APEX WAVES PXI-2520 80-Channel SPST Relay Module User Manual

APEX WAVES PXI-2520 80-Channel SPST Relay Module

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NI PXI-2520 Specifications

80-Channel SPST Relay Module
This document lists specifications for the NI PXI-2520 general-purpose relay module. All specifications are subject to change without notice. Visit ni.com/manuals for the most current specifications.

Caution The protection provided by the NI PXI-2520 can be impaired if it is used in a manner not described in this document.

Topology………………………………………………….. 80-channel SPST, non-latching
Refer to the NI Switches Help for detailed topology information.

About These Specifications

• Specifications characterize the warranted performance of the instrument under the stated operating conditions.
• 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.

Caution Refer to the Read Me First: Safety and Electromagnetic Compatibility document for important safety and electromagnetic compatibility information. To obtain a copy of this document online, visit ni.com/manuals, and search for the document title.
Caution To ensure the specified EMC performance, operate this product only with shielded cables and accessories.

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 and intended to carry signal voltages no greater than 150 V. 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 or 230 VAC. Refer to the Read Me First: Safety and Electromagnetic Compatibility document for more information on measurement categories.
Caution When hazardous voltages (>42.4 Vpk/60 VDC) are present on any relay terminal, safety low-voltage (≤42.4 Vpk/60 VDC) cannot be connected to any other relay terminal.
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 (≤43 °C) …………………………………………30
• Minimum switching conditions ……………………20 mV/1 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 …………………………………………………<0.5 Ω
• End-of-life…………………………………………. ≥1.0 Ω

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 (typical at 23 °C) …………………..12 μV
• Bandwidth (-3 dB, typical at 23 °C)
• 50 Ω termination ……………………………………….. ≤35 MHz
• Crosstalk (typical at 23 °C, 50 Ω termination)
• Channel-to-channel
• 10 kHz……………………………………….. ≤-80 dB
• 100 kHz……………………………………… ≤-60 dB
• Isolation (typical at 23 °C, 50 Ω termination)
• Open channel
• 10 kHz……………………………………….. ≥80 dB
• 100 kHz……………………………………… ≥60 dB

Module Load Derating at >43 °C

Load derating is dependent on the ambient temperature and the sum of the current squared of each channel simultaneously carrying a signal. The result must fall within the shaded region of Figure 1. The following examples represent this calculation.Example 1

• 30 channels carry 1.7 A while
• 10 channels carry 1.5 A
• (30 × 1.72) + (10 × 1.52) = 109.2 A2 ×channels

The module in Example 1 can be used at ambient temperatures between 0 °C and 47 °C. Example 2

• 25 channels carry 1.55 A while
• 5 channels carry 2.0 A
• (25 × 1.552) + (5 × 2.02) = 80.06 A2 × channels

The module in Example 2 can be used at ambient temperatures between 0 °C and 55 °C.

Dynamic Characteristics

• Relay operate time
• Typical ……………………………………………… 1 ms
• Maximum………………………………………….. 3.4 ms
• Simultaneous drive limit…………………………….. 40 relays

Note Certain applications may require additional time for proper settling. For information about including additional settling time, refer to the NI Switches Help.

• Expected relay life
• Mechanical…………………………………………1 × 108 cycles
• Electrical (resistive)
• 30 V, 1 A …………………………………….5 × 105 cycles
• 30 V, 2 A …………………………………….1 × 105 cycles

Note The relays used in the NI PXI-2520 are field replaceable. Refer to the NI Switches Help for information about replacing a failed relay.

Trigger Characteristics

• Input trigger
• Sources………………………………………………PXI trigger lines 0-7
• Minimum pulse width………………………….150 ns

Note The NI PXI-2520 can recognize trigger pulse widths less than 150 ns if you disable digital filtering. For information about disabling digital filtering, refer to the NI Switches Help.

• Output trigger
• Destinations ……………………………………….PXI trigger lines 0-7
• Pulse width…………………………………………Programmable (1 μs to 62 μs)

Physical Characteristics

• Relay type …………………………………………………Electromechanical, non-latching
• Relay contact material ……………………………….. Palladium-ruthenium, gold covered
• I/O connector …………………………………………….160 DIN 41612, 160 positions, male
• PXI power requirement……………………………….6 W at 5 V, 2.5 Wat 3.3 V
• Dimensions (L × W × H) …………………………….3U, one slot, PXI/cPCI module 21.6 × 2.0 × 13.0 cm (8.5 × 0.8 × 5.1 in.)
• Weight ………………………………………………………174 g (6.1 oz)

Environment

• Operating temperature ……………………………….. 0 °C to 55 °C
• Storage temperature …………………………………… -20 °C to 70 °C
• Relative humidity ……………………………………… 5% to 85% non-condensing
• Pollution Degree ……………………………………….. 2
• Maximum altitude……………………………………… 2,000 m
• Indoor use only.

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 to 500 Hz, 0.3 grams
• Nonoperating …………………………………….. 5 to 500 Hz, 2.4 grams
• (Tested in accordance with IEC 60068-2-64.
• The nonoperating test profile exceeds the requirements of MIL-PRF-28800F, Class 3.)

Diagrams

Figure 2 shows the NI PXI-2520 hardware diagram.

Figure 3 shows the NI PXI-2520 connector pinout.

Accessories

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

Table 1. NI Accessories for the NI PXI-2520

Compliance and Certifications

Safety
This product meets the requirements of the following standards of safety for electrical equipment 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
• 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, and additional information, refer to the Online Product Certification section.

CE Compliance

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

• 2006/95/EC; Low-Voltage Directive (safety)
• 2004/108/EC; Electromagnetic Compatibility Directive (EMC)

Online Product Certification
To obtain product certifications and the Declaration of Conformity (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 webpage 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 products must be sent to a WEEE recycling center. For more information about WEEE recycling centers, National Instruments WEEE initiatives, and compliance with WEEE Directive 2002/96/EC on Waste Electrical and Electronic Equipment, visit ni.com/ environment/weee .

RoHS

National Instruments (RoHS) National Instruments  RoHS ni.com/ environment/rohs_china (For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

LabVIEW, National Instruments, NI, ni.com, the National Instruments corporate logo, and the Eagle logo are trademarks of National Instruments Corporation. Refer to the Trademark Information at ni.com/trademarks for other National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products/technology, refer to the appropriate location: Help» Patents in your software, the patents.txt file on your media, or the National Instruments Patents Notice at ni.com/patents. You can find information about end-user license agreements (EULAs) and third-party legal notices in the NI-SWITCH Readme. Refer to the Export Compliance Information at ni.com/legal/export-compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes, ECCNs, and other import/export data.

https://www.apexwaves.com/modular-systems/national-instruments/pxi-relay- modules/PXI-2520?aw_referrer=pdf

© 2013 National Instruments. All rights reserved.

References

• Engineer Ambitiously - NI
• Engineer Ambitiously - NI
• Product Certifications - NI
• Engineering a Healthy Planet - NI
• Managing Critical Substances - NI
• Using Info Codes - NI
• Trade Compliance - NI
• Product Documentation - NI
• National Instruments Patents - NI
• NI Trademarks and Logo Guidelines - NI
• PXI-2520 National Instruments Relay Module| Apex Waves

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