National Instruments PXI-2568 Manual de usuario

DEVICE SPECIFICATIONS

NI PXI-2568

31-Channel SPST Relay Module

This document lists specifications for the NI PXI-2568 (PXI-2568) general-purpose relay

module. All specifications are subject to change without notice. Visit ni.com/manuals for the

most current specifications.

Contents

About These Specifications...................................................................................................... 1

Input Characteristics......................................................................................................... 2

Dynamic Characteristics................................................................................................... 3

Trigger Characteristics...................................................................................................... 4

Physical Characteristics.................................................................................................... 4

Environment......................................................................................................................4

Shock and Vibration..........................................................................................................5

Compliance and Certifications..........................................................................................5

Diagrams................................................................................................................................... 7

Accessories................................................................................................................................8

About These Specifications

Specifications characterize the warranted performance of the instrument under the stated

operating conditions. Data in this document are Specifications unless otherwise noted.

Typical Specifications are specifications met by the majority of the instrument under the stated

operating conditions and are tested at 23 °C ambient temperature. Typical specifications are

not warranted.

All voltages are specified in DC, ACpk, or a combination unless otherwise specified.

Topology 31-SPST (form A, latching), 15-DPST

Refer to the NI Switches Help at ni.com/manuals for detailed topology information.

Caution The protection provided by the PXI-2568 can be impaired if it is used in a

manner not described in this document.

Input Characteristics

Maximum switching voltage

Channel-to-channel 150 V

Channel-to-ground 150 V, CAT I

Caution This module is rated for Measurement Category I. It is intended to carry

signal voltages no greater than 100 Vrms, 150 Vpk, or 150 VDC. This module can

withstand up to 800 V impulse voltage. Do not use this module for connection to

signals or for measurements within Categories II, III, or IV. Do not connect to

MAINS supply circuits (for example, wall outlets) of 115 VAC or 230 VAC.1

Caution When hazardous voltages (>42.4 Vpk/60 V DC) are present on any

channel, safety low-voltage (≤42.4 Vpk/60 V DC) cannot be connected to any other

channel.

Caution The switching power is limited by the maximum switching current and

the maximum voltage and must not exceed 60 W, 62.5 VA.

Maximum switching power (per channel) 60 W, 62.5 VA (DC to 60 Hz)

Maximum current (switching or carry, per

channel)

2 A

Simultaneous channels at maximum

current (≤55 °C)

Minimum switch load 20 mV/10 mA

Note Switching inductive loads (for example, motors and solenoids) can produce

high voltage transients in excess of the module’s rated voltage. Without additional

protection, these transients can interfere with module operation and impact relay life.

For more information about transient suppression, visit ni.com/info and enter the

Info Code relayflyback.

DC path resistance

Initial <0.15 Ω

End of life >1.0 Ω

1Measurement Categories CAT I and CAT O are equivalent. These test and measurement circuits are

not intended for direct connection to the MAINS building installations of Measurement Categories

CAT II, CAT III, or CAT IV.

2| ni.com | NI PXI-2568 Specifications

DC path resistance typically remains low for the life of the relay. At the end of relay life, the

path resistance rises rapidly above 1 Ω. Load ratings apply to relays used within the

specification before the end of relay life.

Thermal EMF ≤12 μV, typical

Bandwidth (-3 dB, 50 Ω termination) ≥40 MHz, typical

Crosstalk (50 Ω termination, channel-to-channel)

10 kHz ≤-85 dB, typical

100 kHz ≤-70 dB, typical

1 MHz ≤-50 dB, typical

10 MHz ≤-30 dB, typical

Isolation (50 Ω termination, open channel)

10 kHz ≥85 dB, typical

100 kHz ≥65 dB, typical

1 MHz ≥45 dB, typical

10 MHz ≥25 dB, typical

Dynamic Characteristics

Maximum cycle speed 145 cycles/s

Relay operate time 1 ms, typical

3.4 ms maximum

Note Certain applications may require additional time for proper settling. Refer to

the NI Switches Help at ni.com/manuals for more information about including

additional settling time.

