Serial Settings:Flow Control
- Updated2025-03-14
- 1 minute(s) read
Specifies the flow control method used for both transmitting and receiving data. Valid values include: (0) Flow None, (1) Flow XON/XOFF, (2) Flow RTS/CTS, (3) Flow XON/XOFF and RTS/CTS, (4) Flow DTR/DSR, (5) Flow XON/XOFF and DTR/DSR. Certain values or combinations of values may not be supported by all serial ports and/or operating systems.
Remarks
The following table lists the characteristics of this property.
Short Name | Flow Cntrl |
Data type | ![]() |
Permissions | Read/Write |
Available in Run-Time Engine | Yes |
Available in Real-Time Operating System | Yes |
None | 0 | |
XON/XOFF | 1 | |
RTS/CTS | 2 | |
XON/XOFF & RTS/CTS | 3 | |
DTR/DSR | 4 | |
XON/XOFF & DTR/DSR | 5 |