The NI SMB-214x is a shielded signal accessory for NI FlexRIO™ digitizer adapter modules (NI 5751 and NI 5752). NI SMB-214x accessories provide easy connections to other devices for testing and debugging.
The guide introduces the NI SMB-2145/2146/2147/2148 shielded signal accessories, which provide analog and digital I/O connections for NI FlexRIO™ digitizer adapter modules (NI 5751 and NI 5752). It lists each accessory type and the required cables, and explains the conventions used throughout the document.
Installation steps cover installing the appropriate NI 5751R or NI 5752R module, connecting the supplied VHDCI cables, and securing the connectors. The manual also details the VHDCI pinout, signal routing, and cautions about exceeding rating limits. Technical support information and related documentation links are provided at the end.
| Analog input channels | 0‑31 |
|---|---|
| Digital input channels | 0‑15 |
| Digital output channels | 0‑15 |
| Ground reference | GND pin |
| Reserved pins | System use only |
The accessories work with the NI 5751 and NI 5752 FlexRIO digitizer adapter modules.
The analog input accessory for the NI 5752 uses cable part number SHC68‑C68‑D3 (188143B‑01).
The SMB‑2146 provides digital output channels numbered 0 through 15.
Technical support is available through the National Instruments website at ni.com/support.