Description
Product Overview
The NI SCB-68 is a shielded I/O connector block designed by National Instruments for interfacing I/O signals to plug-in DAQ devices with 68-pin connectors. It is ideal for use with a wide range of National Instruments DAQ devices, including X Series, M Series, E Series, B Series, S Series, and R Series. The NI SCB-68 features 68 screw terminals for easy signal connection, providing a rugged and low-noise signal termination solution. It also includes two general-purpose breadboard areas for custom circuitry and sockets for interchanging electrical components. The onboard cold-junction compensation sensor enables affordable thermocouple measurements. This versatile connector block is suitable for various measurement and control applications, from simple data logging to advanced process control.
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | NI SCB-68 |
| Manufacturer | National Instruments |
| Product Type | Shielded I/O Connector Block |
| Screw Terminals | 68 |
| Temperature Sensor Accuracy | ±1.0 °C over a 0 to 110 °C range |
| Temperature Sensor Output | 10 mV/°C |
| I/O Connector | One 68-pin male SCSI connector |
| Dimensions | 7.7 in. × 6.0 in. × 1.8 in. (19.6 cm × 15.2 cm × 4.6 cm) |
| Weight | 1 lb 13 oz (650 g) |
| Operating Temperature Range | 0 °C to 70 °C |
| Storage Temperature Range | -20 °C to 70 °C |
| Relative Humidity | 5% to 90% noncondensing |
| Maximum Voltage | 30 Vrms/42 Vpk/60 VDC |
| Certifications | IEC 61010-1, EN 61010-1, UL 61010-1, CSA 61010-1 |
NI PXLE-8133
Main Features and Advantages
The NI SCB-68 offers several key features and advantages that make it a reliable choice for signal conditioning and data acquisition applications. Its shielded design and 68 screw terminals provide a rugged and low-noise solution for signal termination. The onboard cold-junction compensation sensor enables accurate thermocouple measurements, making it suitable for temperature monitoring applications. The general-purpose breadboard areas and component sockets allow for customization of signal conditioning circuits, enabling features such as filtering, voltage attenuation, and current input measurement. The NI SCB-68 is compatible with a wide range of DAQ devices, ensuring seamless integration into various measurement systems.
Application Field
The NI SCB-68 is widely used in industrial automation, data acquisition systems, and laboratory testing environments where precise signal conditioning and control are required. It is suitable for applications ranging from simple single-channel measurements to complex, multi-channel systems that require high accuracy and reliability. The connector block’s versatility makes it ideal for use in various industries, including manufacturing, research and development, and environmental monitoring.
NI PXLE-8133
Related Products
NI SCB-68A: A variant of the SCB-68 with additional features and compatibility with specific DAQ devices.
NI SCXI-1104C: A 32-channel differential voltage input module that can be used in conjunction with the SCB-68 for signal conditioning.
NI SCXI-1163R: A 32-channel relay switch module that can be integrated with the SCB-68 for high-voltage signal switching.
NI PXI-4021: A switch controller that can be used with the SCB-68 for enhanced control and automation.
LabVIEW: A graphical programming environment that can be used to control the SCB-68 and develop data acquisition and control applications.
Installation and Maintenance
Pre-installation preparation: Before installing the NI SCB-68, ensure you have the connector block, DAQ device, and appropriate cables. Turn off the power and unplug the DAQ device. Connect the SCB-68 to the DAQ device using the appropriate cable and ensure all connections are secure. Maintenance recommendations: Regularly inspect the connections for wear or damage. Clean the connector block using a soft, non-metallic brush to remove dust and ensure the device is completely dry before reusing it. Store the connector block in a dry place with relative humidity between 5% and 90% noncondensing.
Product Guarantee
The NI SCB-68 is backed by a three-year warranty from National Instruments, ensuring the quality and reliability of the product. National Instruments also provides comprehensive after-sales service and technical support to assist customers with any issues or inquiries related to the product. This ensures that customers can use the connector block with confidence, knowing that they have access to reliable support and service from a reputable company.
