National Instruments 9155 Bedienungsanleitung

USER MANUAL

NI 9155

Reconfigurable Embedded Chassis with Integrated MXI-Express (x1)

This document describes the features of the NI 9155 and contains information about mounting

and operating the device.

NI 9155

Hardware

Data

Xilinx

Virtex-5 LX85

MXI-Express

Switch

Downstream

Connection

Upstream

Connection

C Series

Module

C Series

Module

Configuring the NI 9155

You can connect the NI 9155 to a MXI-Express host system and configure the powerup

options using a MXI-Express cable.

Connecting One or More NI 9155 Chassis to the MXI-

Express Host System or a Target

Complete the following steps to connect one or more NI 9155 chassis to a MXI-Express host

system or a target.

1. Make sure the MXI-Express host system is set up and configured as described in the

MXI-Express (x1) Series User Manual.

2. If the MXI-Express host system is powered up, power it down.

3. If the NI 9155 is powered up, power it down.

4. Use a MXI-Express (x1) cable to connect the MXI-Express host system to the Upstream

port of the first NI 9155 in the chain.

5. Use a MXI-Express (x1) cable to connect the Downstream port of the first NI 9155 to the

Upstream port of the next NI 9155 in the chain.

Note The maximum number of NI 9155 chassis in a chain depends on the

system configuration. For example, a PXI system with an NI PXI-8196

controller can support four chassis per chain. Different types of systems may

support more or fewer chassis per chain. For more information about how

different system configurations can affect the maximum number of chassis in a

chain, go to ni.com/info and enter the Info Code 915xchain.

6. Power up all of the connected NI 9155 chassis.

7. Power up the MXI-Express host system.

Note Refer to the MXI-Express (x1) Series User Manual for connectivity

options and supported host devices.

Caution All connected NI 9155 chassis must have power connected before

the host system is powered up. The BIOS and OS of the host system must

detect all bus segments on the chassis side in order to configure the PCI

hierarchy. Powering connected chassis up or down while the host system is

running can cause system hangs and data corruption.

Caution Do not remove MXI-Express (x1) cables while power is connected.

Doing so can cause hangs or application errors. If a cable becomes unplugged,

plug it back in and reboot.

Configuring DIP Switches

Figure 1. DIP Switches

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

OFF

All of the DIP switches are in the OFF position when the chassis is shipped from National

Instruments.

NO FPGA APP Switch

Push the NO FPGA APP switch to the ON position to prevent a LabVIEW FPGA application

from loading at startup. The NO FPGA APP switch overrides the chassis powerup options

described in the section on chassis powerup options. After startup you can download to the

FPGA from software regardless of switch position.

USER FPGA Switches

You can define the USER FPGA switches for your application. Use the LabVIEW FPGA

Module and NI-RIO software to define the USER FPGA switches to meet the needs of your

application. Refer to the LabVIEW Help for information about programming these switches.

2| ni.com | NI 9155 User Manual

NI 9155 Features

The NI 9155 provides the following features.

Ports and Connectors

The NI 9155 provides the following ports and connectors.

INPUT

9-30 V

25W MAX

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

MXI-Express RIO

NI 9155

OFF

POWER

USER FPGA1

USER FPGA2

USER FPGA3

31 2

1. Power Connector

2. MXI Express Upstream Port

3. MXI Express Downstream Port

Power Connector

The NI 9155 has a power connector to which you can connect a primary and secondary power

supply. The following table shows the pinout for the power connector.

NI 9155 User Manual | © National Instruments | 3

Table 1. Power Connector Pinout

Pinout Pin Description

V1 Primary power input

C Common

V2 Secondary power input

C Common

Caution The C terminals are internally connected to each other, but are not

connected to chassis ground. This isolation is intended to prevent ground loops and

does not meet UL ratings for safety isolation. You can connect the C terminals to

chassis ground externally. Refer to the specifications on ni.com/manuals for

information about the power supply input range and maximum voltage from

terminal to chassis ground.

