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The SC-2070 is a general-purpose termination breadboard that makes it easy to connect to all MIO-16
board I/O signals; add analog input signal conditioning, such as filters, dividers, and thermocouple
compensation; and build external, custom timing, analog, and digital circuits.
The SC-2070 board is used with National Instruments DAQ boards for the Macintosh (NB Series),
IBM PS/2 Micro Channel (MC Series), and PC/XT/AT and compatible (AT Series) computers.
The SC-2070 board has screw terminals for all DAQ board signals. With these terminals, the board
easily connects to the analog, digital, timing, and trigger signals. The SC-2070 has an onboard
temperature sensor that can be optionally jumpered to differential channel 0 for thermocouple coldjunction
compensation. With open component positions in the input paths, you can insert resistors and
capacitors for conditioning the 16 single-ended or 8 differential analog input signals. A 1.5 by 4 in.
general-purpose breadboard area is also included. The SC-207X Series boards can also be used in
conjunction with the other signal conditioning accessories, including the SC-206X Series boards and
SSR Series boards. To connect multiple signal conditioning accessories, you must use an SC-205X
Series cable adapter board.
This manual describes the mechanical and
electrical aspects of the SC-2070, SC-2071, and SC-2072 boards and contains
information about installing and making connections to the boards. The SC-207X
Series boards are general-purpose termination breadboards. These breadboards
connect to the National Instruments multifunction data acquisition (DAQ) boards
for the IBM PC/XT/AT, Personal System/2, and compatible computers, and Macintosh
Only the SC-2070 and the SC-2075 can be
used with M Series DAQ devices, including USB Mass Termination M Series devices.
The SC-2070 is not supported under NI-DAQmx,
so it will not show up in the accessory list for the PCI-M10-16E under "NI-DAQmx
Devices" in Measurement & Automation Explorer. As of NI-DAQ 7.4, the SC-2070 is
still supported under Traditional NI-DAQ, so it does show up in the accessory
list for the PCI-M10-16E under "Traditional NI-DAQ (Legacy) Devices" in MAX. The
SC-2070 has been discontinued, and currently there are no plans to add support
for it in NI-DAQmx.
All the signals from the DAQ board, both analog and digital, are made available at screw
terminals. Each of the SC-207X Series boards is connected directly to the DAQ board by a
50-pin ribbon cable.
Each differential analog input has seven open positions for signal conditioning components. Six of
these positions are designated as resistors, and one is designated as a capacitor. The board is shipped
with jumpers in two positions for each input. The equivalent circuit of one input is shown in
Figure 2-2. The board can be used when the MIO-16 board is configured for both 16 single-ended
inputs and eight differential inputs. For thermocouple and other low-level applications, best results are
obtained when differential inputs are used. For specific applications illustrating signal conditioning
with both single-ended and differential inputs, refer to Applications in NI's Documentation.
For NI's pdf on this board - use the following link
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