National Instruments cRIO-904 Series User Manual

USER MANUAL
cRIO-904x
Embedded CompactRIO Controller with Real-Time Processor and
Reconfigurable FPGA
This document describes the features of the cRIO-904x and contains information about
mounting and operating the device.
In this document, the cRIO-9040, cRIO-9041, cRIO-9042, cRIO-9043, cRIO-9045,
cRIO-9046, cRIO-9047, cRIO-9048, and cRIO-9049 are referred to collectively as cRIO-904x.

National Instruments cRIO-904 Series Specifications

General

Chassis Type	CompactRIO
Processor	Intel Atom
Processor Frequency	1.33 GHz
Operating System	Linux Real-Time
Memory (RAM)	2 GB
Chassis Slots	4
Weight	Varies depending on the chassis. Refer to the specific model documentation.

Summary

Configuring the cRIO-904x

Connecting to Host Computer via USB

Describes connecting the cRIO-904x to a host computer via USB.

Connecting to Host Computer via Ethernet

Details connecting the cRIO-904x to a host or network using Ethernet.

Configuring Startup Options

Explains how to set various startup options for the device.

cRIO-904x Hardware Features

Ports and Connectors Overview

Provides an overview of the physical ports and connectors.

USB 3.1 Type-C Ports

Details the USB 3.1 Type-C Dual Role and DisplayPort Alt Mode ports.

Serial Communication Ports

Describes the RS-232 and RS-485 serial ports.

cRIO-904x Buttons and LEDs

Explains the function of the device buttons and status LEDs.

System Setup and Maintenance

CMOS Battery Information

Details the CMOS battery function, warnings, and replacement.

Module Immobilization Accessory Installation

Provides instructions for installing the module immobilization accessory.

Mounting the Controller

Guides on mounting the cRIO-904x in various configurations.

BIOS Configuration and Setup

Covers resetting CMOS/BIOS and using the BIOS setup utility.

Programming Modes and I/O Operations

Choosing Your Programming Mode

Explains the different programming modes (Real-Time, Scan, FPGA).

Analog Input with NI-DAQmx

Details analog input measurements using NI-DAQmx.

Analog Output with NI-DAQmx

Details analog output generation using NI-DAQmx.

Digital Input/Output with NI-DAQmx

Details digital input and output operations using NI-DAQmx.

Counters with NI-DAQmx

Covers counter operations, timing, and applications with NI-DAQmx.