Description
The NI-9881 is a high-performance CANopen Interface Module designated with the part number 781673-01. This module falls under the category of Industrial Communication Interfaces, designed to facilitate robust and efficient communication in a variety of demanding applications.
It is specifically engineered for use in sectors such as industrial automation, maritime electronics, off-road vehicles, medical equipment, building automation, and public transportation. These applications benefit from the module’s reliable data exchange capabilities, contributing significantly to system efficiency and safety.
The NI-9881 features 1 CANopen channel, offering a maximum baud rate of up to 1 Mbits/s. This allows for high-speed data transmission, which is critical for time-sensitive operations in industrial environments. The module is equipped with a one 9-pin, D-Sub male connector, which facilitates easy and secure physical connection to other components of the system.
Additionally, the module includes two common pins, which are internally connected to the isolated reference of the module, ensuring reliable grounding and signal integrity. It also supports an optional Shield Pin (SHLD), providing further flexibility in meeting various installation requirements.
For optimal signal transmission and noise immunity, the NI-9881 offers software-selectable 120 Ω termination resistors between CAN_L and CAN_H. This feature allows for the adjustment of bus termination to suit specific network configurations, enhancing the module’s adaptability and performance in diverse operational contexts.
| Feature | Specification |
|---|---|
| Part Number | 781673-01 |
| Category | Industrial Communication Interfaces |
| Model | NI-9881 |
| Description | CANopen Interface Module |
| Application | Industrial automation, maritime electronics, off-road vehicles, medical equipment, building automation, public transportation |
| Channels | 1 CANopen channel |
| Maximum Baud Rate | Up to 1 Mbits/s |
| Connector Type | One 9-pin, D-Sub male connector |
| Common Pins | Two, internally connected to the isolated reference of the module |
| Optional Shield Pin (SHLD) | Yes |
| Bus Termination | Software-selectable 120 Ω termination resistors between CAN_L and CAN_H |
Question 1: What is the part number of the NI-9881?
Answer 1: 781673-01
Question 2: How many CANopen channels does the NI-9881 have?
Answer 2: 1 CANopen channel
Question 3: What is the max baud rate of the NI-9881?
Answer 3: Up to 1 Mbits/s
Question 4: What type of connector does the NI-9881 use?
Answer 4: One 9-pin, D-Sub male connector
Question 5: Does the NI-9881 support termination resistors?
Answer 5: Yes, 120 Ω termination resistors
