IndexSCXI-1120 User Manual Index-3 © National Instruments Corporationregister selection and writeprocedure, 5-2DIG GND signal, 2-25, B-2digital control circuitry, 3-7 to 3-8digital I/O signal connectionsrear signal connector, 2-26 to 2-27SCXIbus pin equivalences withSCXI-1120 and data acquisitionboards, 2-27specifications and ratings, 2-27digital interface circuitry, 3-6digital signal connections, 2-4 to 2-7jumper settings (table), 2-6 to 2-7jumper W42, 2-5jumper W43, 2-5jumper W44, 2-5using jumpers W42 and W43, 2-5 to 2-6direct temperature connection(jumper W41), 2-8 to 2-9documentationconventions used, xiiorganization of manual, xi-xiirelated documentation, xiiiDTEMP signal, 2-13, D-2Eequipment, optional, 1-3 to 1-4Ffax technical support, G-1FIFO Register, 4-8filter jumpers, 2-10floating AC-coupled signal connection, 2-14floating signal connection referenced tochassis ground, 2-14FOUTEN* bit, 4-4front connectoranalog input channels, 2-13 to 2-15AC-coupled signal connection, 2-15floating AC-coupled signalconnection, 2-14floating signal connection, 2-14ground-referenced signalconnection, 2-14pin assignments, 2-12, D-1SCXI-1320 terminal blockconnecting, 2-17 to 2-18installation, 2-23jumper configuration, 2-19parts locator diagram, 2-21signal connection, 2-20temperature sensor, 2-18SCXI-1328 terminal blockconnecting, 2-17 to 2-18installation, 2-23jumper configuration, 2-19 to 2-20parts locator diagram, 2-22signal connection, 2-20temperature sensor, 2-18 to 2-19SCXI-1330 connector-and-shellassembly, 2-16 to 2-17signal descriptions, 2-13, D-2temperature sensor connection, 2-15FRT bit, 4-7functional overview. See theory ofoperation.Ggain jumpers, 2-9 to 2-10ground-referenced signal connection withhigh common-mode voltage, 2-14grounding (jumper W46), 2-7GUARD signal, 3-4, C-3Hhardscan circuitry, programming,5-10 to 5-11Hardscan Control Register (HSCR), 4-7hardware installation, 2-11HSRS* bit, 4-7Iinstallationhardware installation, 2-11SCXI-1180 feedthrough panel,E-6 to E-8SCXI-1302 50-pin terminal block, E-9SCXI-1320 terminal block, 2-23