If you apply power to both the V1 and V2 inputs, the NI 9155 operates from the V1 input. If

the input voltage to V1 is insufficient, the NI 9155 operates from the V2 input.

The NI 9155 has reverse-voltage protection.

The following NI power supplies and accessories are available for the NI 9155.

Table 2. Power Accessories

Accessory Part Number

NI PS-15 Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input 781093-01

NI PS-10 Desktop Power Supply, 24 VDC, 5 A, 100-120/200-240 VAC Input 782698-01

MXI Express Port

You can use the MXI Express port on the NI 9155 to connect to a MXI Express chassis.

Complete the following steps to connect one or more NI 9155 to a MXI Express device.

1. Make sure the MXI Express device is configured and powered off.

2. Make sure the NI 9155 is powered off.

3. Connect the NI 9155 to the MXI Express device using a x1 cable.

4. Power on the MXI Express device.

5. Power on the NI 9155.

The MXI Express LINK LED on the front panel of the NI 9155 lights green when

communication is established. The LINK LED lights yellow when communication is

broken or no cable is connected.

Note The NI 9155 may not detect MXI Express devices connected while the

NI 9155 is powered on.

4| ni.com | NI 9155 User Manual

The following table shows the MXI Express cables available from NI.

Table 3. NI MXI Express Cables

Length Part Number

1 m 779500-01

3 m 779500-03

7 m 779500-07

Buttons

The NI 9155 provides the following buttons.

7654321 8

MXI-Express RIO

NI 9155

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

INPUT

9-30 V

25W MAX

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

1. CMOS Reset Button

CMOS Reset Button

The NI 9155 has a CMOS reset button that you can use to reset the CMOS and the BIOS.

LEDs

The NI 9155 provides the following LEDs.

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

POWER LED

The POWER LED is lit while the NI 9155 is powered on. This LED is a bi-color LED. When

the chassis is powered from V1, the POWER LED is lit green. When the chassis is powered

from V2, the POWER LED is lit yellow.

NI 9155 User Manual | © National Instruments | 5

USER FPGA LEDs

You can use the bi-color, yellow and green USER FPGA LEDs to help debug your application

or easily retrieve application status. Use the LabVIEW FPGA Module and NI-RIO software to

define the USER FPGA LEDs to meet the needs of your application. Refer to LabVIEW Help

for information about programming these LEDs.

Chassis Grounding Screw

The NI 9155 provides a chassis grounding screw.

7654321 8

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

INPUT

9-30 V

25W MAX

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

MXI-Express RIO

NI 9155

1. Chassis Grounding Screw

For EMC compliance, you must connect the NI 9155 to earth ground through the chassis

ground screw. Use wire that is 2.05 mm2 (12 AWG) solid copper wire with a maximum length

of 1.5 m (5 ft). Attach the wire to the earth ground of the electrode system of the facility.

Caution If you use shielded cabling to connect to a C Series module with a plastic

connector, you must attach the cable shield to the chassis grounding terminal using

1.3 mm diameter (16 AWG) or larger wire. Attach a ring lug to the wire and attach

the wire to the chassis grounding terminal. Solder the other end of the wire to the

cable shield. Use shorter wire for better EMC performance.

For more information about ground connections, visit ni.com/info and enter the Info Code

emcground.

Mounting the Device

To obtain the maximum allowable ambient temperature of 55 °C, you must mount the NI 9155

horizontally on a 35-mm DIN rail or a flat, metallic, vertical surface such as a panel or wall.

You can mount the NI 9155 directly to the surface or use the NI Panel Mounting Kit. The

following figure shows the NI 9155 mounted horizontally. Mounting the NI 9155 in other

orientations or on a nonmetallic surface can reduce the maximum allowable ambient

temperature and can affect the typical accuracy of modules in the NI 9155.

