PXI-2501 Specifications

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.

Conditions

Specifications are valid at 23 °C unless otherwise noted.

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

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

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
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
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, certifications, and additional information, refer to the Online Product Certification section.

CE Compliance 1378

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)

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)

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.