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NI PXI-2503 Specifications
24-Channel Relay Multiplexer/Matrix
Input Characteristics
This document lists specifications for the NI PXI-2503 multiplexer/matrix
module. All specifications are subject to change without notice. Visit
for the most current specifications.
ni.com/manuals
Configurations........................................ 48 × 1, 1-wire multiplexer
All input characteristics are DC, AC
specified.
Maximum switching voltage.................. 30 VAC, 60 VDC
(channel-to-channel and channel-to-ground)
Maximum switching current .................. 1 A
(per channel)
Maximum carry current ......................... 1 A
(per channel)
Maximum switching power ................... 30 W
(per channel)
24 × 1, 2-wire multiplexer
Dual 12 × 1, 2-wire multiplexers
Quad 6 × 1, 2-wire multiplexers
12 × 1, 4-wire multiplexer
4 × 6, 2-wire matrix
, or a combination, unless otherwise
rms
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Summary of Contents for National Instruments PXI-2503
- Page 1 NI PXI-2503 Specifications 24-Channel Relay Multiplexer/Matrix This document lists specifications for the NI PXI-2503 multiplexer/matrix module. All specifications are subject to change without notice. Visit for the most current specifications. ni.com/manuals Configurations........48 × 1, 1-wire multiplexer 24 × 1, 2-wire multiplexer Dual 12 ×...
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Page 2: Dynamic Characteristics
Scan rate ..........200 cycles/s, typical Relay operate time (at 20 °C) ....3 ms typical, 5 ms maximum Release time (at 20 °C) ......1.5 ms typical, 5 ms maximum Expected relay life Mechanical ........50,000,000 cycles Electrical..........2,000,000 cycles (maximum load) NI PXI-2503 Specifications ni.com... -
Page 3: Trigger Characteristics
Operating temperature......0 °C to 50 °C Storage temperature ....... –20 °C to 70 °C Relative humidity ........5% to 85% noncondensing Pollution Degree ........2 Approved at altitudes up to 2,000 m Indoor use only © National Instruments Corporation NI PXI-2503 Specifications... - Page 4 Accessories Visit for more information about the following accessories. ni.com Table 1. Accessories Available for the NI PXI-2503 Accessory Part Number NI TB-2605 terminal block 777878-01 (48 × 1, 1-wire multiplexer) (24 × 1, 2-wire multiplexer) (12 × 1, 4-wire multiplexer)
- Page 5 CH13+ CH13– CH14+ CH14– Bank2 CH15+ CH15– CH16+ CH16– CH17+ CH17– BC23 CH18+ COM3+ CH18– COM3– CH19+ CH19– CH20+ CH20– Bank3 CH21+ CH21– CH22+ CH22– CH23+ CH23– Figure 1. NI PXI-2503 Hardware Diagram © National Instruments Corporation NI PXI-2503 Specifications...
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Page 6: Compliance And Certifications
Refer to the Declaration of Conformity (DoC) for this product for any additional Note regulatory compliance information. To obtain the DoC for this product, visit , search by model number or product line, and click the ni.com/hardref.nsf appropriate link in the Certification column. NI PXI-2503 Specifications ni.com... - Page 7 *323533B-01* Product and company names mentioned herein are trademarks or trade names of their respective companies. For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your CD, or ni.com/patents. 323533B-01 Dec03 ©...