Description
The NI 9881 is a robust industrial communication interface, specifically designed for CANopen networks. With a part number of 781673-02, this model falls under the category of Industrial Communication Interfaces, offering a reliable solution for various industrial applications.
This model, known as the NI-9881, features a single port for connection. It stands out for its conformal-coated design, ensuring durability and resistance in harsh environments. The interface type supported by this device is CANopen, a standard protocol used for communication within automation and control systems.
The NI 9881 supports a maximum baud rate of up to 1 Mbits/s, allowing for high-speed data transmission. It comes equipped with a 9-pin, D-Sub male connector, facilitating easy and secure connections. Additionally, this model includes 2 common pins, which are internally connected to the isolated reference for enhanced signal integrity. An optional shield pin (SHLD) is also available, offering further flexibility in connectivity.
One of the key features of the NI 9881 is its software-selectable bus termination. It incorporates 120 Ω termination resistors, which can be enabled or disabled through software settings, allowing for optimal signal performance across different network configurations.
| Specification | Details |
|---|---|
| Part Number | 781673-02 |
| Category | Industrial Communication Interfaces |
| Model | NI-9881 |
| Description | NI 9881, C Series CANopen Interface, 1 Port, Conformal-Coated |
| Interface Type | CANopen |
| Number of Ports | 1 |
| Maximum Baud Rate | Up to 1 Mbits/s |
| Connector Type | 9-pin, D-Sub male connector |
| Common Pins | 2, internally connected to the isolated reference |
| Optional Shield Pin | Yes (SHLD) |
| Bus Termination | Software-selectable, 120 Ω termination resistors |
Question 1: What is the part number of the NI-9881?
Answer 1: 781673-02
Question 2: What maximum baud rate does the NI-9881 support?
Answer 2: Up to 1 Mbits/s
Question 3: Does the NI-9881 have software-selectable termination?
Answer 3: Yes, with 120 Ω resistors.
Question 4: What type of connector does the NI-9881 use?
Answer 4: 9-pin, D-Sub male connector
Question 5: Is the NI-9881’s design conformal-coated?
Answer 5: Yes, for durability.


