National Instruments CompactRIO cRIO-9025 User manual

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OPERATING INSTRUCTIONS AND SPECIFICATIONS

CompactRIO NI cRIO-9025

Intelligent Real-Time Embedded Controller for CompactRIO

Figure 1. CompactRIO cRIO-9025

This document describes how to install the NI cRIO-9025 real-time

embedded controller on a CompactRIO chassis; connect the controller to

a network; connect power; configure IP settings; install software; and use

some of the features of the controller. This document also contains

specifications for the controller.

1LEDs

2 Power Connector

3 RS-232 Serial Port

4 USB Port

5 USB Retention Standoff

6 Reset Button

7 DIP Switches

8 RJ-45 Ethernet Port 1

9 RJ-45 Ethernet Port 2

™

NI cRIO-9025

CompactRIO Real-Time Controller

DO NOT SEPARATE CONNECTORS

WHEN ENERGIZED IN

HAZARDOUS LOCATIONS

SAFE MODE

CONSOLE OUT

IP RESET

NO APP

USER1

1: POWER

2: FPGA

3: STATUS

4: USER1

INPUT

9-35 V

35 W MAX

OFF

10/100

ACT/LINK

10/100

1 2 3 4 V1

RESET ON

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cRIO-9025 Operating Instructions and Specifications 2 ni.com

For information about the chassis, refer to the chassis installation

instructions. For information about using the system after it is set up and

configured, refer to the Getting Started with CompactRIO and LabVIEW

document on the NI-RIO disc shipped with the controller. For information

about the software that you need to use this controller, go to ni.com/info

and enter the info code rdsoftwareversion.

Operate the cRIO-9025 only as described in these operating instructions.

Installing the Controller on the Chassis

Figure 2 shows the dimensions of the CompactRIO controller.

Figure 2. CompactRIO Controller, Top and Front Views with Dimensions

1 M4 Thread

77.3mm

(3.04 in.)

88.1 mm

(3.47 in.)

44.1 mm

(1.73in.)

NI cRIO-9025

CompactRIO Real-Time Controller

DO NOT SEPARATE CONNECTORS

WHEN ENERGIZED IN

HAZARDOUS LOCATIONS

1: POWER

2: FPGA

3: STATUS

4: USER1

INPUT

9-35 V

35 W MAX

OFF

10/100

ACT/LINK

10/100

1 2 3 4 V1

RESET ON

90.2 mm

(3.55 in.)

46.2 mm

(1.82 in.)

SAFE MODE

CONSOLE OUT

IP RESET

NO APP

USER1

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©National Instruments Corporation 3 cRIO-9025 Operating Instructions and Specifications

Complete the following steps to install the controller on the chassis.

1. Make sure that no power is connected to the controller or the chassis.

2. Align the controller with the chassis as shown in Figure 3.

Figure 3. Installing the Controller on the Chassis (Eight-Slot Chassis Shown)

3. Slide the controller onto the chassis connector. Press firmly to ensure

the chassis connector and the controller connector are mated.

4. Using a number 2 Phillips screwdriver, tighten the two captive screws

on the front of the controller to 1.3 N · m (11.5 lb · in.) of torque.

1 Controller

2 Captive Screws

3 Chassis Connector

4 Reconfigurable Embedded Chassis

NI cRIO-9025

CompactRIO Real-Time Controller

DO NOT SEPARATE CONNECTORS

WHEN ENERGIZED IN

HAZARDOUS LOCATIONS

SAFE MODE

CONSOLE OUT

IP RESET

NO APP

USER1

1: POWER

2: FPGA

3: STATUS

4: USER1

INPUT

9-35 V

35 W MAX

OFF

10/100

ACT/LINK

10/100

1 2 3 4 V1

RESET ON

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cRIO-9025 Operating Instructions and Specifications 4 ni.com

Connecting the Controller to a Network

Connect the controller to an Ethernet network using Ethernet port 1 on

the controller front panel. Use a standard Category 5 (CAT-5) or better

Ethernet cable to connect the controller to an Ethernet hub or a computer.

Caution To prevent data loss and to maintain the integrity of your Ethernet installation,

do not use a cable longer than 100 m. If you are using 100 Mbps Ethernet, National

Instruments recommends using a CAT-5 or better shielded twisted-pair Ethernet cable.

