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PXIe-2515 Specifications

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    Last Modified: April 18, 2017
    This document lists specifications for the PXIe-2515 ( PXIe-2515) high-speed digital signal insertion switch. The NI 2515 is intended for use with compatible single-ended NI high-speed DIO devices. Refer to the NI Switches Help for a list of supported NI high-speed DIO devices. These specifications are valid within the operating temperature range. All specifications are subject to change without notice. Visit ni.com/manuals for the most current specifications.

    The minimum software requirements are:

    • NI-SWITCH 4.0
    • NI-DAQmx 9.0

    Topology

    Independent

    Refer to the NI Switches Help for detailed topology information.

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    Caution  

    The protection provided by the PXIe-2515 can be impaired if it is used in a manner not described in this document.

    About These Specifications

    Maximum and minimum specifications are warranted not to exceed these values within certain operating conditions and include the effects of temperature and uncertainty unless otherwise noted.

    Typical specifications are unwarranted values that are representative of a majority (90%) of units within certain operating conditions and include the effects of temperature and uncertainty unless otherwise noted.

    Characteristic specifications are unwarranted values that are representative of an average unit operating at room temperature.

    All specifications are characteristic unless otherwise specified.

    Nominal specifications are unwarranted values that are relevant to the use of the product and convey the expected performance of the product.

    Input Characteristics

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

    Maximum switching voltage

    Channel-to-ground

    30 V, CAT I[1]
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    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.

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    Caution  

    The maximum switching power is limited by the maximum switching current and the maximum voltage, and must not exceed 3 W.

    Maximum switching power (per channel)

    3 W

    Maximum switching current

    0.25 A

    Maximum carry current

    0.3 A
    Typical skew

    Channel-to-channel

    <130 ps (across all data channels)

    Channel-to-control

    <290 ps (across all data and control channels)

    Maximum DC path resistance (at 25 °C)

    Initial (CH x - DUT x)

    <2 Ω

    End-of-life (CH x - DUT x)

    ≥3 Ω

    Initial (Analog bus)

    <5 Ω

    End-of-life (Analog bus)

    ≥6 Ω
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    Note  

    DC path resistance typically remains low for the life of the relay. At the end of relay life, the path resistance rapidly rises above the end of life value. Load ratings apply to relays used within the specification before the end of relay life.

    Characteristic analog bus offset voltage

    <50 μV

    Characteristic analog bus leakage current

    <2 nA

    Characteristic analog bus bandwidth (3 dB, 50 Ω termination)

    50 MHz

    Characteristic crosstalk (50 Ω termination) <600 MHz

    <-10 dB

    Characteristic open channel isolation (50 Ω termination) <600 MHz

    >20 dB

    Dynamic Characteristics

    Maximum simultaneous drive limit for PXI/PXI Express

    48 relays

    Nominal relay operate time

    0.25 ms
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    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.

    Nominal release time

    0.05 ms
    Nominal expected relay life, electrical (resistive)

    1 V, 10 mA

    1 × 109 cycles

    5 V, 10 mA

    1 × 108 cycles
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    Note  

    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 ni.com/info and enter the Info Code relaylifetime. For information about inductive loads, enter the Info Code relayflyback.

    Trigger Characteristics

    Input trigger

    Sources

    PXI trigger lines <0...7>

    Minimum pulse width

    150 ns
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    Note  

    The PXIe-2515 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

    Reed
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    Note  

    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 from magnetic hard drives.

    Relay contact material

    Rhodium

    I/O connectors

    2, BNC female and 2, VHDCI female
    Characteristic power requirement
    PXI

    5 V

    9.1 W

    3.3 V

    0.45 W
    PXI Express

    12 V

    8.4 W

    3.3 V

    0.8 W
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    Note  

    The maximum power requirements depend on how many relays are closed at the same time.

    Dimensions (L × W × H)

    3U, one slot, PXI/cPCI module, PXI Express compatible 21.6 cm × 2.0 cm × 13.0 cm (8.5 in. × 0.8 in. × 5.1 in.)

    Weight

    248 g (8.7 oz)

    Estimating Reed Relay Life

    Complete the following steps to estimate relay lifetimes using the nomograph:
    1. Determine the peak voltage experienced across the relay while switching and mark this value on the Volts line.
    2. Determine the sum of the DUT, cable, and instrumentation capacitances and mark this value on the Load Capacitance line.
    3. Draw a straight line between both values. The intersection points of this line and the No Protection and 50 Ω Protection axes are the corresponding estimated relay lifetimes in cycles.

    Estimating Reed Relay Life Example

    The reed relay module is connected to a DMM through 1 meter of cable. The DMM and cable capacitances are 100 pF and 30 pF respectively. The maximum voltage switched across the relay is 50 V. Determine the estimated number of relay cycles with and without protection resistance.

    Solution

    The total load capacitance is the sum of the cable and DMM capacitance, which is 130 pF. Draw a line between the 50 V point on the Volts axis and 130 pF on the Load Capacitance axis.

    The line drawn intersects the Cycles axes at approximately 500,000 on the No Protection axis and about 25,000,000 on the 50 Ω Protection axis, as shown in the following figure. This series resistance should be placed as close as possible to the relay for maximum effect.

    Figure 1. Reed Relay Lifetime Nomograph

    Environment

    Operating temperature

    0 °C to 55 °C

    Storage temperature

    -40 °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
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    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
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    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.

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    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.

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    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)

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    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）

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    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 (Other) 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.

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