{"id":2357,"date":"2019-08-08T13:07:22","date_gmt":"2019-08-08T13:07:22","guid":{"rendered":"https:\/\/35.94.173.37\/blog\/?p=2357"},"modified":"2024-11-04T13:09:00","modified_gmt":"2024-11-04T13:09:00","slug":"national-instruments-scxi-part-9","status":"publish","type":"post","link":"https:\/\/www.apexwaves.com\/blog\/national-instruments-scxi-part-9\/","title":{"rendered":"National Instruments SCXI: Part 9"},"content":{"rendered":"

Part 9 in our\u00a0National Instruments SCXI blog series<\/a><\/strong>\u00a0will describe the different types of DIN-Rail Mountable Terminal Blocks and SCXI Cable Assemblies. DIN-Rail Mountable Terminal Blocks have features like shielded, low-noise cabling and easily accessible screw terminals for field wiring.<\/p>\n

 <\/p>\n

One of these\u00a0terminal blocks<\/a><\/strong>\u00a0is the\u00a0TBX-1303<\/strong>, designed for thermocouples. The\u00a0NI TBX-1303<\/strong>\u00a0is also effective for general-purpose applications. This terminal block includes special features for thermocouples, including isothermal construction with a plastic cover to minimize thermal gradients, open-thermocouple detection circuitry, and automatic ground referencing circuitry.<\/p>\n

When using the\u00a0TBX-1303<\/strong>\u00a0with the\u00a0SCXI-1102 Series<\/strong>, this terminal block provides a high-impedance path to ground, so that systems work reliably with either floating or ground-referenced thermocouples. For applications with the\u00a0SCXI-1100<\/a><\/strong>, you can configure the channels to be ground-referenced or floating in blocks of eight channels. For general purpose applications, this terminal block includes 108 terminals, including CH+, CH-, and shield for each input channel. The\u00a0TBX-1303<\/strong>\u00a0also works with the\u00a0SCXI-1181<\/strong>\u00a0breadboard module.<\/p>\n

Other DIN-Rail Mountable SCXI Terminal Blocks include the\u00a0TBX-1325<\/strong>,\u00a0TBX-1326<\/strong>,\u00a0TBX-1328<\/strong>,\u00a0TBX-1329<\/strong>,\u00a0TBX-24F<\/strong>, and\u00a0TBX-96<\/strong>.<\/p>\n

 <\/p>\n

Next, there are the SCXI cable assemblies, which connect the I\/O connector of a data acquisition device to the SCXI system. For applications operating in multiplexed mode, choose the appropriate SCXI cable assembly to match your data acquisition device.<\/p>\n

The\u00a0SCXI-1352<\/strong>\u00a0kit is designed for connecting two or three SCXI modules together in a \u201ccascaded\u201d configuration. For example, you can cascade the isolation amplifier and filter modules in front of one another. The kit contains two ribbon cables; one cable (R1650) has a 16-pin connector on one end and a 50-pin connector on the other end, whereas the other (R165050) has a 16-pin connector on one end and two 50-pin connectors on the other end. The 16-pin connectors are designed to connect to the inside of an\u00a0SCXI-114x<\/strong>\u00a0module and the 50-pin connectors are designed to connect to the rear connectors of one of the following SCXI modules:\u00a0SCXI-1120<\/strong>,\u00a0SCXI-1120D<\/strong>,\u00a0SCXI-1121<\/strong>, and\u00a0SCXI-1125<\/strong>.<\/p>\n

 <\/p>\n

\"\"<\/p>\n

 <\/p>\n

National Instruments SCXI-1349<\/a><\/strong>\u00a0adapters are used in conjunction with a separate shielded data acquisition cable (SH6868 for E Series devices or SHC68-68-EP for M Series devices and DAQCards) to connect the I\/O connector of a DAQ device to an SCXI front-end signal conditioning system. For most applications, where SCXI operates in multiplexed mode, only one NI SCXI-1349 is required to connect a multimodule SCXI system to a single DAQ device. If you are using SCXI modules in parallel (nonmultiplexed) mode, you will need an\u00a0SCXI-1349<\/strong>\u00a0and cable to connect each parallel-mode SCXI module to a DAQ device.<\/p>\n

You can use the\u00a0SCXI-1351<\/strong>\u00a0one-slot cable extender to connect the extra 50-pin male breakout connector of an SCXI cable assembly to an\u00a0SCXI-1181<\/strong>\u00a0breadboard module installed in an adjacent slot. The\u00a0SCXI-1351<\/strong>\u00a0includes a second 50-pin male breakout connector to daisy-chain the signals to an additional\u00a0SCXI-1181<\/strong>\u00a0or\u00a0SCXI-1180<\/strong>\u00a0feedthrough panel. An\u00a0SCXI-1180<\/strong>\u00a0feedthrough panel installed in a slot directly adjacent to a module with a connected SCXI cable assembly does not require the\u00a0SCXI-1351<\/strong>\u00a0cable extender. You also use the\u00a0SCXI-1351<\/strong>\u00a0to connect the PSH27-50F-D1 cable from the DAQCard-DIO-24, or the NB5\/NB6 or R1005050 cable from a DIO-96, or PXI 6508 board to an SCXI chassis.<\/p>\n

There is also the\u00a0SCXI-1153<\/strong>, which has cable lengths of 10 m maximum and a mounting bracket for a dependable connection to the SCXI chassis. The\u00a0NI SCXI-1357<\/strong>\u00a0has cable lengths of 2 m and has a 4-slot high-voltage analog bus. The\u00a0SCXI-1358<\/strong>\u00a0is similar to the\u00a0SCXI-1357<\/strong>\u00a0with the same maximum cable length but a larger 12-slot high-voltage analog bus instead.<\/p>\n

The\u00a0National Instruments SCXI-1346<\/a>\u00a0<\/strong>is perfect for multichassis systems. This cable assembly routes signals from the digitizer to subsequent SCXI chassis. The\u00a0NI SCXI-1343<\/strong>\u00a0is another option which is a general-purpose SCXI adapter with screw terminals. Finally, there is the\u00a0SCXI-1355<\/strong>, which is a shielded cable assembly with cable lengths to 10 m.<\/p>\n

\"\"<\/p>\n

 <\/p>\n

Part 10, the last part in our SCXI blog series, will be on our blog next week, discussing the different types of SCXI accessories available!<\/p>\n","protected":false},"excerpt":{"rendered":"

Part 9 in our\u00a0National Instruments SCXI blog series\u00a0will describe the different types of DIN-Rail Mountable Terminal Blocks and SCXI Cable Assemblies. DIN-Rail Mountable Terminal Blocks have features like shielded, low-noise cabling and easily accessible screw terminals for field wiring.   One of these\u00a0terminal blocks\u00a0is the\u00a0TBX-1303, designed for thermocouples. The\u00a0NI TBX-1303\u00a0is also effective for general-purpose applications. […]<\/p>\n","protected":false},"author":1,"featured_media":2358,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[8],"tags":[30,82,431,474],"class_list":["post-2357","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national-instruments","tag-aerospace","tag-aviation","tag-nationall-instruments-scxi","tag-ni-scxi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/comments?post=2357"}],"version-history":[{"count":1,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2357\/revisions"}],"predecessor-version":[{"id":2359,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/posts\/2357\/revisions\/2359"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media\/2358"}],"wp:attachment":[{"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/media?parent=2357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/categories?post=2357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.apexwaves.com\/blog\/wp-json\/wp\/v2\/tags?post=2357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}