Portable, Shielded SCC Module Carriers
SC-2345 Carrier with Configurable Connectors
The SC-2350 contains a TEDS microcontroller with two digital
The SC-2345 with Configurable Connectors is electrically and lines per analog input channel for communication with Class II
functionally identical to the SC-2345 connector block. The only smart TEDS sensors (for more information on smart TEDS sensors
differences are the orientation of some modules and the addition of refer to ni.com/sensors).
I/O connector and interface panelettes. This carrier is available with
either a side 68-pin connector (recommended for DAQCard products) Sensors Plug&Play™
or a rear 68-pin connector (recommended for DAQPad products).
The IEEE 1451.4 standard delivers plug-and-play capability to
The SC-2345 with Configurable Connectors handles dual-stage analog sensors. End users, systems integrators, and developers can
conditioning and digital I/O modules. It also offers custom automate the configuation of measurement systems for analog
connectivity by adding panelettes along its front and rear panels. sensors. By defining an easy add-on approach that brings TEDS
Select up to 18 panelettes for side-mount 68-pin versions, or benefits to all types of sensors, the standard makes data acquisition
15 panelettes for rear-mount 68-pin versions. With I/O panelettes, systems easier to set up, configure, and maintain. The TEDS
you can connect your sensor directly to the SCC system. With structure is compact and flexible enough to handle a very wide range
interface panelettes, you can add hardware controls and displays to of sensor requirements.
your system. Blank panelettes are also available to fill unused
positions or for modification to fit your custom application needs.
Smart TEDS Sensors
An IEEE 1451.4 smart TEDS sensor consists of the analog
SC-2350
components and an embedded memory chip, which together provide
The SC-2350 includes 10 SCC module sockets, labeled J1 through J8, the mixed-mode interface for analog and digital signals. A smart
J17, and J18 (see Figure 3). Sockets J1 through J8 accommodate SCC TEDS sensor identifies and describes itself – providing the
modules for conditioning signals on the analog input channels of the manufacturer, sensor model number, serial number, measurement
DAQ device. For example, an SCC module plugged into socket J1 range, sensitivity, and calibration information. TEDS information
would condition signals for channels 0 and 8 of the device. You can resides on a memory chip (EEPROM) within the sensor and is
use sockets J17 and J18 for SCC modules that condition analog accessed by measurement systems such as the SC-2350 via a simple
signals on the output channels of the DAQ device.
low-cost serial interface.
Figure 3. Diagram of Socket Layout for SC-2350
1SCC Socket Reference Designator
2SCC Socket
5Serial Number
6Assembly Number
7Screw-Terminal Block
8J24
9Power LEDs
10J25
3SCC Key Slot
11J21
450-Pin Test Header
2
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