National Instruments NI 9469 Manual de usuario

NI-9469 Getting

Started

2022-07-06

Contents

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Safety Guidelines for Hazardous Locations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Electromagnetic Compatibility Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Special Conditions for Marine Applications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

NI 9469 Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Connecting the NI 9469. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Routing the NI 9469. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

NI 9469 Application. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Topologies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Activity LEDs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Sleep Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

NI-9469 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

I/O Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Power Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Physical Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Safety Voltages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Safety Compliance and Hazardous Locations Standards. . . . . . . . . . . . . . . . . . . 11

Electromagnetic Compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

CE Compliance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Product Certifications and Declarations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Shock and Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Environmental. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Environmental Management. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

电子信息产品污染控制管理办法（中国 RoHS）. . . . . . . . . . . . . . . . . . . . . . . . . . . 13

NI Services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

ni.com

NI-9469 Getting Started

Overview

This document explains how to connect to the NI-9469.

Note Before you begin, read the NI-9469 Safety, Environmental, and

Regulatory Information document on ni.com/manuals and complete the

soware and hardware installation procedures in your chassis

documentation.

Note The guidelines in this document are specific to the NI-9469. The

other components in the system might not meet the same safety ratings.

Refer to the documentation for each component in the system to

determine the safety and EMC ratings for the entire system.

Safety Guidelines

Caution Observe all instructions and cautions in the user documentation.

Using the product in a manner not specified can damage the product and

compromise the built-in safety protection.

Attention Suivez toutes les instructions et respectez toutes les mises

en garde de la documentation d'utilisation. L'utilisation du produit de

toute autre façon que celle spécifiée risque de l'endommager et de

compromettre la protection de sécurité intégrée.

Safety Guidelines for Hazardous Locations

The NI-9469 is suitable for use in hazardous locations; , and hazardous locations;

and nonhazardous locations only. Follow these guidelines if you are installing the

NI-9469 in a potentially explosive environment. Not following these guidelines may

result in serious injury or death.

NI-9469 Getting Started

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

been switched o or the area is known to be nonhazardous.

Caution Do not remove modules unless power has been switched o or

the area is known to be nonhazardous.

Caution Substitution of components may impair suitability for Class I,

Division 2, or Zone 2.

Caution The system must be installed in an enclosure certified for the

intended hazardous (classified) location, having a tool secured cover/door,

where a minimum protection of at least IP54 is provided.

Special Conditions for Hazardous Locations Use in Europe and

Internationally

The NI-9469 has been evaluated as equipment under DEMKO ATEX and is IECEx

certified. Each NI-9469 is marked and is suitable for use in Zone 2 hazardous

locations, in ambient temperatures of -40 °C ≤ Ta ≤ 70 °C. If you are using the NI-9469

in Gas Group IIC hazardous locations, you must use the device in an NI chassis that

has been evaluated as Ex nC IIC T4, Ex IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.

Caution Transient protection shall be provided that is set at a level not

exceeding 140% of the peak rated voltage value of 85 V at the supply

terminals to the equipment.

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

Pollution Degree 2, as defined in IEC/EN 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.

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NI-9469 Getting Started

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.

Caution To ensure the specified EMC performance, operate this product

only with shielded cables and accessories.

Special Conditions for Marine Applications

Some products are approved for marine (shipboard) applications. To verify marine

approval certification for a product, visit ni.com/product-certifications, search by

model number, and click the appropriate link.

Notice 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

NI-9469 Getting Started

designing, selecting, and installing measurement probes and cables to

ensure that the desired EMC performance is attained.

NI 9469 Overview

The NI-9469 is a synchronization module for C Series platforms. It has a configurable

multi-port interface that enables distribution of triggers and clocks from a host

chassis, and an onboard DDS and PLL for clock generation and synchronization

capabilities.

Connecting the NI 9469

The NI-9469 has three RJ45 connectors on the front panel labeled Port 0, 1, and 2.

These connectors use standard straight through CAT 5e Ethernet cabling to provide

connection to other NI-9469 modules only . Each port is soware configurable to

drive or receive four dierential signals through the cable, which are referred to as

Line 0 to 3. Each port can carry either four triggers, or three triggers and one clock,

in which Line 3 is dedicated to carry the clock.

