Table Of Contents

PXI-2501 Specifications

Version:
    Last Modified: March 2, 2017

    This document lists specifications for the PXI-2501. All specifications are subject to change without notice.

    Topology

    1-wire 48 × 1 multiplexer, 2-wire 24 × 1 multiplexer, 2-wire Dual 12 × 1 multiplexers, 2-wire Quad 6 × 1 multiplexers, 4-wire 12 × 1 multiplexer, 2-wire 4 × 6 matrix[1]

    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-2501 can be impaired if it is used in a manner not described in this document.

    Input Characteristics

    All input characteristics are DC, ACrms, or a combination, unless otherwise specified.

    Maximum switching voltage (channel-to-ground)

    ±10 VDC, 7 VAC

    Overvoltage protection
    Signals CH<0..23>, COM<0..3>

    Powered on or off

    ±25 VDC

    Signals AB<0..1>

    Powered on

    ±25 VDC

    Powered off

    ±15 VDC

    FET switch on resistance

    Typical

    50 Ω

    Maximum at 25 °C

    85 Ω

    Maximum at 85 °C

    100 Ω

    Total path resistance
    Channel-to-analog bus

    Typical

    1,650 Ω

    Maximum

    1,900 Ω

    Channel-to-COM

    Typical

    1,900 Ω

    Maximum

    2,150 Ω

    Amplified multiplexer topologies

    Offset voltage

    1.5 mV

    Cold-junction sensor

    60 μV

    Multiplexer topologies (nonamplified)

    Offset voltage

    5 μV

    RF Performance Characteristics

    Typical bandwidth (50 Ω source, 1 MΩ 25 pF load)

    -3 dB

    400 kHz

    -10 dB

    1 MHz

    Dynamic Characteristics

    Maximum scan rate

    15,000 channels/s

    Settling time (+5 V to -5 V step), measured with a 6-inch AB connector to a PXI multifunction DAQ device
    0.012% accuracy

    With amplifier

    8.5 μs

    Without amplifier

    9.0 μs

    0.006% accuracy

    With amplifier

    10 μs

    Without amplifier

    11.5 μs

    0.0015% accuracy

    With amplifier

    16 μs

    Without amplifier

    18 μs

    Settling time (+5 V to -5 V step), measured with a 3-meter cable to a PXI multifunction DAQ device
    0.012% accuracy

    With amplifier

    21 μs

    Without amplifier

    45 μs

    0.006% accuracy

    With amplifier

    30 μs

    Without amplifier

    60 μs

    0.0015% accuracy

    With amplifier

    80 μs

    Without amplifier

    160 μs

    spd-note-note
    Note  

    Certain applications might require additional time for proper settling. For information about including additional settling time, refer to the NI Switches Help at ni.com/manuals.

    Trigger Characteristics

    Input trigger

    Sources

    PXI trigger lines <0...7>, front panel

    Minimum pulse width

    PXI trigger lines

    70 ns

    Front panel

    500 ns

    Output trigger

    Destinations

    PXI trigger lines <0...7>, front panel

    Pulse width

    1 μs

    Physical Characteristics

    Relay type

    FET switch

    I/O connector

    68-pin male SCSI

    Power requirement

    5 V

    1.5 W, typical

    12 V

    0.36 W, typical

    -12 V

    0.36 W, typical

    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

    Operating temperature

    0 °C to 50 °C

    Storage temperature

    -20 °C to 70 °C

    Relative humidity

    5% to 85% noncondensing

    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 Hz to 500 Hz, 0.3 grms

    Nonoperating

    5 Hz to 500 Hz, 2.4 grms (Tested in accordance with IEC 60068-2-64. Nonoperating 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 The 1-wire 48 × 1 and the 2-wire 24 × 1 multiplexer topologies can enable a unity gain amplifier to reduce FET settling time.

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