The minimum software requirements are:
Topology |
Independent |
Refer to the NI Switches Help for detailed topology information.
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.
All input characteristics are DC, ACpk, or a combination unless otherwise specified.
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Maximum switching power (per channel) |
3 W |
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Maximum switching current |
0.25 A |
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Maximum carry current |
0.3 A |
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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 |
Maximum simultaneous drive limit for PXI/PXI Express |
48 relays |
Nominal relay operate time |
0.25 ms |
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 |
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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.
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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.
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Relay type |
Reed |
Relay contact material |
Rhodium |
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I/O connectors |
2, BNC female and 2, VHDCI female |
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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) |
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.
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.
Operating temperature |
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Storage temperature |
-40 °C to 70 °C |
Relative humidity |
5% to 85%, noncondensing |
Pollution Degree |
2 |
Maximum altitude |
2,000 m |
Indoor use only.
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.) |
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This product is designed to meet the requirements of the following electrical equipment safety standards for measurement, control, and laboratory use:
For UL and other safety certifications, refer to the product label or the Online Product Certification section.
For EMC declarations, certifications, and additional information, refer to the Online Product Certification section.
This product meets the essential requirements of applicable European Directives, as follows:
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.
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.
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.