specifications, and provides safety precautions and technical support channels, applicable to standard wiring deployment of SCXI chassis and DAQ devices.

Product positioning and interface

SCXI-1349 is a NI specific shielded cable adapter used to connect SCXI signal conditioning systems with 68 pin E-series DAQ devices.

Support: All SCXI chassis (1000/1001/1000DC)+non switch SCXI modules

Not supported: 61XXE series DAQ, SCXI switch module

Three interface structure:

Front panel: 68 pin male connector → connected to 68 pin shielded cable

Onboard: 50 pin male head → extended lead out

Rear: 50 pin bracket female head → connected to SCXI module

Install the required equipment

Essential Equipment Description

Computer running NI-DAQ and programming environment

SCXI-1349 adapter core adapter component

68 pin E-series DAQ data acquisition device (excluding 61XXE)

SCXI chassis 1000/1001/1000DC

SCXI module non switch type

68 pin shielded cable matching connecting cable

Small flat head screwdriver for fixing screws

Complete installation steps

Power off operation: Turn off the power of the SCXI chassis and unplug the power cord

Installation module: Insert the SCXI module into the corresponding slot of the chassis

Docking adapter: Insert the SCXI-1349 rear 50 pin female head into the module rear 50 pin male head

Fixed adapter: Lock the adapter to the back of the chassis with two screws

Connecting cable: One end of the 68 pin shielded cable is connected to the adapter, and the other end is connected to the DAQ device

Power on verification: Power on and configure the system in MAX

Key specification parameters

Electrical specifications

Maximum operating voltage: 30 Vrms/42 Vpk/60 VDC (signal+common mode)

Environmental specifications

Working temperature: 0-50 ℃

Storage temperature: -20-70 ℃

Humidity: 10-90% RH (without condensation)

Security and EMC

Safety standards: IEC 61010-1, UL 3111-1, CSA C22.2 No.1010.1

Installation category: Class I

Pollution level: 2

EMC certification: CE, C-Tick, FCC Part 15 Class A

Requirement: Shielded cables must be used to ensure compliance

Safety precautions

Prohibited from use in flammable and explosive environments

Prohibit overvoltage wiring to avoid the risk of electric shock/fire

Do not modify or replace non original parts

Equipment damage must be stopped from use

Must be used in conjunction with UL certified SCXI chassis