Expected relay life

Mechanical 1 × 108 cycles

Electrical

10 VDC, 100 mADC resistive 2.5 × 106 cycles

10 VDC, 1 ADC resistive 1 × 106 cycles

30 VDC, 1 ADC resistive 5 × 105 cycles

30 VDC, 2 ADC resistive 1 × 105 cycles

Note Relays are field replaceable. Refer to the NI Switches Help at ni.com/manuals

for more information about replacing a failed relay.

NI PXI-2568 Specifications | © National Instruments | 3

Trigger Characteristics

Input trigger

Sources PXI trigger lines <0...7>

Minimum pulse width 150 ns

Note The PXI-2568 can recognize trigger pulse widths less than 150 ns if you

disable digital filtering. Refer to the NI Switches Help at ni.com/manuals for

information about disabling digital filtering.

Output trigger

Destinations PXI trigger lines <0...7>

Pulse width Programmable (1 µs to 62 µs)

Physical Characteristics

Relay type Electromechanical, latching

Relay contact material Palladium-ruthenium, gold covered

I/O connector 62-pin D-SUB, male

PXI power requirement 6 W at 5 V, 2.5 W at 3.3 V

Dimensions (L × W × H) 3U, one slot, PXI/cPCI module,

21.6 cm × 2.0 cm × 13.0 cm

(8.5 in. × 0.8 in. × 5.1 in.)

Weight 227 g (8 oz)

Environment

Maximum altitude 2,000 m (at 25 °C ambient temperature)

Pollution Degree 2

Indoor use only.

Operating Environment

Ambient temperature range 0 °C to 55 °C (Tested in accordance with

IEC 60068-2-1 and IEC 60068-2-2.)

Relative humidity range 10% to 90%, noncondensing (Tested in

accordance with IEC 60068-2-56.)

4| ni.com | NI PXI-2568 Specifications

Storage Environment

Ambient temperature range -20 °C to 70 °C (Tested in accordance

with IEC 60068-2-1 and IEC 60068-2-2.)

Relative humidity range 5% to 95%, noncondensing (Tested in

accordance with IEC 60068-2-56.)

Shock and Vibration

Operational shock 30 g peak, half-sine, 11 ms pulse (Tested in

accordance with IEC 60068-2-27. Test profile

developed in accordance with

MIL-PRF-28800F.)

Random vibration

Operating 5 Hz to 500 Hz, 0.31 grms (Tested in

accordance with IEC 60068-2-64.)

Nonoperating 5 Hz to 500 Hz, 2.46 grms (Tested in

accordance with IEC 60068-2-64. Test profile

exceeds the requirements of MIL-PRF-28800F,

Class 3.)

Compliance and Certifications

Safety

This product is designed to meet the requirements of the following electrical equipment safety

standards for measurement, control, and laboratory use:

• IEC 61010-1, EN 61010-1

• UL 61010-1, CSA 61010-1

Note For UL and other safety certifications, refer to the product label or the Online

Product Certification section.

Electromagnetic Compatibility

This product meets the requirements of the following EMC standards for electrical equipment

for measurement, control, and laboratory use:

• EN 61326-1 (IEC 61326-1): Class A emissions; Basic immunity

• EN 55011 (CISPR 11): Group 1, Class A emissions

• AS/NZS CISPR 11: Group 1, Class A emissions

NI PXI-2568 Specifications | © National Instruments | 5

• FCC 47 CFR Part 15B: Class A emissions

• ICES-001: Class A emissions

Note In the United States (per FCC 47 CFR), Class A equipment is intended for

use in commercial, light-industrial, and heavy-industrial locations. In Europe,

Canada, Australia, and New Zealand (per CISPR 11), Class A equipment is intended

for use only in heavy-industrial locations.

Note Group 1 equipment (per CISPR 11) is any industrial, scientific, or medical

equipment that does not intentionally generate radio frequency energy for the

treatment of material or inspection/analysis purposes.

Note For EMC declarations and certifications, refer to the Online Product

Certification section.

