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780879-10

The NI 9871E is a 4-port RS422/RS485 serial module by National Instruments, supporting up to 3.6864 Mbps baud rate, for CompactRIO systems.

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    Description

    The Part Number 780879-01 refers to an essential component in the realm of Single-Board RIO Modules, specifically, the sbRIO-9871. This particular model falls under the category of National Instruments’ C Series Serial Interface Module, designed to enhance the capabilities of CompactRIO systems. It is recognized for its detailed description as the NI 9871E 4-PORT RS422/RS485 SERIAL MODULE BOARD-ONLY (QTY 10), ensuring high-quality performance and reliability.

    The sbRIO-9871 model is equipped with 4 fully isolated RS485/RS422 ports, adhering to the ANSI/EIA/TIA-485 port standard. This specification ensures compatibility and flexibility for various industrial applications. The module boasts an impressive Maximum Baud Rate of 3.6864 Mbps, with a Throughput Rate of 1.28 Mbps, facilitating efficient data transmission and communication.

    Power supply requirements are accommodated with an External Supply Voltage (Vsup) range of +8V to +28V, ensuring versatility in various operating environments. The Safe Voltage Range (RS485/422 port to COM) is specified as -8 VDC to +13 VDC, with a Maximum Safe Voltage (Vsup to COM) of ±28 VDC, highlighting the module’s robustness and reliability in safeguarding against voltage fluctuations.

    Moreover, the sbRIO-9871 is designed with ESD Protection, further enhancing its durability and ensuring long-term operational stability in demanding industrial settings. This meticulous attention to detail in its specifications underscores the commitment to quality and performance that National Instruments brings to its product offerings.

    Specification Detail
    Part Number 780879-01
    Category Single-Board RIO Modules
    Model sbRIO-9871
    Description NI 9871E 4-PORT RS422/RS485 SERIAL MODULE BOARD-ONLY (QTY 10)
    Manufacturer National Instruments
    Series C Series Serial Interface Module
    Compatibility CompactRIO systems
    Ports 4 fully isolated RS485/RS422
    Port Standard ANSI/EIA/TIA-485
    Maximum Baud Rate 3.6864 Mbps
    Throughput Rate 1.28 Mbps
    External Supply Voltage (Vsup) +8V to +28V
    Safe Voltage Range (RS485/422 port to COM) -8 VDC to +13 VDC
    Maximum Safe Voltage (Vsup to COM) ±28 VDC
    ESD Protection -15

    Question 1: What is the max baud rate of the sbRIO-9871?
    Answer 1: 3.6864 Mbps

    Question 2: How many RS485/RS422 ports does the sbRIO-9871 have?
    Answer 2: 4 ports

    Question 3: What is the Vsup range for the sbRIO-9871?
    Answer 3: +8V to +28V

    Question 4: What is the safe voltage range for RS485/422 to COM?
    Answer 4: -8 VDC to +13 VDC

    Question 5: Does the sbRIO-9871 feature ESD protection?
    Answer 5: Yes