National Instruments NI 9263 Bedienungsanleitung

OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9263

4-Channel, ±10 V, 16-Bit Analog Voltage Output Module

ni.com/manuals

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NI 9263 Operating Instructions and Specifications 2 ni.com

This document describes how to use the National Instruments 9263

and includes specifications and terminal assignments for the NI 9263.

Visit ni.com/info and enter rdsoftwareversion to determine

which software youneed for the modules youare using. For

information about installing, configuring, and programming the

system, refer to the system documentation. Visit ni.com/info and

enter cseriesdoc for information about C Series documentation.

Note The safety guidelines and specifications in this

document are specific to the NI 9263. The other

components in the system might not meet the same safety

ratings and specifications. Refer to the documentation for

each component in the system to determine the safety

ratings and specifications for the entire system. Visit

ni.com/info and enter cseriesdoc for information

about C Series documentation.

Safety Guidelines

Operate the NI 9263 only as described in these operating

instructions.

Hot Surface This icon denotes that the component may be

hot. Touching this component may result in bodily injury.

Safety Guidelines for Hazardous Voltages

If hazardous voltages are connected to the module, take the

following precautions. A hazardous voltage is a voltage greater

than 42.4 Vpk or 60 VDC to earth ground.

Caution Ensure that hazardous voltage wiring is

performed only by qualified personnel adhering to local

electrical standards.

Caution Do not mix hazardous voltage circuits and

human-accessible circuits on the same module.

Caution Make sure that devices and circuits connected to

the module are properly insulated from human contact.

Caution When module terminals are hazardous voltage

LIVE (>42.4 Vpk/60 VDC), youmust ensure that devices

and circuits connected to the module are properly

insulated from human contact. Youmust use the NI 9932

connector backshell kit to ensure that the terminals are

not accessible.

NI 9263 Operating Instructions and Specifications 4 ni.com

Figure 1 shows the NI 9932 connector backshell.

Figure 1. NI 9932 Connector Backshell

Safety Guidelines for Hazardous Locations

The NI 9263 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 youare installing the NI 9263 in a

potentially explosive environment. Not following these guidelines

may result in serious injury or death.

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 Zone 2 applications, install the system

in an enclosure rated to at least IP 54 as defined by

IEC 60529 and EN 60529.

Special Conditions for Hazardous Locations Use in Europe

This equipment has been evaluated as Ex nA IIC T4 equipment

under DEMKO Certificate No. 07 ATEX 0626664X. Each module

is marked II 3G 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 9263 in Gas Group IIC hazardous locations, you

must use the device in an NI chassis that has been evaluated as

Ex nC IIC T4, EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4

equipment.

NI 9263 Operating Instructions and Specifications 6 ni.com

Special Conditions for Marine Applications

Some modules are Lloyd’s Register (LR) Type Approved for

marine applications. To verify Lloyd’s Register certification, visit

ni.com/certification and search for the LR certificate, or

look for the Lloyd’s Register mark on the module.

Caution To meet radio frequency emission requirements

for marine applications, use shielded cables and install

the system in a metal enclosure. Suppression ferrites

must be installed on power supply inputs near power

entries to modules and controllers. Power supply and

module cables must be separated on opposite sides of the

enclosure and must enter and exit through opposing

enclosure walls.

Connecting the NI 9263

The NI 9263 has a 10-terminal, detachable screw-terminal

connector that provides connections for 4 analog output channels.

Figure 2. NI 9263 Terminal Assignments

AO0

COM

AO1

COM

AO2

COM

AO3

COM

NI 9263 Operating Instructions and Specifications 8 ni.com

Each channel of the NI 9263 has an AO terminal to which youcan

connect the positive lead of a load. Each channel also has a

common terminal, COM, and there is an additional COM terminal

at the bottom of the connector. All of the COM terminals are

internally connected to the isolated ground reference of the

module. When connecting a load to the NI 9263, connect the

positive lead of the load to the AO terminal, and the ground of the

load to the corresponding COM terminal. Refer to Figure 3 for an

illustration of connecting a load to the NI 9263.

Figure 3. Connecting a Load to the NI 9263

Note Youmust use 2-wire ferrules to create a secure

connection when connecting more than one wire to a

single terminal on the NI 9263.

NI 9263 COM

Load

Each channel has a digital-to-analog converter (DAC) that

produces a voltage signal. Each channel also has overvoltage

and short-circuit protection. Refer to the Specifications section

for more information about the overvoltage and short-circuit

protection. Refer to Figure 4 for an illustration of the output

circuitry for one channel of the NI 9263.

Figure 4. Output Circuitry for One Channel of the NI 9263

When the module powers on, the channels output the startup

voltage. Refer to the Specifications section for more information

about startup voltage. Refer to the software help for information

about configuring startup output states in software.

COM

NI 9263

Amplifier

Isolated DAC

Overvoltage/

Short-Circuit

Protection

NI 9263 Operating Instructions and Specifications 10 ni.com

Wiring for High-Vibration Applications

If an application is subject to high vibration, National Instruments

recommends that youeither use ferrules to terminate wires to the

detachable screw-terminal connector or use the NI 9932 backshell

kit to protect the connections. Refer to Figure 5 for an illustration

of using ferrules. Refer to Figure 1 for an illustration of the

NI 9932 connector backshell.

Figure 5. 10-Terminal Detachable Screw-Terminal Connector with Ferrule

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