Table Of Contents

PXI-2530 Specifications

    Last Modified: April 14, 2017

    This document lists specifications for the PXI-2530 128-channel multiplexer/matrix module. All specifications are subject to change without notice. Visit for the most current specifications.

    PXI-2530 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.


    To ensure the specified EMC performance, operate this product only with shielded cables and accessories.


    The protection provided by the PXI-2530 can be impaired if it is used in a manner not described in this document.


    Refer to the NI Switches Help at for detailed topology information.


    1-wire 128 x 1 multiplexer

    1-wire dual 64 x 1 multiplexer

    1-wire quad 32 x 1 multiplexer

    1-wire octal 16 x 1 multiplexer

    2-wire 64 x 1 multiplexer

    2-wire dual 32 x 1 multiplexer

    2-wire quad 16 x 1 multiplexer

    4-wire 32 x 1 multiplexer

    4-wire dual 16 x 1 multiplexer

    1-wire 4 x 32 matrix

    1-wire 8 x 16 matrix

    2-wire 4 x 16 matrix



    The PXI-2530 has eight interconnected banks of 1-wire 16 × 1 multiplexers. These multiplexers can be used in any combination with the independent topology.

    Input Characteristics

    Maximum switching voltage


    60 VDC, 30 VACrms, CAT I


    60 VDC, 30 VACrms, CAT I

    Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution system referred to as MAINS voltage. MAINS is a hazardous live electrical supply system that powers equipment. This category is for measurements of voltages from specially protected secondary circuits. Such voltage measurements include signal levels, special equipment, limited-energy parts of equipment, circuits powered by regulated low-voltage sources, and electronics.


    Do not connect the PXI-2530B to signals or use for measurements within Measurement Categories II, III, or IV.


    Measurement 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.

    Maximum current (per terminal or internal path)

    0.4 A

    Maximum switching power (per channel, resistive)

    10 W

    DC path resistance[1] (channel-to-common)


    <2 Ω, typical


    ≥3 Ω, typical

    Thermal EMF (1-wire configuration, channel-to-common)

    <50 µV, typical

    RF Performance Characteristics

    Bandwidth (50 Ω system, 1-wire configuration referenced to 1WREF)

    16 × 1

    >19 MHz, typical

    128 × 1

    >12 MHz, typical

    Channel-to-channel isolation (50 Ω system, 1-wire configuration referenced to 1WREF)

    200 kHz

    >60 dB, typical

    1 MHz

    >40 dB, typical

    Dynamic Characteristics

    Simultaneous drive limit

    64 relays

    Relay operate/release time

    555 µs


    Certain applications may require additional time for proper settling.

    Relay life (no load)


    1 * 109 cycles, typical

    Electrical (resistive, <10 pF load)

    10 V, 100 mA

    1 * 108 cycles, typical

    25 V, 400 mA

    5 * 106 cycles, typical

    60 V, 160 mA

    1 * 106 cycles, typical


    Reed relays are highly susceptible to damage caused by switching capacitive and inductive loads. Capacitive loads can cause high inrush currents while inductive loads can cause high flyback voltages. The addition of appropriate resistive protection can greatly improve contact lifetime. For more information about adding protection circuitry to a capacitive load, visit and enter the Info Code relaylifetime. For information about inductive loads, enter the Info Code relayflyback.


    The relays used in the PXI-2530 are field replaceable.

    Trigger Characteristics

    Input trigger


    PXI trigger lines 0 to 7, front panel

    Minimum pulse width

    150 ns

    Front panel input voltage


    -0.5 V

    VIL maximum

    +0.7 V

    VIH minimum

    +2.0 V


    +3.3 V


    +5.5 V


    The PXI-2530 can recognize trigger pulse widths less than 150 ns if you disable digital filtering.

    Output trigger


    PXI trigger lines 0 to 7, front panel

    Pulse width

    Programmable (1 µs to 62 µs)

    Front panel nominal voltage

    +3.3 V TTL, 8 mA

    Physical Characteristics

    Relay type



    NI advises against installing reed relay modules directly adjacent to an embedded controller with a magnetic hard drive because of the sensitivity of reed relays and the possibility of interference.

    Front panel connector

    LFH matrix 50, 160 positions, female

    PXI power requirement

    4.2 W at 5 V, 1.2 W at 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.)


    266 g (9.4 oz)


    Operating temperature

    0 °C to 55 °C

    Storage temperature

    -40 °C to 70 °C

    Relative humidity

    5% to 85%, noncondensing

    Pollution Degree


    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


    5 Hz to 500 Hz, 0.3 grms


    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


    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

    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 sensitive electrical equipment for measurement, control, and laboratory use:

    • EN 61326-2-1 (IEC 61326-2-1): 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

    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.


    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.


    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:

    • 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, 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 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


    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。(For information about China RoHS compliance, go to

    • 1 Path resistance is a combination of relay contact resistance and trace resistance. Contact resistance typically remains low for the life of a relay. At the end of relay life, the contact resistance may rapidly rise above 3 Ω.

    Recently Viewed Topics