6| ni.com | NI 9155 User Manual

Figure 2. NI 9155 Horizontal Mounting

7654321 8 1

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

INPUT

9-30 V

25W MAX

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

MXI-Express RIO

NI 9155

1. Up

Note For more information about how different mounting configurations can cause

temperature derating, visit ni.com/info and enter the Info Code criomounting.

Note For more information about typical accuracy specifications for C Series

modules, visit ni.com/info and enter the Info Code criotypical.

Caution Make sure that no C Series modules are in the NI 9155 before mounting

it.

Dimensions

The following figures show the front and side dimensions of the NI 9155. For detailed

dimensional drawings and 3D models, visit ni.com/dimensions and search for the module

number.

Figure 3. NI 9155 Front Dimensions

7654321 8

88.1 mm

(3.47 in.)

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

INPUT

9-30 V

25W MAX

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

MXI-Express RIO

NI 9155

NI 9155 User Manual | © National Instruments | 7

Figure 4. NI 9155 Side Dimensions

44.1 mm

(1.73 in.)

25.0 mm

(0.98 in.)

63.1 mm

(2.48 in.)

74.6 mm

(2.94 in.)

50.8 mm

(2.00 in.)

Mounting Requirements

Your installation must meet the following requirements for cooling and cabling clearance.

Allow 50.8 mm (2.00 in.) on the top and the bottom of the NI 9155 for air circulation, as

shown in the following figure.

Figure 5. NI 9155 Cooling Dimensions

7654321 8

Cooling Outline

50.8 mm (2.00 in.)

Cooling Outline

50.8 mm (2.00 in.)

NO FPGA APP

USER FPGA1

USER FPGA2

USER FPGA3

POWER

USER FPGA1

USER FPGA2

USER FPGA3

INPUT

9-30 V

25W MAX

LINK LINK

UPSTREAM

DOWNSTREAM

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

MXI-Express RIO

NI 9155

Allow the appropriate space in front of C Series modules for cabling clearance, as shown in

the following figure. The different connector types on C Series modules require different

8| ni.com | NI 9155 User Manual

cabling clearances. For a complete list of cabling clearances for C Series modules, visit

ni.com/info and enter the Info Code crioconn.

Figure 6. NI 9155 Cabling Clearance

Cabling

Clearance

Ambient Temperature

Measure the ambient temperature at each side of the NI 9155, 63.5 mm (2.50 in.) from the side

and 50.8 mm (2.00 in.) forward from the rear of the NI 9155, as shown in the following figure.

Figure 7. NI 9155 Ambient Temperature Location

50.8 mm

(2.00 in.)

50.8 mm

(2.00 in.)

63.5 mm

(2.50 in.)

63.5 mm

(2.50 in.)

1. Location for measuring the ambient temperature

Mounting the Device on a DIN Rail

You can use the NI DIN rail mounting kit to mount the NI 9155 on a standard 35-mm DIN

rail.

What to Use

• NI 9155

• Screwdriver, Phillips #2

• NI DIN rail mounting kit, 779018-01

– DIN rail clip

– M4x50 screw (x2)

What to Do

Complete the following steps to mount the NI 9155 on a DIN rail.

1. Align the NI 9155 and the DIN rail clip.

2. Fasten the DIN rail kit to the NI 9155 using the screwdriver and M4x50 screws. NI

provides these screws with the DIN rail mounting kit. Tighten the screws to a maximum

torque of 1.3 N · m (11.5 lb · in.).

Note You must use the screws provided with the NI DIN rail mounting kit

because they are the correct depth and thread for the DIN rail clip.

Clipping the Device on a DIN Rail

Complete the following steps to clip the NI 9155 on a DIN rail.

1. Insert one edge of the DIN rail into the deeper opening of the DIN rail clip.

2. Press down firmly to compress the spring until the clip locks in place on the DIN rail.

Caution Ensure that no C Series modules are in the NI 9155 before removing it

from the DIN rail.

10 | ni.com | NI 9155 User Manual

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