Description
The product with the part number 186906B-01, also known as alternate part number 778289-01, falls under the category of DAQ Device Accessories. It is identified by the model name BNC-2121 and serves as a Connector Block / Terminal Block. This particular model is designed to be compatible with NI-660X devices.
For connectivity, it utilizes a 68-position cable specially designed for NI-660X devices. The BNC-2121 is equipped with a plethora of features aimed at enhancing its functionality and user experience. These features include a power status LED, allowing users to easily monitor the device’s power status at a glance. Signal connectivity is facilitated through BNC connectors and screw terminals, ensuring a versatile and reliable connection.
Moreover, the device supports user-defined functions, providing flexibility in its application. Access to PFI lines is also available, alongside Digital I/O LED indicators for straightforward monitoring of digital signal status. An integrated lowpass filter is present to minimize signal noise, enhancing the signal quality. Additionally, the BNC-2121 is capable of generating 24 pulses per encoder revolution, making it suitable for precise motion control applications. It also includes a function generator for TTL compatible square waves, further broadening its utility.
In terms of physical connectivity, the device boasts 6 output spring terminals, 6 user-defined BNC connectors, and 6 user-defined bidirectional spring terminals. It also includes 2 spring terminals specifically for quadrature encoders, facilitating the connection of encoders for motion tracking and positioning. This comprehensive set of connectors makes the BNC-2121 a versatile solution for a wide range of applications requiring high-quality signal connectivity and processing.
| Specification | Detail |
|---|---|
| Part Number | 186906B-01 |
| Alternate Part Number | 778289-01 |
| Category | DAQ Device Accessories |
| Model | BNC-2121 |
| Type | Connector Block / Terminal Block |
| Compatibility | NI-660X devices |
| Connectivity | 68-position cable for NI-660X device |
| Features | Power status LED, Signal connectivity through BNC connectors and screw terminals, User-defined functions, PFI lines access, Digital I/O LED indicators, Integrated lowpass filter, Generates 24 pulses/encoder revolution, Function generator for TTL compatible square waves |
| Connectors | 6 output spring terminals, 6 user-defined BNC connectors, 6 user-defined bidirectional spring terminals, 2 spring terminals for quadrature encoders |
Question 1: What’s the part number for BNC-2121?
Answer 1: 186906B-01 or alternate 778289-01
Question 2: Does the BNC-2121 have LED indicators?
Answer 2: Yes, it includes power status and Digital I/O LEDs.
Question 3: Can the BNC-2121 connect to NI-660X devices?
Answer 3: Yes, with a 68-position cable designed for NI-660X.
Question 4: What type of functions can the BNC-2121 perform?
Answer 4: User-defined functions and function generator for TTL waves.
Question 5: How many output terminals does BNC-2121 have?
Answer 5: 6 output spring terminals and 6 bidirectional spring terminals.


