National Instruments NI PCIe-8255R Bedienungsanleitung

Getting Started with the NI PCIe-8255R

The NI PCIe-8255R (NI 8255R) is an IEEE 1394a1and IEEE 1394b interface device with

reconfigurable I/O (RIO) for PCI Express (PCIe). This document describes how to install and configure

the necessary hardware and software components to begin using the NI 8255R.

What You Need to Get Started

You need the following items to set up and use the NI 8255R:

❑NI 8255R interface device

❑IEEE 1394 camera

❑9-pin IEEE 1394 cable for connecting to IEEE 1394b cameras

❑6-pin to 9-pin cable or 6-pin to 9-pin adapter for connecting to IEEE 1394a cameras

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

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

National Instruments interface 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 Development Module

– NI Vision Builder for Automated Inspection

–LabVIEW

– LabWindows™/CVI™

– Microsoft Visual Basic

Optional Equipment

National Instruments offers a variety of products for use with the NI 8255R, including the following:

• Digital I/O cable and horizontal DIN rail terminal block (part number 778790-01)2

• Digital I/O cable and vertical DIN rail terminal block (part number 778791-01)2

• NI Vision I/O Terminal Block and Prototyping Accessory (part number 779166-01)2

• 24 V, 50 W power supply (part number 778794-01), for powering isolated outputs

• IEEE 1394 cameras

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

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

1 To connect an IEEE 1394a camera to the NI 8255R, you will need a 6-pin to 9-pin cable or a 6-pin to 9-pin adapter.

2 When using this accessory with the NI 8255R, three of the digital I/O signals on the device are not accessible. Refer to the

Connectors section of the NI PCIe-8255R User Manual for more information.

Getting Started with the NI PCIe-8255R 2 ni.com

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 PCIe-8255R 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-IMAQ driver software.

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

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

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.

©National Instruments Corporation 3 Getting Started with the NI PCIe-8255R

• 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

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

and stationary motors with permanent connections to fixed installations.

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 PCIe-8255R 4 ni.com

Unpacking

The NI 8255R 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 touching 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 8255R 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 a

list of the typical power requirements for the NI 8255R.

1. Install NI Vision Acquisition Software before installing the NI 8255R. 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.

Caution Installing a PCIe device into a PCI, PCI-X, AGP, or any non-PCIe slot can damage both the

computer motherboard and the device. If you are unsure of the difference between connector types,

do not install the device. Refer to the documentation provided by your computer manufacturer to

determine the correct slot in which to install the NI 8255R.

4. Touch a metal part of the computer to discharge any static electricity that might be on your clothes

or body. Static electricity can damage the device.

5. Choose an unused x1 or larger PCIe slot, and remove the corresponding expansion slot cover on

the back panel of the computer. Figure 1 shows the different types of expansion slots available on

most computers.

Note The NI 8255R is intended for a x1 PCIe slot. The NI 8255R will fit into, and can be used in a

x4, x8, or x16 PCIe slot.

©National Instruments Corporation 5 Getting Started with the NI PCIe-8255R

Figure 1. PC Expansion Slots

6. Remove your device from the antistatic package and gently rock the NI 8255R into the slot. The

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

Note Check that the bracket of your device aligns 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.

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 8255R. Refer to Figure 2 for

information about placement of the connectors on the NI 8255R.

1 PCI 32-bit Connector

2 PCI 64-bit and/or PCI-X Connector

3 PCIe x1 Connector

4 PCIe x16 Connector

Getting Started with the NI PCIe-8255R 6 ni.com

Figure 2. NI 8255R Connectors

9. Replace the computer cover.

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

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

11. Connect the IEEE 1394 cable to an IEEE 1394 connector on the NI 8255R front panel.

12. Plug in and power on the computer.

The NI 8255R is now installed and the camera is connected.

Wiring Isolated Output Power to the NI 8255R

Complete the following steps to connect power for the isolated outputs to the NI 8255R.

Caution Do not connect the NI 8255R isolated power to a source less than 5 VDC or greater than

30 VDC. Doing so could damage the device.

1. Complete this step if you are using the NI desktop power supply (part number 778794-01). If you

are using a power supply other than the NI desktop power supply skip this step and proceed to

step 2.

a. Disconnect the 4-position power connector from the power supply, as shown in Figure 3.

1 IEEE 1394b Bilingual Connector

2 ISO/ATX Power Status LEDs

3 IEEE 1394b Bilingual Connector

4 44-Pin D-SUB Connector

5 Camera Power ATX Connector

NI PCIe-8255R FOR PATENTS: NI.COM/PATENTS

©National Instruments Corporation 7 Getting Started with the NI PCIe-8255R

Figure 3. Removing the 4-Position Power Connector from the Power Supply

b. Depending on your connection method, reconnect the Viso and Ciso wires to one of the

following options:

•V

iso and Ciso on the 44-pin D-SUB

•V

iso and Ciso on the DIN rail terminal block

•V

iso and Ciso on the NI Vision I/O Terminal Block and Prototyping Accessory

Refer to Table 1 for a summary of the isolated power supply connections.

