L4437A KEYSIGHT | Alldatasheet
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Keysight Technologies L4437A 32-Channel Form A/Form C General Purpose Switch Data Sheet – LXI compliance includes built-in Ethernet connectivity – Fully-featured graphical web interface – 28 Form C channels up to 1 A, 60 W – 4 Form A channels up to 5 A, 150 W – Armature latching relays – Relay counter – Temperature sensor for overheating conditions – Simultaneous channel switching – Software drivers for most common programming environments
General purpose switch offers high-power signal switching The Keysight Technologies L4437A is a general purpose switch that is LXI Class C compliant. With its small size and Ethernet connectivity, this switch can be placed wherever your application needs it. The L4437A has 32 general purpose switches that can be used to cycle power to products under test, control status lights, and to actuate external power relays and solenoids. 28 channels are Form C switches for basic switching needs. Four additional Form A channels are offered for high-power switching needs. Using this LXI instrument, you’ll get all the benefits of an Ethernet connection, instrument web server, standard software drivers and more. The LXI standard is supported by multiple vendors, enabling lower cost of test with accelerated test integration and development. Introduction
Figure 1. L4437A 32-Ch General Purpose Switch. line-switching applications. nize switch closures and openings. are nearing their end of life. a repeatable, accurate measurement.
Figure 2. The Web interface makes it easy to set up, troubleshoot and monitor your test remotely. integrate instruments into your system. instrument from remote locations. access for additional security.
05 | Keysight | L4437A 32-Channel Form A/Form C General Purpose Switch - Data Sheet High-performance switching wherever your application needs it Power button Status LEDs External trigger to synchronize events Optional GPIB Built-in Ethernet Easy connection options with terminal blocks, standard 50-pin cables or connector kits
06 | Keysight | L4437A 32-Channel Form A/Form C General Purpose Switch - Data Sheet Product specifications Specifications and characteristics Channels/configurations 28 form C 4 form A Switch type Armature latching Input characteristics (per channel) Max volts (DC, AC RMS) 1 Form C, 300 V Form A, 30 VDC/250 VAC Max current (DC, AC RMS) Form C, 1 A switch (2 A carry) Form A, 5 A switch (8 A carry) Power (W, VA) 2 Form C, 60 W Form A, 150 W Volt-Hertz limit 108 General specifications Offset voltage < 3 uV Initial closed channel resistance Form C, 125 mΩ Form A, 50 mΩ DC isolation (ch-ch, ch-earth) >10 GΩ AC characteristics Bandwidth at terminal block
10 MHz
Crosstalk at terminal block (ch-ch) 3 100 kHz
1 MHz
Capacitance at terminal block Ch-Ch Ch-earth Form C, 12 pF/Form A 10 pF75 pF Form C, 21 pF/Form A 19 pF General characteristics Relay life typical Form C, 100 M/100 k Form A, 50 M/30 k Open / close time, typical Form C, 4 ms/4 ms Form A, 10 ms/10 ms Initial/reset relay state Form C, maintains state Form A, user configurable Analog bus connection No 1. DC or AC RMS voltage, channel-to-channel or channel-to-earth 2. Limited to 6 W of channel resistance power loss 3. 50 Ohm source, 50 Ohm load, differential measurements verified (S21)
07 | Keysight | L4437A 32-Channel Form A/Form C General Purpose Switch - Data Sheet Product specifications (continued) General system specifications Power supply Universal 100 V to 240 V ±10% Power line frequency 50 Hz to 60 Hz ±10% automatically sensed Power consumption 15 VA Operating environment Full accuracy for 0°C to 55°C Full accuracy to 80% R.H. at 40 °C Pollution degree 1 of IEC 61010-1 Storage environment -40°C to 70°C Dimensions (H x W x L) 40.9 x 212.3 x 379.3 mm 1.61 x 8.36 x 14.93 in Weight 3.8 kg, 8.4 lbs Safety conforms to CSA, UL/IEC/EN 61010-1 EMC conforms to IEC/EN 61326-1, CISPR 11 Warranty 3 years Memory States 5 instrument states with user label in non-volatile memory Software Keysight connectivity software included Keysight I/O Libraries Suite version 14 or greater (E2094N) Minimum system requirements PC hardware Intel Pentium 100 MHz, 64 Mbyte RAM, 210 Mbyte disk space Display 800x600, 256 colors, CD-ROM drive Operating system Windows 98 SE/NT/2000/XP Computer interfaces Standard LAN 10BaseT/100BaseTx Optional IEEE 488.2 GPIB Software driver support for programming languages Software drivers IVI-C and IVI-COM for Windows NT/2000/XP, LabVIEW Keysight VEE Pro National Instruments TestStandMeasurement Studio, LabWindows/CVI, LabVIEW, Switch Executive Microsoft VisualStudio.NET, C/C++, Visual Basic 6 1. Load I/O Libraries Version M for Windows NT support or version 14.0 for Windows 98 SE support
