Ni 9871. NI9871 4Port, RS485/RS422 Serial Module บริษัท เทคสแควร์ จำกัด NI-9871 Product Certification(s) NI-9871 Letter of Volatility Connect only voltages that are within these limits
3 NI9871 modules on a single VI NI Community from forums.ni.com
The four independent ports on the NI-9871 operate in isolation from each other and from the CompactRIO chassis. Search for answers to frequently asked questions and troubleshooting tips for common errors.
3 NI9871 modules on a single VI NI Community
The following steps would help you connect these serial ports with flying leads: Check the pin definitions of your device. NI 9871 | 779892-014-Port RS422/RS485 Serial Module W/ Qty Using an NI LabVIEW FPGA API, you can access the four ports directly from the CompactRIO field-programmable gate array (FPGA) to achieve flexibility in communicating with serial devices
NI 9871 (4Port RS485/RS422 Serial Interface CompactRIO Module. Search for answers to frequently asked questions and troubleshooting tips for common errors. This power supply provides the power for the RS485/RS422 transceivers on the module
Solved Stepper motor control with cRIO and RS 485 connection Page 2. You can use a cable with an RJ50 or DB-9 terminal and a flying-lead terminal to get raw leads of a serial port The module has individual buffers on every port that save FPGA space and simplify programming