Description
The National Instruments NI-9881 C Series CANopen Interface Module, part number 151838B-81L (781673-01), is a sophisticated component designed for various industrial communication interfaces. This module is specifically tailored for applications in industrial automation, maritime electronics, off-road vehicles, medical equipment, building automation, and public transportation. It utilizes the CANopen interface to ensure reliable and efficient communication across devices.
With a model number of NI-9881, this interface module stands out for its single CANopen channel, which supports a maximum baud rate of up to 1 Mbits/s. This high-speed capability makes it an ideal choice for applications requiring fast and reliable data transmission. The module’s connectivity is facilitated by one 9-pin, D-Sub male connector, ensuring easy and secure connections.
One of the notable features of the NI-9881 is its software-selectable 120 Ω termination resistors, which allow for flexible bus termination to meet the needs of various applications. Additionally, it includes two common pins, which are internally connected to the isolated reference of the module, and an optional shield pin (SHLD) for enhanced signal integrity.
This module is an excellent choice for professionals looking for reliable and high-performance communication solutions in challenging industrial environments. Its robust design and versatile features make it a key component in the development and maintenance of complex automation systems.
| Feature | Description |
|---|---|
| Part Number | 151838B-81L (781673-01) |
| Category | Industrial Communication Interfaces |
| Model | NI-9881 |
| Description | National Instruments NI-9881 C Series CANopen Interface Module |
| Application | Industrial automation, maritime electronics, off-road vehicles, medical equipment, building automation, public transportation |
| Interface | CANopen |
| Channel Count | 1 CANopen channel |
| Maximum Baud Rate | Up to 1 Mbits/s |
| Connector Type | One 9-pin, D-Sub male connector |
| Common Pins | 2, internally connected to the isolated reference of the module |
| Optional Shield Pin | Yes (SHLD) |
| Bus Termination | Software-selectable 120 Ω termination resistors |
Question 1: What is the maximum baud rate of NI-9881?
Answer 1: Up to 1 Mbits/s
Question 2: How many CANopen channels does NI-9881 have?
Answer 2: 1 CANopen channel
Question 3: What type of connector does NI-9881 use?
Answer 3: 9-pin, D-Sub male connector
Question 4: Can the termination resistors on NI-9881 be adjusted?
Answer 4: Yes, they are software-selectable
Question 5: What are the applications of NI-9881?
Answer 5: Industrial automation, maritime electronics, and more



