Chapter 4 SC-2052©National Instruments Corporation4-3SC-205X Series User ManualSC-2052 ConnectionConnect your SC-2052 to the DAQ device via an R6850-D1 or a type NB1,50-pin ribbon cable (for the AT-DIO-32F). Make this connection with thehost computer powered off. Connect one end of the ribbon cable to theSC-2052 at either connector J1 or J2. Connect the other end to the DAQdevice installed in your computer.Warning Do not connect the SC-2052 to a board for which it is not designed. Suchconnection can damage the SC-2052 and any or all boards/accessories connectedto the SC-2052 and the host computer. National instruments is NOT liable for anydamages resulting from incorrect connections.To connect your SC-2052 to the signal conditioning accessories, use a typeNB7, 26-pin ribbon cable. This cable connects the SC-2052 to any of theSC-206X Series boards. An 8-channel SSR Series backplane with a26-conductor ribbon cable is also available for connection to the SC-2052.For instructions on making these connections to the proper signalconditioning accessories, refer to Cable Connections in Chapter 10,Installation and Operation.ConnectorsThe SC-2052 has two 50-pin ribbon cable connectors that are connectedpin-by-pin to each other. You can use either of these connectors to attachthe SC-2052 to the DAQ device via a cable. You can daisy-chain thesecond connector to other 50-pin accessories.The SC-2052 also has four 26-pin ribbon cable connectors that you canconnect to the signal conditioning accessories. The digital ports arecompatible with the SC-206X Series digital signal conditioners as well aswith the 8-channel SSR Series solid-state relay board.The SC-2052 has 2-pin screw terminals which are connected to auxiliarydigital input lines and digital output lines of the DAQ device. You can usethese screw terminals to attach these lines to appropriate external circuitry.Figure 4-2 illustrates the connections between the SC-2052 and thenecessary accessories and devices.