National Instruments CompactRIO cRIO-9074XT Bedienungsanleitung

USER MANUAL AND SPECIFICATIONS

NI cRIO-9074XT

Reconfigurable Embedded Chassis with Integrated Intelligent Real-

Time Controller for CompactRIO

Figure 1. CompactRIO cRIO-9074XT

NI cRIO-907x

POWER

FPGA

STATUS

USER1

DO NOT SEPARATE CABLES WHEN

ENERGIZED IN HAZARDOUS LOCATIONS

SAFE MODE

CONSOLE OUT

IP RESET

NO APP

USER1

NO FPGA

LINK

10/

100

10/

100

RESET

INPUT

19-30 V

20 W MAX

TRIGGER

1. LEDs

2. RS-232 Serial Port

3. RJ-45 Ethernet Port 2

4. RJ-45 Ethernet Port 1

5. SMB Connector

6. Power Connector

7. Reset Button

8. DIP Switches

This document describes how to connect the cRIO-9074XT to a network and how to use the

features of the cRIO-9074XT.

Safety Guidelines

Operate the cRIO-9074XT only as described in this document.

Caution Do not operate the cRIO-9074XT in a manner not specified in this

document. Product misuse can result in a hazard. You can compromise the safety

protection built into the product if the product is damaged in any way. If the product

is damaged, return it to NI for repair.

Safety Guidelines for Hazardous Locations

The cRIO-9074XT is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous

locations; Class I, Zone 2, AEx nA IIC T4 and Ex nA IIC T4 hazardous locations; and

nonhazardous locations only. Follow these guidelines if you are installing the cRIO-9074XT in

a potentially explosive environment. Not following these guidelines may result in serious

injury or death.

Caution Do not disconnect the power supply wires and connectors from the

controller unless power has been switched off.

Caution Do not disconnect I/O-side wires or connectors unless power has been

switched off or the area is known to be nonhazardous.

Caution Do not remove modules unless power has been switched off or the area is

known to be nonhazardous.

Caution Substitution of components may impair suitability for Class I, Division 2.

Caution For Division 2 and Zone 2 applications, install the system in an enclosure

rated to at least IP54 as defined by IEC/EN 60079-15.

Special Conditions for Hazardous Locations Use in Europe and

Internationally

The cRIO-9074XT has been evaluated as Ex nA IIC T4 Gc equipment under DEMKO

Certificate No. 12 ATEX 1202658X and is IECEx UL 14.0089X certified. Each device is

marked II 3G and is suitable for use in Zone 2 hazardous locations, in ambient temperatures

of -40 °C ≤ Ta ≤ 70 °C.

Caution You must make sure that transient disturbances do not exceed 140% of

the rated voltage.

Caution The system shall only be used in an area of not more than Pollution

Degree 2, as defined in IEC 60664-1.

Caution The system shall be mounted in an ATEX/IECEx-certified enclosure with

a minimum ingress protection rating of at least IP54 as defined in IEC/EN 60079-15.

2| ni.com | NI cRIO-9074XT User Manual and Specifications

Caution The enclosure must have a door or cover accessible only by the use of a

tool.

Electromagnetic Compatibility Guidelines

This product was tested and complies with the regulatory requirements and limits for

electromagnetic compatibility (EMC) stated in the product specifications. These requirements

and limits provide reasonable protection against harmful interference when the product is

operated in the intended operational electromagnetic environment.

This product is intended for use in industrial locations. However, harmful interference may

occur in some installations, when the product is connected to a peripheral device or test object,

or if the product is used in residential or commercial areas. To minimize interference with

radio and television reception and prevent unacceptable performance degradation, install and

use this product in strict accordance with the instructions in the product documentation.

Furthermore, any changes or modifications to the product not expressly approved by National

Instruments could void your authority to operate it under your local regulatory rules.

Special Conditions for Marine Applications

Some products are Lloyd’s Register (LR) Type Approved for marine (shipboard) applications.

To verify Lloyd’s Register certification for a product, visit ni.com/certification and search for

the LR certificate, or look for the Lloyd’s Register mark on the product.

Caution In order to meet the EMC requirements for marine applications, install the

product in a shielded enclosure with shielded and/or filtered power and input/output

ports. In addition, take precautions when designing, selecting, and installing

measurement probes and cables to ensure that the desired EMC performance is

attained.

