Description
The SCXI-1581 model, bearing part numbers 185540L-01L, 777966-81, falls under the SCXI & Legacy category. This device is compatible with a variety of terminal blocks, including the SCXI-1300, SCXI-1310, BNC-2095, and TBX-96, ensuring a wide range of connectivity options for different applications.
The SCXI-1300 is a front-mount terminal block featuring screw terminals designed for easy and secure connections. On the other hand, the SCXI-1310 serves as a custom kit for custom connections, allowing for flexible and tailored configuration according to specific requirements. The BNC-2095 is a rack-mount terminal block designed specifically for BNC connections, providing a robust solution for such connections. Lastly, the TBX-96 is a DIN EN mount terminal block also with screw terminals, highlighting its compatibility with standard DIN rails for easy installation.
Equipped with 32 channels, the SCXI-1581 is capable of handling multiple inputs simultaneously, making it ideal for various data acquisition tasks. It provides a current excitation of 100 µA, suitable for powering devices like RTDs and thermistors without the need for external power sources. This model is particularly well-suited for applications involving RTDs, thermistors, and high-channel-count RTD measurement systems, especially when used in conjunction with the SCXI-1102.
For compatibility with E/M Series DAQ systems, it features a back signal connector, with the CH0 signal pair designed for multiplexed mode, ensuring seamless integration and data transfer between devices. Despite its obsolete status, as announced by National Instruments, the SCXI-1581 remains available for purchase and repairs through Apex Waves, demonstrating its continued relevance and utility in various applications.
| Specification | Detail |
|---|---|
| Part Number | 185540L-01L, 777966-81 |
| Category | SCXI & Legacy |
| Model | SCXI-1581 |
| Compatible Terminal Blocks | SCXI-1300, SCXI-1310, BNC-2095, TBX-96 |
| SCXI-1300 Description | Front-Mount Terminal Block with screw terminals |
| SCXI-1310 Description | Custom kit for custom connections |
| BNC-2095 Description | Rack-Mount Terminal Block for BNC connections |
| TBX-96 Description | DIN EN Mount Terminal Block with screw terminals |
| Channels | 32 |
| Current Excitation | 100 µA |
| Applications | RTDs, thermistors, high-channel-count RTD measurement system (with SCXI-1102) |
| Connection to E/M Series DAQ | Back signal connector, CH0 signal pair for multiplexed mode |
| Obsolete Status | Announced by National Instruments, available for purchase and repairs by Apex Waves |
Question 1: What are the part numbers for the SCXI-1581?
Answer 1: 185540L-01L, 777966-81
Question 2: How many channels does the SCXI-1581 support?
Answer 2: 32 channels
Question 3: What current excitation does the SCXI-1581 provide?
Answer 3: 100 µA
Question 4: Is the SCXI-1581 compatible with the SCXI-1300 terminal block?
Answer 4: Yes, it’s compatible
Question 5: Can the SCXI-1581 be used with RTDs and thermistors?
Answer 5: Yes, it’s suitable for RTDs and thermistors