CE Compliance

This product meets the essential requirements of applicable European Directives, as follows:

• 2014/35/EU; Low-Voltage Directive (safety)

• 2014/30/EU; Electromagnetic Compatibility Directive (EMC)

Online Product Certification

Refer to the product Declaration of Conformity (DoC) for additional regulatory compliance

information. To obtain product certifications and the DoC for this product, visit ni.com/

certification, search by model number or product line, and click the appropriate link in the

Certification column.

Environmental Management

NI is committed to designing and manufacturing products in an environmentally responsible

manner. NI recognizes that eliminating certain hazardous substances from our products is

beneficial to the environment and to NI customers.

For additional environmental information, refer to the Minimize Our Environmental Impact

web page at ni.com/environment. This page contains the environmental regulations and

directives with which NI complies, as well as other environmental information not included in

this document.

Waste Electrical and Electronic Equipment (WEEE)

EU Customers At the end of the product life cycle, all NI products must be

disposed of according to local laws and regulations. For more information about

how to recycle NI products in your region, visit ni.com/environment/weee.

电子信息产品污染控制管理办法（中国 RoHS）

中国客户 National Instruments 符合中国电子信息产品中限制使用某些有害物

质指令(RoHS)。关于 National Instruments 中国 RoHS 合规性信息，请登录

6| ni.com | NI PXI-2568 Specifications

ni.com/environment/rohs_china。(For information about China RoHS

compliance, go to ni.com/environment/rohs_china.)

Diagrams

The following figure shows the PXI-2568 power-on state diagram.

Figure 1. PXI-2568 Power-on State

COM3

CH3

COM2

CH2

COM1

CH1

COM0

CH0

COM30

CH30

K30

The following figure shows the PXI-2568 connector pinout.

NI PXI-2568 Specifications | © National Instruments | 7

Figure 2. PXI-2568 Connector Pinout

COM0

COM2

COM3

COM5

COM6

COM8

COM9

COM11

COM12

COM14

COM15

COM17

COM18

COM20

COM21

COM23 58

COM28

CH0

COM1

CH3

COM4

CH6

COM7

CH9

COM10

CH12

COM13

CH15

COM16

CH18

COM19

CH21

COM22

CH1

CH2

CH4

CH5

CH7

CH8

CH10

CH11

CH13

CH14

CH16

CH17

CH19

CH20

CH22

CH23

CH29

COM26

COM27

COM30

CH27

COM29

CH28

CH30

CH25

CH26

CH24

COM25

COM24

Note For topology-specific connection information, refer to your device in the NI

Switches Help at ni.com/manuals and associated cable or terminal block installation

instructions.

Accessories

Visit ni.com for more information about the following accessories.

Table 1. NI Accessories for the PXI-2568

Accessory Part Number

62-pin female-to-female shielded D-SUB cable 779956-01

NI TBX-62 62-pin D-SUB screw terminal block 779957-01

Caution You must install mating connectors according to local safety codes and

standards and according to the specifications provided by the connector

8| ni.com | NI PXI-2568 Specifications

manufacturer. You are responsible for verifying safety compliance of third-party

connectors and their usage according to the relevant standard(s), including UL and

CSA in North America and IEC and VDE in Europe.

Table 2. Third-Party Accessory for the PXI-2568

Accessory Description Manufacturer

Mating front panel connector 262-position D-SUB, female Any

2PCB mount, additional cover, or enclosure required.

NI PXI-2568 Specifications | © National Instruments | 9

Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on NI trademarks. Other product and

company names mentioned herein are trademarks or trade names of their respective companies. For patents covering NI

products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the

National Instruments Patent Notice at ni.com/patents. You can find information about end-user license agreements (EULAs)

and third-party legal notices in the readme file for your NI product. Refer to the Export Compliance Information at ni.com/

legal/export-compliance for the NI global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other

import/export data. NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION

CONTAINED HEREIN AND SHALL NOT BE LIABLE FOR ANY ERRORS. U.S. Government Customers: The data contained in

this manual was developed at private expense and is subject to the applicable limited rights and restricted data rights as set forth

in FAR 52.227-14, DFAR 252.227-7014, and DFAR 252.227-7015.

373787H-01 Jul16

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