08 | Keysight | L4437A 32-Channel Form A/Form C General Purpose Switch - Data Sheet
Ordering information
L4433A Dual/Quad 4x8 Reed Matrix Includes User’s guide on CD, power cord, and Quick Start package Option GPIB Adds GPIB interface Option 0B0 Deletes printed manual set, full documen - tation included on CD ROM Option ABA English printed manual set Connection Options Select terminal block for discrete wiring, cables or connector kits. Cables and con - nector kits require 2 per instrument. 34937T Terminal block for 34937A and L4437A General Purpose Switch Y1135A 1.5 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V Y1136A 3 m 50-pin Dsub, M/F twisted pair with outer shield cable – 300 V Y1139A Solder cup connector kit with female 50- pin Dsub Other accessories Y1160A Rack mount kit for L4400 series instru - ments-racks 2 instruments side-by-side with sliding tray Note: when using the L4400 Series Rack Mount Kit, use the Y1139A solder cup con- nector kit rather than the 34921T terminal block. For additional information please visit: http://www.keysight.com/find/L4437A Related literature Related literature Data sheets 5988-6302EN, Keysight VEE Pro 5989-1439EN, Keysight E2094N I/O Libraries Suite 15.5
www.keysight.com/find/mykeysight A personalized view into the information most relevant to you. www.axiestandard.org AdvancedTCA® Extensions for Instrumentation and Test (AXIe) is an open standard that extends the AdvancedTCA for general purpose and semiconductor test. Keysight is a founding member of the AXIe consortium. ATCA®, AdvancedTCA®, and the ATCA logo are registered US trademarks of the PCI Industrial Computer Manufacturers Group. www.lxistandard.org LAN eXtensions for Instruments puts the power of Ethernet and the Web inside your test systems. Keysight is a founding member of the LXI consortium. www.pxisa.org PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged, PC-based high-performance measurement and automation system. Three-Year Warranty www.keysight.com/find/ThreeYearWarranty Keysight’s commitment to superior product quality and lower total cost of ownership. The only test and measurement company with three-year warranty standard on all instruments, worldwide. www.keysight.com/go/quality Keysight Technologies, Inc. DEKRA Certified ISO 9001:2008 Quality Management System Keysight Channel Partners www.keysight.com/find/channelpartners Get the best of both worlds: Keysight’s measurement expertise and product breadth, combined with channel partner convenience. www.keysight.com/find/L4437A For more information on Keysight Technologies’ products, applications or services, please contact your local Keysight office. The complete list is available at: www.keysight.com/find/contactus Americas Canada (877) 894 4414 Brazil 55 11 3351 7010 Mexico 001 800 254 2440 United States (800) 829 4444 Asia Pacific Australia 1 800 629 485 China 800 810 0189 Hong Kong 800 938 693 India 1 800 112 929 Japan 0120 (421) 345 Korea 080 769 0800 Malaysia 1 800 888 848 Singapore 1 800 375 8100 Taiwan 0800 047 866 Other AP Countries (65) 6375 8100 Europe & Middle East Austria 0800 001122 Belgium 0800 58580 Finland 0800 523252 France 0805 980333 Germany 0800 6270999 Ireland 1800 832700 Israel 1 809 343051 Italy 800 599100 Luxembourg +32 800 58580 Netherlands 0800 0233200 Russia 8800 5009286 Spain 800 000154 Sweden 0200 882255 Switzerland 0800 805353 Opt. 1 (DE) Opt. 2 (FR) Opt. 3 (IT) United Kingdom 0800 0260637 For other unlisted countries: www.keysight.com/find/contactus (BP-09-23-14) 09 | Keysight | L4437A 32-Channel Form A/Form C General Purpose Switch - Data Sheet This information is subject to change without notice. © Keysight Technologies, 2013-2014 Published in USA, December 2, 2014 5989-4827EN www.keysight.com