Routing the NI 9469

The NI-9469 features a configurable crosspoint switch. You can control the routing

of signals and the onboard clock generator between each front port and the trigger

lines in the backplane. However, the crosspoint switch is not a full routing matrix.

You can connect only the same Line or Trig number. For example, Line 0 to Trig 0,

but not Line 0 to Trig 2. However, you can route clock signals on only Line 3 or Trig 3.

The following figure details the crosspoint switch's routing capabilities.

Note You can set only eight of the 12 total port lines as outputs due to

power constraints.

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NI-9469 Getting Started

Figure 1. Routing Capabilities of the Crosspoint Switch

Note The preceding figure details hardware routing capability only.

Soware imposed limitations may prevent certain routing or input/output

functions from being realized. For more information, refer to the

documentation for your specific soware platform.

NI 9469 Application

In a basic application, a single NI-9469 module is inserted into each host C Series

chassis. One module is set as master, the remainder as slaves, and all modules are

connected with a tree topology. Figure 2 shows a tree topology example. More

advanced and customizable options create a flexible topological network of NI-9469

modules. Refer to the Topologies section for examples of various topological

networks.

Based on user needs, you may desire certain topologies over others due to

application or timing requirements. Because signals are physically propagated over

cabling, the module cannot compensate for inherent cable delays and skew. For

example, if all slave modules must receive triggers at the same time with minimal

skew and delay, a star topology with short length-matched cables is preferred. Refer

to Figure 3 for a star topology configuration example.

If maximum separation distance is required, connect the modules using a daisy

chain topology with maximum cable length per hop, as shown in Figure 4. Refer to

the Cable section for information about maximum cable length.

NI-9469 Getting Started

Topologies

Figure 2. Tree Topology

Figure 3. Star Topology

Figure 4. Daisychain Topology

Figure 5. Hybrid Topology

Activity LEDs

The NI-9469 has four front panel LEDs labeled Trig 0, Trig 1, Trig 2, and Trig 3/Clk.

The LEDs blink when activity is detected on the corresponding line to or from the

carrier.

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NI-9469 Getting Started

Sleep Mode

This module supports a low-power sleep mode. Support for sleep mode at the

system level depends on the chassis the module is plugged into. Refer to the chassis

manual for information about support for sleep mode. If the chassis supports sleep

mode, refer to the soware help for information about enabling sleep mode. Visit

ni.com/info and enter cseriesdoc for information about C Series documentation.

Typically, when a system is in sleep mode, you cannot communicate with the

modules. In sleep mode, the system consumes minimal power and may dissipate

less heat than it does in normal mode. Refer to the Specifications section for more

information about power consumption and thermal dissipation.

Notice that when the NI 9469 is in sleep mode, the clock generation settings (if used)

must be reconfigured when the module exits sleep mode and power is restored.

NI-9469 Specifications

The following specifications are typical for the range -40 °C to 70 °C unless otherwise

noted.

I/O Characteristics

Front panel connectors Shielded RJ45 receptacle

Front panel indicators 4 green LEDs

Number of ports 3 (Port 0, 1, and 2)

Number of input/output signals 4 (Line 0, 1, 2, and 3) per port, 12 total

Signal type Dierential

Maximum simultaneous outputs 8

Number of I/O triggers to backplane 4 (Trig 0, 1, 2, and 3)

Clock generation (DDS)

Frequency 12.8 MHz or 13.1072 MHz

Accuracy ±3.5 ppm typical

NI-9469 Getting Started

Cable

Type[1] CAT 5e (Shielded Twisted Pair) (straight-through)

Maximum propagation delay[2] 4.98 ns/m

Maximum length 100 m

1 Refer to the I/O Characteristics section for more information.

2 As specified for CAT 5e in TIA/EIA-568 Standard.

Power Requirements

Power consumption from chassis

Active mode 1 W maximum

Sleep mode 25 µW

Thermal dissipation (at 70 °C)

Active mode 1 W maximum

Sleep mode 25 µW

Physical Characteristics

Dimensions Visit ni.com/dimensions and search by module number.

Weight 148 g (5.2 oz)

Safety Voltages

Isolation

Channel-to-channel None

Channel-to-earth ground None

ni.com

NI-9469 Getting Started

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