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PXI-2571 Specifications

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    Last Modified: May 1, 2017

    This document lists specifications for the PXI-2571. All specifications are subject to change without notice.

    Definitions

    Warranted specifications describe the performance of a model under stated operating conditions and are covered by the model warranty.

    Characteristics describe values that are relevant to the use of the model under stated operating conditions but are not covered by the model warranty.

    • Typical specifications describe the expected performance met by a majority of the models.
    • Nominal specifications describe parameters and attributes that may be useful in operation.

    Specifications are Typical unless otherwise noted.

    Conditions

    Specifications are valid at 23 °C unless otherwise noted.

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

    spd-note-caution
    Caution  

    The protection provided by the PXI-2571 can be impaired if it is used in a manner not described in this document.

    Topology

    Topology

    66-channel SPDT, latching

    Input Characteristics

    Maximum switching voltage

    Channel-to-channel

    100 V

    Channel-to-ground

    100 V, CAT I

    spd-note-caution
    Caution  

    This module is rated for Measurement Category I and intended to carry signal voltages no greater than 100 V. This module can withstand up to 500 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.[1]

    spd-note-caution
    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.

    spd-note-caution
    Caution  

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

    1 A

    Simultaneous channels at maximum current (≤55 °C)

    66

    Minimum switch load

    20 mV/1 mA
    spd-note-caution
    Caution  

    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

    12 μV, typical

    Bandwidth (-3 dB, 50 Ω termination)

    ≥35 MHz, typical

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

    10 kHz

    ≤-80 dB, typical

    100 kHz

    ≤-60 dB, typical

    1 MHz

    ≤-40 dB, typical

    10 MHz

    ≤-30 dB, typical

    Isolation, open channel (50 Ω termination)

    10 kHz

    ≥80 dB, typical

    100 kHz

    ≥60 dB, typical

    1 MHz

    ≥40 dB, typical

    10 MHz

    ≥20 dB, typical

    Dynamic Characteristics

    Relay operate time

    1 ms, typical

    3.4 ms maximum

    spd-note-note
    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

    60 VDC, 1 ADC resistive

    1 × 105 cycles
    spd-note-note
    Note  

    Relays are field replaceable. Refer to the NI Switches Help at ni.com/manuals for more information about replacing a failed relay.

    Trigger Characteristics

    Input trigger

    Sources

    PXI trigger lines <0...7>

    Minimum pulse width

    150 ns
    spd-note-note
    Note  

    The PXI-2571 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

    spd-note-caution
    Caution  

    Clean the hardware with a soft, nonmetallic brush. Make sure that the hardware is completely dry and free from contaminants before returning it to service.

    Relay type

    Electromechanical, latching

    Relay contact material

    Palladium-ruthenium, gold covered

    I/O connector

    200 POS LFH Matrix 50, receptacle

    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

    174 g (6.1 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.)

    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 C22.2 No. 61010-1
    spd-note-note
    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
    • EN 55022 (CISPR 22): Class A emissions
    • EN 55024 (CISPR 24): Immunity
    • AS/NZS CISPR 11: Group 1, Class A emissions
    • AS/NZS CISPR 22: Class A emissions
    • FCC 47 CFR Part 15B: Class A emissions
    • ICES-001: Class A emissions
    spd-note-note
    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.

    spd-note-note
    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.

    spd-note-note
    Note  

    For EMC declarations, 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:

    • 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)

    spd-note-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）

    spd-note-china-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 ni.com/environment/rohs_china。(For information about China RoHS compliance, go to ni.com/environment/rohs_china.)

    • 1 Measurement Categories CAT I and CAT O are equivalent. These test and measurement circuits are for other circuits not intended for direct connection to the MAINS building installations of Measurement Categories CAT II, CAT III, or CAT IV.

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