If you need to build your own cable, refer to the Cabling section for more

information about Ethernet cable wiring connections.

Note You will configure the IP settings and install software on the controller, as described

in the Configuring IP Settings and Installing Software on the Controller section, after

connecting power and powering the controller on.

The host computer communicates with the controller over a standard

Ethernet connection. If neither the host computer nor the CompactRIO

controller is connected to a network, you can connect the two directly.

Note You must connect Ethernet port 1 to configure the cRIO-9025. You cannot configure

the controller through Ethernet port 2.

In order to use Ethernet port 2, you must assign a static IP address to the

port using MAX. The IP address must be on a different subnet than the

IP address of Ethernet port 1. You cannot use DHCP with Ethernet port 2.

For more information about using Ethernet port 2, go to ni.com/info and

enter the info code dualenet.

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©National Instruments Corporation 5 cRIO-9025 Operating Instructions and Specifications

Wiring Power to the Controller

Caution You must install the controller on a CompactRIO chassis, or on a stand-alone

mounting kit such as the NI 9908 or NI 9909, and tighten the captive screws before you

apply power to the controller. Installing the controller while power is applied to it can cause

damage to the chassis.

The controller requires an external power supply that meets the

specifications in the Power Requirements section. The controller filters and

regulates the supplied power and provides power for all of the I/O modules

in the chassis. You must connect a power supply to at least one pair of

V and C terminals. Optionally, you can connect a power supply to the

other pair of V and C terminals. The controller draws power from the

power supply with the higher voltage. The controller has one layer of

reverse-voltage protection. Complete the following steps to connect a

power supply to the controller.

1. Install the ferrite shipped with the controller across the negative and

positive leads of the power supply, approximately 50–75 mm (2–3 in.)

from the ends of the leads near the controller. Refer to the following

figure for an illustration of this step.

Figure 4. Installing the Ferrite

2. Connect the positive lead of the power supply to the V1 or V2 terminal

and the negative lead to one of the C terminals.

3. Optionally, you can connect the positive lead of another power supply

to the other V terminal and the negative lead to one of the C terminals.

You must install the ferrite across both pairs of wires.

Note If you connect power to both V1 and V2, you must ensure that the voltage difference

between the two power inputs, measured at the controller power connector, is at least

500 mV.

Note The controller draws power from either V1 or V2 depending on which terminal has

a higher voltage. It does not draw power from both terminals. The controller switches

between V1 and V2 without affecting operation.

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cRIO-9025 Operating Instructions and Specifications 6 ni.com

Caution The C terminals are internally connected to each other. If you use two power

supplies, make sure that they share a common ground.

Caution The C terminals are internally connected to the controller chassis to prevent a

faulty ground connection from causing the chassis ground to float. If you reverse the input

voltage, the positive input voltage is connected directly to the chassis. The controller

has built-in reversed-voltage protection, but reversed voltage can damage connected

peripherals if the chassis ground is not reliably connected to earth ground.

Caution Do not tighten or loosen the terminal screws on the power connector while the

power connector is plugged into the controller or while the power supply is on.

Powering On the Controller

Turn on each power supply to the CompactRIO system. The controller runs

a power-on self test (POST). During the POST, the Power and Status LEDs

turn on. When the Status LED turns off, the POST is complete. If the LEDs

do not behave in this way when the controller powers on, refer to the

Understanding LED Indications section.

Configuring IP Settings and Installing Software

on the Controller

When you power on the controller for the first time, it boots into safe mode

because there is no software installed on it. This section describes how to

configure the IP settings and install software on the controller.

Complete the following steps.

1. Launch MAX on the host computer and expand Remote Systems in

the MAX configuration tree. MAX lists the cRIO controller as the

model name of the controller followed by the serial number, for

example, NI-cRIO9025-00108562.

Tip If the controller is on a different subnet from the host computer, it does not appear

under Remote Systems the first time you power it on. You can use the CONSOLE OUT

switch to read the IP address of the controller, and add it to Remote Systems in MAX. Refer

to the CONSOLE OUT Switch section for information about using a serial connection and

a terminal program for network configuration and troubleshooting.

The controller automatically attempts to connect to the network using

DHCP. If DHCP is not available, the controller connects to the network

with a link-local IP address with the form 169.254.x.x.

