Description
The NI-9870 is a 4-Port RS232 Serial Module, with a part number of 779891-02, designed for industrial communication interfaces. This module allows for robust and reliable serial communication through its RS232 interface, supporting up to 921.6 kbit/s baud rate per port. Each of the four ports comes with a 64 B buffer size, ensuring efficient data handling.
The NI 9870 requires an external power supply, ranging from 8 to 28 VDC, and is characterized by its low power consumption—active mode consumes a maximum of 0.5 W, while sleep mode requires only 50 µW. This makes it an energy-efficient choice for various industrial applications.
Durability and reliability are key features of the NI 9870, which can operate in a temperature range of -40 °C to 70 °C and can be stored between -40 °C to 85 °C. It is designed to withstand operating vibrations of 5 grms (10 to 500 Hz) and sinusoidal vibrations of 5g (10 to 500 Hz), making it suitable for challenging industrial environments. Additionally, the module’s weight is 5.4 oz, highlighting its compact and lightweight design.
Compatibility with software is critical for seamless integration and functionality. The NI 9870 is compatible with NI-RIO, LabVIEW, Visual C#, and Visual C++, offering flexibility in programming and implementation. Furthermore, it supports a maximum cable length equivalent to 250 pF, allowing for versatile installation options.
In summary, the NI 9870 4-Port RS232 Serial Module provides a reliable solution for industrial communication needs, offering high-speed data transmission, energy efficiency, and robust performance in harsh environments. Its compatibility with popular programming environments further ensures ease of integration into existing systems.
| Specification | Detail |
|---|---|
| Part Number | 779891-02 |
| Category | Industrial Communication Interfaces |
| Model | NI-9870 |
| Description | NI 9870 4-Port RS232 Serial Module (Module Only) |
| Interface | RS232 |
| Ports | 4 |
| Power Supply | External, 8 to 28 VDC |
| Baud Rate | Up to 921.6 kbit/s per port |
| Buffer Size | 64 B per port |
| Power Consumption | Active: 0.5 W max, Sleep: 50 µW |
| Operating Temperature Range | -40 °C to 70 °C |
| Storage Temperature Range | -40 °C to 85 °C |
| Operating Vibration | 5 grms (10 to 500 Hz) |
| Sinusoidal Vibration | 5g (10 to 500 Hz) |
| Weight | 5.4 oz |
| Software Compatibility | NI-RIO, LabVIEW, Visual C#, Visual C++ |
| Cable Length (Maximum) | 250 pF equivalent |
Question 1: What’s the max baud rate per port for the NI-9870?
Answer 1: 921.6 kbit/s
Question 2: How many RS232 ports does the NI-9870 have?
Answer 2: 4 ports
Question 3: What is the external power supply range for the NI-9870?
Answer 3: 8 to 28 VDC
Question 4: What is the operating temperature range of the NI-9870?
Answer 4: -40 °C to 70 °C
Question 5: Is the NI-9870 compatible with LabVIEW?
Answer 5: Yes
