Description
The product features a variety of part numbers, including 779892-01, 779892-02, and 779892-03, catering to different configurations or versions available for specific needs. It is equipped with a 4-Port, RS485/RS422 interface, ensuring versatile connectivity options for various industrial applications.
Designed for use with the LabVIEW Full Development System for Windows, this device offers seamless integration with one of the most popular programming environments, facilitating easy development and deployment of custom applications.
The device boasts a maximum baud rate of 3.6864 Mbps, allowing for high-speed data transmission that can support demanding communication requirements. It is also designed with ±15 kV ESD protection on data lines, offering robust protection against electrostatic discharge and enhancing the reliability and longevity of the device.
With support for a maximum cable length of 1.2 km (4,000 ft.), installations can be flexible, and devices can be positioned at considerable distances, expanding the potential for system setup and deployment. The power consumption is efficiently managed with a maximum of 0.5 Watts during active operation and a mere 50 µWatts (max) during standby or sleep modes, highlighting the device’s energy efficiency.
An external power supply requirement of up to 3.5 Watts (max) from a +8 to +28 VDC source ensures that the device can be easily integrated into a wide range of power environments without the need for specialized power sources. The device is designed to provide 60 VDC continuous isolation, port-to-earth ground, with the ability to withstand isolation up to 1000 Vrms, offering significant protection against electrical surges and enhancing system safety.
The connector type utilized is a four-position, female pigtail; DB-9 male front panel connector, ensuring compatibility with standard communication and power interfaces. At a weight of 5.4 oz., the device is relatively lightweight, making it easy to install in a variety of locations without requiring substantial support structures.
Finally, the operating temperature range of –
| Feature | Specification |
|---|---|
| Part Numbers | 779892-01, 779892-02, 779892-03 |
| Ports | 4-Port, RS485/RS422 |
| Programming Environment | LabVIEW Full Development System for Windows |
| Maximum Baud Rate | 3.6864 Mbps |
| ESD Protection | ±15 kV data line |
| Maximum Cable Length | 1.2 km (4,000 ft.) |
| Power Consumption (Active) | 0.5 Watts (max) |
| Power Consumption (Standby/Sleep) | 50 µWatts (max) |
| External Power Supply | 3.5 Watts (max) from +8 to +28 VDC |
| Isolation | 60 VDC continuous, port-to-earth ground |
| Withstand Isolation | 1000 Vrms |
| Connector Type | Four-position, female pigtail; DB-9 male front panel connector |
| Weight | 5.4 oz. |
| Operating Temperature Range | –40 to 70 °C |
| Question 1: What RS interfaces does NI-9871 support? Answer 1: Supports 4-Port RS485/RS422. Question 2: What is the max baud rate of NI-9871? Question 3: Does NI-9871 have ESD protection? Question 4: What’s the max cable length for NI-9871? Question 5: What power supply does NI-9871 require? |