2. Select the controller under Remote Systems to see the Network

Settings tab in the middle pane of MAX.

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©National Instruments Corporation 7 cRIO-9025 Operating Instructions and Specifications

3. Enter a name for the RT target in the Name field.

4. Select settings for the RT target in the IP Settings section, then click

Apply.

Note For information about configuring network settings, refer to the Configuring

Network Settings book of the MAX Remote Systems Help. In MAX, click Help»Help

Topics»Remote Systems. On the Contents tab, browse to LabVIEW Real-Time Target

Configuration»Configuring Network Settings.

5. When you click Apply, you are prompted to reboot the controller for

the changes to take effect. Click Yes. You can also reboot the controller

by right-clicking the name under Remote Systems and selecting

Reboot.

6. After rebooting, the controller appears under Remote Systems with

the assigned name. Expand the controller and select Software.

7. Click Add/Remove Software in the toolbar to launch the LabVIEW

Real-Time Software Wizard.

8. Install LabVIEW Real-Time software and device drivers on the

controller.

After software installation, the controller automatically reboots. You

can now program it using LabVIEW Real-Time. For information about

configuring the controller to launch an embedded stand-alone application

at startup, refer to the LabVIEW Help.

For more information about setting up the controller as an RT target, refer

to the RT Getting Started Guide, available on the host computer at Start»

Programs»National Instruments»LabVIEW 8.x»LabVIEW Manuals.

For more information about configuring the controller in MAX, refer to the

MAX Help.

For information about installing and using LabVIEW FPGA, refer to the

LabVIEW FPGA User Manual.

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cRIO-9025 Operating Instructions and Specifications 8 ni.com

Connecting Serial Devices to the Controller

The controller has an RS-232 serial port to which you can connect devices

such as displays or input devices. Use the Serial VIs to read from and write

to the serial port. For more information about the Serial VIs, refer to the

LabVIEW Help.

Figure 5. Controller Serial Port

Using the Internal Real-Time Clock

The system clock of the cRIO-9025 is synchronized with the internal

high-precision real-time clock at startup. This synchronization provides

timestamp data to the controller. You can also use the internal real-time

clock to correct drift of the system clock. Refer to the Specifications section

for the accuracy specifications of the real-time clock.

Table 1. DB-9 Pin Descriptions

Pin Signal

1DCD

2RXD

3TXD

4DTR

5GND

6DSR

7RTS

8CTS

9RI

Pin 1

Pin 5

Pin 6

Pin 9

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©National Instruments Corporation 9 cRIO-9025 Operating Instructions and Specifications

Connecting USB Mass-Storage Devices to the Controller

The cRIO-9025 supports common USB mass-storage devices such as USB

Flash drives and USB-to-IDE adapters formatted with FAT16 and FAT32

file systems. LabVIEW maps USB devices to the U:, V:, W:, or X: drive,

starting with the U: drive if it is available. You can connect multiple USB

mass-storage devices to the cRIO-9025 if you use a USB hub. Refer to the

LabVIEW Help for more information.

Note If the cRIO-9025 is not in a hazardous location, you can connect and disconnect

USB devices without affecting operation.

Configuring DIP Switches

Figure 6. Controller DIP Switches

All of the DIP switches are in the OFF position when the controller is

shipped from National Instruments.

SAFE MODE Switch

The position of the SAFE MODE switch determines whether the embedded

LabVIEW Real-Time engine launches when the controller boots. If the

switch is in the OFF position, the LabVIEW Real-Time engine launches.

Keep this switch in the OFF position during normal operation. If the switch

is in the ON position when the controller boots, the controller launches only

the essential services required for updating its configuration and installing

software. The LabVIEW Real-Time engine does not launch.

Push the SAFE MODE switch to the ON position if the software on the

controller is corrupted. Even if the switch is not in the ON position, if there

is no software installed on the controller, the controller automatically boots

into safe mode. The SAFE MODE switch must be in the ON position

to reformat the drive on the controller. Refer to the Measurement &

Automation Explorer Help for more information about installing software

on the controller and reformatting the drive on the controller.

SAFE MODE

CONSOLE OUT

IP RESET

NO APP

USER1

OFFON

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