National Instruments NI VISION PCI-8254R Bedienungsanleitung

PCI-8254R

Getting Started with the NI PCI-8254R

The NI PCI-8254R (NI 8254R) is an IEEE 1394a interface device for PCI with reconfigurable I/O

(RIO). This document describes how to install and configure the necessary hardware and software

components to begin using the NI 8254R.

What You Need to Get Started

You need the following items to set up and use the NI 8254R:

❑NI 8254R IEEE 1394a interface device

❑IEEE 1394 camera

❑IEEE 1394a cable

❑Cable for digital I/O

❑External power supply to support powering isolated outputs

❑Computer running Microsoft Windows Vista/2000/XP with at least one available PCI slot

Visit ni.com/info and enter rdvisionvista for more information about National Instruments

image acquisition device compatibility with Windows Vista.

❑NI Vision Acquisition Software 8.2.1 or later, which includes the NI-IMAQdx and NI-IMAQ I/O

driver software.

❑Optional software for developing applications:

– NI Vision Builder for Automated Inspection

– NI Vision Development Module

–LabVIEW

– LabVIEW FPGA Module

– LabWindows™/CVI™

– Microsoft Visual Basic

Optional Equipment

National Instruments offers a variety of products for use with the NI 8254R, including the following:

• Digital I/O cable and horizontal DIN rail terminal block (part number 778790-01)1

• Digital I/O cable and vertical DIN rail terminal block (part number 778791-01)1

• 24 V, 50 W power supply (part number 778794-01)

• NI Vision I/O Terminal Block and Prototyping Accessory (part number 779166-01)

• IEEE 1394 cameras

1 When using this accessory with the NI 8254R, three of the digital I/O signals on the device are not accessible. Refer to

Chapter 3, Signal Connections, of the NI PCI-8254R User Manual for more information.

Getting Started with the NI PCI-8254R 2 ni.com

• LED ringlight and constant current source (part number 778787-01)

• 12 mm fixed focal length lens (part number 778789-01)

Refer to the National Instruments catalog, visit ni.com, or call the National Instruments office nearest

you for more specific information about these products

Related Documentation

The following documents contain additional information that you may find helpful:

•NI PCI-8254R User Manual—Contains information about programming options, hardware

functionality, and signal connections.

•NI Vision Acquisition Software Release Notes—Contains information about new functionality,

minimum system requirements, and installation instructions for the NI-IMAQdx driver software.

• Measurement & Automation Explorer Help for NI-IMAQdx—Describes how to configure

NI-IMAQdx driver software, NI image acquisition devices, and cameras using Measurement &

Automation Explorer (MAX).

•NI-IMAQdx User Manual—Contains fundamental programming concepts for the NI-IMAQdx

driver software and terminology for using NI image acquisition devices.

•LabVIEW Help—This document contains reference information for the NI-IMAQ I/O shutdown

states VIs, terminal references for the configurable I/O module on the NI-IMAQ I/O device, and

parameter references for the parameters you can set for the NI-IMAQ I/O device in the Read/Write

control. To locate the information, search for NI-IMAQ I/O in the LabVIEW Help.

Safety Information

Caution The following paragraphs contain important safety information you must follow when

installing and operating the device.

Do not operate the device in a manner not specified in the documentation. Misuse of the device may

result in a hazard and may compromise the safety protection built into the device. If the device is

damaged, turn it off and do not use it until service-trained personnel can check its safety. If necessary,

return the device to National Instruments for repair.

Keep away from live circuits. Do not remove equipment covers or shields unless you are trained to do

so. If signal wires are connected to the device, hazardous voltages can exist even when the equipment is

turned off. To avoid a shock hazard, do not perform procedures involving cover or shield removal unless

you are qualified to do so. Disconnect all field power prior to removing covers or shields.

If the device is rated for use with hazardous voltages (>30 Vrms, 42.4 Vpk, or 60 Vdc), it may require a

safety earth-ground connection wire. Refer to the device specifications for maximum voltage ratings.

Because of the danger of introducing additional hazards, do not install unauthorized parts or modify

the device. Use the device only with the chassis, modules, accessories, and cables specified in the

installation instructions. All covers and filler panels must be installed while operating the device.

Do not operate the device in an explosive atmosphere or where flammable gases or fumes may be

present. Operate the device only at or below the pollution degree stated in the specifications. Pollution

©National Instruments Corporation 3 Getting Started with the NI PCI-8254R

consists of any foreign matter—solid, liquid, or gas—that may reduce dielectric strength or surface

resistivity. The following is a description of pollution degrees.

• Pollution Degree 1—No pollution or only dry, nonconductive pollution occurs. The pollution has

no effect.

• Pollution Degree 2—Normally only nonconductive pollution occurs. Occasionally, nonconductive

pollution becomes conductive because of condensation.

• Pollution Degree 3—Conductive pollution or dry, nonconductive pollution occurs. Nonconductive

pollution becomes conductive because of condensation.