2. Complete this step if you are using a power supply other than the NI desktop power supply. If you

are using the NI desktop power supply, skip this step and proceed to step 3.

a. Wire the voltage output and the common-mode (ground) output of the isolated power supply

to one of the following options:

•V

iso and Ciso on the 37-pin terminal block

•V

iso and Ciso on the 44-pin D-SUB

•V

iso and Ciso on the NI Vision I/O Terminal Block and Prototyping Accessory

Refer to Table 1 for a summary of the isolated power supply connections.

1 4-Position Power Connector

2VPosition

3 C Position

4 Power Supply Wire

Table 1. Isolated Power Supply Connection Options

Connection Method Viso Ciso

Custom cable 10, 25 14, 26, 29, 33, 36, 39, 42

44-pin D-SUB to 37-pin terminal block 17, 33 12, 16, 18, 28, 32, 34

44-pin D-SUB to 37-pin NI Vision I/O

Terminal Block

Viso terminal Ciso terminal

Getting Started with the NI PCIe-8255R 8 ni.com

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

close to the connection to the NI 8255R 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 cord into an outlet. The orange LED on the NI 8255R front panel will

illuminate when the computer is on and an isolated power supply is properly connected.

Configuring the NI 8255R

After you have installed the NI 8255R and powered on the computer, the computer 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 8255R for

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

information about configuring the NI 8255R.

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

software.

1 Power Supply Output Cable 2Ferrite

©National Instruments Corporation 9 Getting Started with the NI PCIe-8255R

Specifications

The following specifications apply to the NI 8255R image acquisition 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 5 V

TTL Outputs

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

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

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

Optically Isolated Inputs and Outputs

Isolated (Current Sinking) Inputs

Number of channels ...............................................13

Input voltage range ................................................0 V to 30 V

Input ON voltage............................................3.5 V to 30 V

Input OFF voltage ..........................................0 V to 2 V

Turn-on current ..............................................7.1 mA, typical

14 mA, maximum

Maximum pulse rate ..............................................100 kHz

Minimum pulse detected........................................10 μs

Reverse polarity protection ....................................Yes, –30 V

Isolated (Current Sourcing) Outputs

Number of channels ...............................................4

On-state voltage range ...........................................5 V to 30 V, maximum

Maximum on-state voltage

drop from V ...................................................1.2 V at 100 mA

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 —

Getting Started with the NI PCIe-8255R 10 ni.com

Output current

5 V isopower ..................................................50 mA, maximum

24 V isopower ................................................100 mA, maximum

30 V isopower ................................................100 mA, maximum

Maximum pulse rate ..............................................10 kHz (maximum load resistance 100 kΩ)

Minimum pulse generated .....................................100 μs

Reverse polarity protection ....................................Yes

IEEE 1394 Interface

Number of ports .....................................................2

Speed......................................................................100, 200, 400, or 800 Mbps

PCI Express Interface

PCI Express compliance ........................................Version 1.0a

Native link width....................................................x1

Up-plugging link width availability.......................x4, x8, x16

Power Requirements

IEEE 1394 bus power1...........................................18 W, maximum (shared by both ports)

Isolated supply2......................................................5 VDC to 30 VDC

Camera interface3...................................................IEEE 1394b, compatible with IEEE 1394a cameras

Physical Characteristics

Dimensions ............................................................11.2 cm ×16.8 cm (4.4 in. × 6.6 in.)

Weight ....................................................................130 g (4.5 oz)

Environment

The NI 8255R is intended for indoor use only.

Operating temperature ........................................... 0 °C to 55 °C

Storage temperature ...............................................–20 °C to 70 °C

Relative humidity...................................................5% to 90%, noncondensing

Pollution Degree ....................................................2

Caution Do not use the NI 8255R for connection to signals within Measurement Categories II, III,

or IV.

Measurement Category ..........................................I

Approved at altitudes up to 2,000 m.

1 The bus power specification assumes that power is provided to the NI 8255R device from the host computer power supply

using the ATX power connector. If power is not supplied through the ATX power connector, camera power is supplied by the

PCIe bus and should be limited to 3 W, shared by both ports.

2 Do not draw more than 100 mA from 30 V isolated outputs. Do not draw more than 50 mA from 5 V isolated outputs.

3 To connect an IEEE 1394a camera to the NI 8255R, you will need a 6-pin to 9-pin cable or a 6-pin to 9-pin adapter.

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