National Instruments Corporation NI 9870 4-Port RS232 Serial Module W/ 4 10P10C-DE9 Cables
- 4 RS232 (TIA/EIA-232) serial ports for CompactRIO
- Baud rates from 14 b/s to 921.6 kb/s
- Data bits: 5, 6, 7, 8; Stop bits: 1, 1.5, 2; Flow control: XON/OFF, RTS/CTS, None
- Individual 64 B UART FIFO buffers per port
- 8 to 28 VDC externally powered; PC-MF4-PT cable included
- -40 to 70 C operating range
- Configure Complete CompactRIO System
- View Data Sheet
View Support Resources
The NI 9870 is a C Series module manufactured by National Instruments, designed to provide four RS232 serial ports for CompactRIO and CompactDAQ systems. Each port is isolated and supports standard RS232 communication, enabling connectivity to a wide range of serial devices such as barcode readers, GPS receivers, and other industrial equipment. The module is hot-swappable and supports high-speed data rates up to 921.6 kbps per port. The 779891-01 kit includes the NI 9870 module and four 10P10C-to-DE9 serial cables, facilitating immediate integration with standard RS232 devices. The module is engineered for reliable operation in harsh environments and is suitable for industrial automation, data acquisition, and embedded control applications.