Clean the device and accessories by brushing off light dust with a soft, nonmetallic brush. Remove

other contaminants with a stiff, nonmetallic brush. The unit must be completely dry and free from

contaminants before returning it to service.

Yo u must insulate signal connections for the maximum voltage for which the device is rated. Do not

exceed the maximum ratings for the device. Remove power from signal lines before connection to or

disconnection from the device.

Caution National Instruments measurement products may be classified as either Measurement

Category I or II. Operate products at or below the Measurement Category level specified in the

hardware specifications.

Measurement Category1: Measurement circuits are subjected to working voltages2and transient

stresses (overvoltage) from the circuit to which they are connected during measurement or test.

Measurement Category establishes standardized impulse withstand voltage levels that commonly occur

in electrical distribution systems. The following is a description of Measurement (Installation3)

Categories:

• Measurement Category I is for measurements performed on circuits not directly connected to the

electrical distribution system referred to as MAINS4voltage. This category is for measurements of

voltages from specially protected secondary circuits. Such voltage measurements include signal

levels, special equipment, limited-energy parts of equipment, circuits powered by regulated

low-voltage sources, and electronics.

• Measurement Category II is for measurements performed on circuits directly connected to the

electrical distribution system. This category refers to local-level electrical distribution, such as that

provided by a standard wall outlet (e.g., 115 V for U.S. or 230 V for Europe). Examples of

Measurement Category II are measurements performed on household appliances, portable tools,

and similar products.

• Measurement Category III is for measurements performed in the building installation at the

distribution level. This category refers to measurements on hard-wired equipment such as

equipment in fixed installations, distribution boards, and circuit breakers. Other examples are

1 Measurement Categories as defined in electrical safety standard IEC 61010-1.

2 Working voltage is the highest rms value of an AC or DC voltage that can occur across any particular insulation.

3 Measurement Category is also referred to as Installation Category.

4 MAINS is defined as the (hazardous live) electrical supply system to which equipment is designed to be connected for

the purpose of powering the equipment. Suitably rated measuring circuits may be connected to the MAINS for measuring

purposes.

Getting Started with the NI PCI-8254R 4 ni.com

wiring, including cables, bus-bars, junction boxes, switches, socket-outlets in the fixed installation,

and stationary motors with permanent connections to fixed installations.

• Measurement Category IV is for measurements performed at the primary electrical supply

installation (<1,000 V). Examples include electricity meters and measurements on primary

overcurrent protection devices and on ripple control units.

Unpacking

The NI 8254R ships in an antistatic package to prevent electrostatic discharge from damaging device

components. To avoid such damage in handling the device, take the following precautions:

1. Ground yourself using a grounding strap or by holding a grounded object, such as the computer

chassis.

2. Touch the antistatic package to a metal part of the computer chassis before removing the device

from the package.

Caution Never touch the exposed pins of connectors.

3. Remove the device from the package and inspect it for loose components or any other signs of

damage. Notify National Instruments if the device appears damaged in any way. Do not install

a damaged device in the computer.

Store the NI 8254R in the antistatic package when not in use.

Installation

The following instructions are for general installation. Refer to the documentation provided by your

computer manufacturer for specific instructions and warnings. Refer to the Specifications section for

typical power requirements for the NI 8254R.

1. Install NI Vision Acquisition Software before installing the NI 8254R. Refer to the

NI Vision Acquisition Software Release Notes for specific installation instructions.

2. Power off and unplug the computer.

Caution To protect yourself and the computer from electrical hazards, the computer must remain

unplugged until the installation is complete.

3. Remove the computer cover to expose the expansion slots.

4. Touch a metal part on the computer case to discharge any static electricity on your clothes or body.

Static electricity can damage the device.

5. Choose an unused PCI slot, and remove the corresponding expansion slot cover on the back panel

of the computer.

6. Remove your device from the antistatic package and gently rock the device into the slot. The

connection may be tight, but do not force the device into place.

Note Check that the bracket of your device lines up with the hole in the back panel rail of the

computer chassis.

7. Secure the device mounting bracket to the back panel rail of the computer.

©National Instruments Corporation 5 Getting Started with the NI PCI-8254R

8. To provide power to your camera, connect an unused power connector from the ATX power supply

on your computer to the Camera Power ATX connector on your NI 8254R, shown in Figure 1.

Figure 1 shows the information about placement of the connectors on the NI 8254R.

Figure 1. NI 8254R Connectors

9. Replace the computer cover.

10. Connect the IEEE 1394a cable to your camera. Refer to your camera manufacturer documentation

for specific instructions about how to connect the IEEE 1394a cable to your camera.

11. Connect the IEEE 1394a cable to an IEEE 1394a connector on the NI 8254R front panel. Refer to

Figure 1 for the location of the IEEE 1394a connectors on the NI 8254R.

12. Plug in and power on the computer.

The NI 8254R is now installed and the camera is connected.

Wiring Isolated Output Power to the NI 8254R

This section describes how to connect the NI desktop power supply for the isolated outputs (part number

778794-01) to the NI 8254R. For instructions on how to connect a separate main supply, refer to the

Connecting to the Isolated Outputs Power Supply section.

