NI 9263E Bedienungsanleitung

OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9263E

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

NI 9263E Operating Instructions and Specifications 2 ni.com

This document describes how to use the National Instruments 9263E

and includes dimensions, terminal assignments, and specifications for

the NI 9263E. Visit ni.com/info and enter rdsoftwareversion

to determine which software you need for the modules you are 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.

Caution National Instruments makes no electromagnetic

compatibility (EMC) or CE marking compliance claims

for the NI 9263E. The end-product supplier is responsible

for conformity to any and all compliance requirements.

Caution The NI 9263E must be installed inside a suitable

enclosure prior to use. Hazardous voltages may be present.

NI 9263E Dimensions

The following figure shows the dimensions of the NI 9263E.

Figure 1. NI 9263E Dimensions in Millimeters (Inches)

73.4 (2.89)

0.0 (0.00)

26.7 (1.05)

58.4 (2.30)

66.0 (2.60)

0.0 (0.00)

NI 9263E Operating Instructions and Specifications 4 ni.com

Connecting the NI 9263E

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

connector that provides connections for 4 analog output channels.

Figure 2. NI 9263E Terminal Assignments

AO0

COM

AO1

COM

AO2

COM

AO3

COM

Each channel of the NI 9263E has an AO terminal and 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. You can

connect a load to each channel of the NI 9263E. 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 9263E.

Figure 3. Connecting a Load to the NI 9263E

Note You must use 2-wire ferrules to create a secure

connection when connecting more than one wire to a

single terminal on the NI 9263E.

NI 9263E COM

Load

NI 9263E Operating Instructions and Specifications 6 ni.com

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 9263E.

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

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

COM

NI 9263E

Amplifier

Isolated DAC

Overvoltage/

Short-Circuit

Protection

about configuring startup output states in software. Visit

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

documentation.

Sleep Mode

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

mode at the system level depends on the chassis that 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 software 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.

NI 9263E Operating Instructions and Specifications 8 ni.com

Specifications

The following specifications are typical for the range –40 to 85 °C

internal to any enclosures unless otherwise noted. All voltages are

relative to COM unless otherwise noted.

Output Characteristics

Number of channels.......................... 4 analog output channels

DAC resolution ................................. 16 bits

Type of DAC ..................................... String

Power-on output state ....................... Channels off

Startup voltage .................................. 0 V1

Power-down voltage ......................... 0 V2

1 When the module powers on, a glitch occurs for 20 μs peaking at –1.5 V.

2 The power-down voltage peaks at 1.8 V before exponentially discharging to 0 V in

100 μs. You can add a 10 kΩload to reduce the peak voltage.

Output voltage range

Nominal ...................................... ±10 V

Minimum .................................... ±10.4 V

Typical ........................................ ±10.7 V

Maximum ................................... ±11 V

Current drive ..................................... ±1 mA per channel max

Output impedance............................. 2 Ω

Accuracy

Measurement Conditions

Percent of

Reading

(Gain Error)

Percent of

Range*

(Offset Error)

Calibrated, max (–40 to 85 °C) 0.35% 0.75%

Calibrated, typ (25 °C, ±5 °C) 0.03% 0.1%

Uncalibrated, max (–40 to 85 °C) 2.2% 1.7%

Uncalibrated, typ (25 °C, ±5 °C) 0.3% 0.25%

* Range equals ±10.7 V

NI 9263E Operating Instructions and Specifications 10 ni.com

Stability

Gain drift .................................... 14 ppm/°C

Offset drift .................................. 110 μV/°C

Protection

Overvoltage ................................ ±30 V

Short-circuit................................ Indefinitely

Update time

Noise

Updating at 100 kS/s .................. 600 μVrms

Not updating............................... 260 μVrms

Number of

Channels

Update Time for

NI cRIO-9151 R Series

Expansion Chassis

Update Time for

All Other Chassis

13.5 μs min 3μs min

26.5 μs min 5μs min

3 9 μs min 7.5 μs min

412 μs min 9.5 μs min

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