Appendix B
Serial Port Settings
PPC-2115/TPC-2515 User Manual
B-2
ni.com
COM4 Connector Pinout and Settings
The PPC-2115/TPC-2515 COM4 serial port is adjustable. You can set it to
RS-232, RS-422, or RS-485, and it has auto data flow control capability. In
other words, the PPC-2115/TPC-2515 can automatically detect the data
flow direction at this port when two-wired RS-485 communication is
activated.
The following figure and table show the COM4 pinout and settings.
COM4 Mode
S1 and S2 Setting
RS232 Mode
RS485 Mode
RS422 Master Mode
RS422 Slave Mode
1
5
9
6
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