What You Need to Install CompactRIO

Reconfigurable Embedded Hardware

• CompactRIO reconfigurable embedded chassis with integrated intelligent real-time

controller

• C Series I/O modules

• DIN rail mount kit (for DIN rail mounting only)

• Two M4 or number 10 panhead screws (for panel mounting only)

• A number 2 Phillips screwdriver

• Power supply

Note Visit ni.com/info and enter the Info Code rdsoftwareversion to

determine which software you need to use the cRIO-9074XT.

NI cRIO-9074XT User Manual and Specifications | © National Instruments | 3

Mounting the CompactRIO Reconfigurable

Embedded Chassis

You can mount the chassis in any orientation on a 35 mm DIN rail or on a panel. Use the DIN

rail mounting method if you already have a DIN rail configuration or if you need to be able to

quickly remove the CompactRIO chassis. Use the panel mount method for high shock and

vibration applications.

Caution Your installation must meet the following requirements for space and

cabling clearance:

• Allow 25.4 mm (1 in.) on the top and the bottom of the chassis for air

circulation.

• Allow 50.8 mm (2 in.) in front of modules for cabling clearance for common

connectors, such as the 10-terminal, detachable screw terminal connector.

Figure 2. cRIO-9074XT Bottom View with Dimensions

29.0 mm

(1.14 in.)

58.9 mm

(2.32 in.)

3.3 mm

(0.13 in.)

Cabling Clearance

50.8 mm (2.00 in.)

48.4 mm

(1.91 in.)

286.4 mm

(11.28 in.)

4| ni.com | NI cRIO-9074XT User Manual and Specifications

Figure 3. cRIO-9074XT Front View with Dimensions

165.1 mm

(6.50 in.)

3.1 mm

(0.12 in.)

51.1 mm

(2.04 in.)

36.4 mm

(1.43 in.)

19.0 mm

(0.75 in.)

NI cRIO-907x

88.1 mm

(3.47 in.)

1. Chassis grounding terminal

Figure 4. cRIO-9074XT Side View with Dimensions

3X M4X0.7

25 mm

(0.98 in.)

44 mm

(1.73 in.)

23.7 mm

(0.94 in.)

63.1 mm

(2.48 in.)

44.1 mm

(1.74 in.)

The following sections contain instructions for the mounting methods. Before using any of

these mounting methods, record the serial number from the back of the chassis. You will be

unable to read the serial number after you have mounted the chassis.

Caution Make sure that no I/O modules are in the chassis before mounting it.

NI cRIO-9074XT User Manual and Specifications | © National Instruments | 5

Mounting the Chassis on a Panel

Panel or wall mounting is the best method for applications that are subject to high shock and

vibration. You can use the NI 9905 panel mount kit to mount the cRIO-9074XT on a flat

surface. Complete the following steps.

1. Fasten the chassis to the panel mount kit using a number 2 Phillips screwdriver and two

M4 × 16 screws. NI provides these screws with the panel mount kit. You must use these

screws because they are the correct depth and thread for the panel. Tighten the screws to a

maximum torque of 1.3 N · m (11.5 lb · in.).

Figure 5. Installing the Panel Mount Accessory on the cRIO-9074XT

NI cRIO-9074

Figure 6. Dimensions of cRIO-9074XT with Panel Mount Accessory Installed

31.8 mm

(1.25 in.)

NI cRIO-9074

15.5 mm

(0.61 in.)

9.5 mm

(0.38 in.) 28.1 mm

(1.11 in.)

63.5 mm

(2.50 in.)

88.1 mm

(3.47 in.)

311.2 mm

(12.25 in.)

330.2 mm

(13.00 in.)

2. Fasten the NI 9905 panel to the wall using the screwdriver and screws that are

appropriate for the wall surface. The maximum screw size is M4 or number 8.

6| ni.com | NI cRIO-9074XT User Manual and Specifications

Caution Make sure that no I/O modules are in the chassis before removing it from

the panel.

Mounting the Chassis on a DIN Rail

You can order the NI 9915 DIN rail mount kit if you want to mount the chassis on a DIN rail.

You need one clip for mounting the chassis on a standard 35 mm DIN rail. Complete the

following steps to mount the chassis on a DIN rail.