Caution Do not connect the NI 8254R isolated power to a source less than 5 VDC or greater than

30 VDC. Doing so could damage the NI 8254R.

1 IEEE 1394a Connectors

2 2-Position Isolated Outputs Power Connector

3 44-Pin D-SUB Connector

4 Camera Power ATX Connector

N114

Getting Started with the NI PCI-8254R 6 ni.com

To connect power for the isolated outputs to the NI 8254R, refer to Figures 2 through 6 while completing

the following steps:

1. If you are using the NI desktop power supply, remove the 4-position power connector connected to

the power supply, shown in Figure 2.

a. Reconnect the wire that was connected to the V position on the 4-position power connector to

the V position on the 2-position isolated outputs power connector, shown in Figure 3.

b. Reconnect the wire that was connected to the C position on the 4-position power connector to

the C position on the 2-position isolated outputs power connector, shown in Figure 3.

Figure 2. Removing the 4-Position Power Connector from the Power Supply

Figure 3. Connecting the 2-Position Power Connector to the Power Supply

2. Plug the 2-position isolated outputs power connector from the power supply into the power

receptacle on the NI 8254R.

1 4-Position Power Connector

2VPosition

3 C Position

4 Power Supply Wire and Optional Ferrule

1 2-Position Isolated Outputs Power Connector

2CPosition

3 V Position

4 Power Supply Wire and Optional Ferrule

©National Instruments Corporation 7 Getting Started with the NI PCI-8254R

3. (Optional) To suppress electromagnetic interference, install a ferrite on the power supply cable as

close to the connection to the NI 8254R as possible. Wrap the power supply cable around the ferrite

two times, as shown in Figures 4 and 5.

Figure 4. Installing a Ferrite Connector on the Power Supply Cable

Figure 5. Closed Ferrite on the Power Supply Cable

4. Plug the power supply cable into the power supply.

5. Plug the power supply cord into an outlet.

1 Power Supply Output Cable

2 Ferrite

3 2-Position Power Connector

1 Power Supply Output Cable

2 Ferrite

3 2-Position Power Connector

Getting Started with the NI PCI-8254R 8 ni.com

Figure 6. Wiring Power to the NI 8254R

Connecting to the Isolated Outputs Power Supply

If you use a power supply other than the NI desktop power supply, follow the instructions in this section

to connect power to the NI 8254R.

Note If you are not using the NI desktop power supply, you can optionally use 0.75 mm2, 18 AWG

ferrules according to the manufacturer specifications to terminate the wires leading to the 2-position

power connector, shown in Figure 7. Ferrules are available from Phoenix Contact (part number

3200519).

Figure 7. Wiring a Third-Party Power Supply to the 2-Position Power Connector

Caution Do not connect the NI 8254R isolated power to a source less than 5 VDC or greater than

30 VDC. Doing so could damage the NI 8254R.

1 2-Position Isolated Outputs Power Connector

2 Ferrite (Optional)

3 NI Desktop Power Supply

4 Power Supply Cord (to Outlet)

1 2-Position Power Connector 2 Optional Ferrule 3 Power Supply Wires

To Outlet

1 2 3

©National Instruments Corporation 9 Getting Started with the NI PCI-8254R

The NI 8254R ships with a 2-position power connector that plugs directly into the isolated outputs

power input connector on the NI 8254R. To wire power to the 2-position connector, complete the

following steps:

1. Wire the voltage output of the isolated power supply to the isolated outputs power input, labeled V,

on the 2-position connector.

2. Wire the common-mode signal (ground) output of the power supply to the isolated outputs

common-mode signal input, labeled C, on the 2-position connector.

Configuring the NI 8254R

After you have installed the NI 8254R and powered on your computer, Windows will recognize the

device and assign resources to it. Use Measurement & Automation Explorer (MAX), the National

Instruments configuration utility, to configure the IEEE 1394 camera connected to the NI 8254R for

acquisition. Refer to the Measurement & Automation Explorer Help for NI-IMAQdx for additional

information about configuring the NI 8254R.

Note Before configuring the device in MAX, ensure that you installed the NI-IMAQdx driver

software.

Specifications

The following specifications apply to the NI IEEE 1394a interface device. These specifications are

typical at 25 °C, unless otherwise stated.

TTL Inputs and Outputs

Digital logic levels

TTL Inputs

Number of channels ...............................................2

Maximum pulse rate ..............................................2 MHz

Minimum pulse detected........................................500 ns

Power-on state........................................................Input (high-impedance) 61.9 kΩpull-up to 5V

TTL Outputs

Number of channels ...............................................10

Output voltage range..............................................0 V to 5 V

Maximum pulse rate ..............................................2 MHz

Level Minimum Maximum

Input low voltage (VIL)0 V 0.5 V

Input high voltage (VIH)2.2 V 5 V

Output low voltage (VOL), at 5 mA —0.4 V

Output high voltage (VOH), at 5 mA 2.4 V —

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