1. Fasten the DIN rail clip to the chassis using a number 2 Phillips screwdriver and two

M4 × 16 screws. NI provides these screws with the DIN rail mount kit. Tighten the

screws to a maximum torque of 1.3 N · m (11.5 lb · in.).

Figure 7. Installing the DIN Rail Clip on the cRIO-9074XT

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

NI cRIO-9074XT User Manual and Specifications | © National Instruments | 7

Figure 8. One Edge of the DIN Rail Inserted in a Clip

1. DIN Rail Clip

2. DIN Rail

3. DIN Rail Spring

3. Press down firmly on the chassis to compress the spring until the clip locks in place on

the DIN rail.

Caution Make sure that no I/O modules are in the chassis before removing it

from the DIN rail.

Installing C Series I/O Modules in the Chassis

The following figure shows the mechanical dimensions of C Series I/O modules.

Figure 9. C Series I/O Module, Front and Side View with Dimensions

88.1 mm

(3.47 in.)

70.7 mm

(2.78 in.)

22.9 mm

(0.90 in.)

Complete the following steps to install a C Series I/O module in the chassis.

1. Make sure that no I/O-side power is connected to the I/O module. If the system is in a

nonhazardous location, the chassis power can be on when you install I/O modules.

2. Align the I/O module with an I/O module slot in the chassis. The module slots are labeled

1 to 8, left to right.

8| ni.com | NI cRIO-9074XT User Manual and Specifications

Figure 10. Installing an I/O Module in the Chassis

NI cRIO-9074

1. Insertion Groove

2. Latch

3. Squeeze the latches and insert the I/O module into the module slot.

4. Press firmly on the connector side of the I/O module until the latches lock the I/O module

into place.

5. Repeat these steps to install additional I/O modules.

Removing I/O Modules from the Chassis

Complete the following steps to remove a C Series I/O module from the chassis.

1. Make sure that no I/O-side power is connected to the I/O module. If the system is in a

nonhazardous location, the chassis power can be on when you remove I/O modules.

2. Squeeze the latches on both sides of the module and pull the module out of the chassis.

Connecting the Chassis to a Network

Connect the chassis to an Ethernet network using the RJ-45 Ethernet port on the controller

front panel. Use a standard Category 5 (CAT-5) or better shielded, twisted-pair Ethernet cable

to connect the chassis to an Ethernet hub, or use an Ethernet crossover cable to connect the

chassis directly to a computer.

NI cRIO-9074XT User Manual and Specifications | © National Instruments | 9

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

installation, do not use a cable longer than 100 m.

The first time you power up the chassis, it attempts to initiate a DHCP network connection. If

the chassis is unable to initiate a DHCP connection, it connects to the network with a link-

local IP address with the form 169.254.x.x. After powerup, you must install software on

the chassis and configure the network settings in NI Measurement & Automation Explorer

(MAX).

Note Installing software may change the network behavior of the chassis. For

information about network behavior by installed software version, go to ni.com/info

and enter the Info Code ipconfigcrio.

Connecting the Chassis to Earth Ground

You must connect the chassis grounding screw to earth ground. Complete the following steps

to connect to earth ground.

1. Attach a ring lug to a 2.0 mm2 (14 AWG) or larger wire.

2. Remove the grounding screw from the grounding terminal on the right side of the chassis.

3. Attach the ring lug to the grounding terminal.

4. Tighten the grounding screw to 0.5 N · m (4.4 lb · in.) of torque.

5. Attach the other end of the wire to the grounding electrode system of your facility using a

method appropriate for the application.

Caution If you use shielded cabling to connect to a C Series I/O module with

a plastic connector, you must attach the cable shield to the chassis grounding

terminal using 1.3 mm2 (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, go to ni.com/info and enter the Info

Code emcground.

Wiring Power to the Chassis

The cRIO-9074XT requires an external power supply that meets the specifications in the

Power Requirements section. The cRIO-9074XT filters and regulates the supplied power and

provides power for all of the I/O modules. The cRIO-9074XT has one layer of reverse-voltage

protection. Complete the following steps to connect a power supply to the chassis.

1. Connect the positive lead of the power supply to the V terminal of the power connector

shipped with the cRIO-9074XT, and tighten the terminal screw. The following figure

shows the terminal screws, which secure the wires in the screw terminals, and the

connector screws, which secure the power connector on the front panel.

10 | ni.com | NI cRIO-9074XT User Manual and Specifications

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