COM_Parity (ENUM) ¶ TYPE COM_Parity : <category>Parity</category> <description></description> InOut: Name Initial SYS_NOPARITY 0 SYS_ODDPARITY SYS_EVENPARITY

COM_Ports (ENUM) ¶ TYPE COM_Ports : <category>Com ports</category> <description>Com port numbers</description> InOut: Name Initial SYS_COMPORT_NONE 0 SYS_COMPORT1 1 SYS_COMPORT2 SYS_COMPORT3 SYS_COMPORT4

COM_Settings (STRUCT) ¶ TYPE COM_Settings : STRUCT <category>Com port settings</category> <description> <element name=”sPort” type=”IN”>Port number: 0=disabled, 1=COM1, 2=COM2, …. See category “Com ports”</element> <element name=”ulBaudRate” type=”IN”>Baudrate. See “category “Baudrates”</element> <element name=”byStopBits” type=”IN”>Stop bits. See category “Stop bits”</element> <element name=”byParity” type=”IN”>Parity. See category “Parity”</element> <element name=”ulTimeout” TYPE=”IN”>Hardware timeout. The Timeout is the TIME between two received OR sent characters until the read or write operation will return. Typically this value should be 0 (returns immediately)</element> <element name=”ulBufferSize” type=”IN”>Buffersize of FIFO buffer</element> </description> InOut: Name Type sPort COM_Ports byStopBits COM_StopBits byParity COM_Parity ulBaudrate COM_Baudrate ulTimeout COM_Timeout ulBufferSize UDINT

COM_SettingsEx (STRUCT) ¶ TYPE COM_SettingsEx : STRUCT <category>Com port extended settings</category> <description> <element name=”byByteSize” TYPE=”IN”>Number OF bits/BYTE, 4-8</element> <element name=”bBinary” TYPE=”IN”>binary mode, no EOF check</element> <element name=”bOutxCtsFlow” TYPE=”IN”>CTS handshaking on output</element> <element name=”bOutxDsrFlow” TYPE=”IN”>DSR handshaking on output</element> <element name=”bDtrControl” TYPE=”IN”>DTR Flow control</element> <element name=”bDsrSensitivity” TYPE=”IN”>DSR Sensitivity</element> <element name=”bRtsControl” TYPE=”IN”>Rts Flow control</element> <element name=”bTXContinueOnXoff” TYPE=”IN”>XOFF continues Tx</element> <element name=”bOutX” TYPE=”IN”>XON/XOFF out flow control</element> <element name=”bInX” TYPE=”IN”>XON/XOFF in flow control</element> <element name=”XonChar” TYPE=”IN”>Tx AND Rx XON character</element> <element name=”XoffChar” TYPE=”IN”>Tx AND Rx XOFF character</element> <element name=”XonLim” TYPE=”IN”>transmit XON threshold</element> <element name=”XoffLim” TYPE=”IN”>transmit XOFF threshold</element> </description> InOut: Name Type byByteSize BYTE bBinary BOOL bOutxCtsFlow BOOL bOutxDsrFlow BOOL bDtrControl BOOL bDsrSensitivity BOOL bRtsControl BOOL bTXContinueOnXoff BOOL bOutX BOOL bInX BOOL byXonChar BYTE byXoffChar BYTE wXonLim WORD wXoffLim WORD

COM_StopBits (ENUM) ¶ TYPE COM_StopBits : <category>Stop bits</category> <description></description> InOut: Name Initial SYS_ONESTOPBIT 1 SYS_ONE5STOPBITS SYS_TWOSTOPBITS

COM_Timeout (ENUM) ¶ TYPE COM_Timeout : <category>Timeouts</category> <description></description> InOut: Name Initial SYS_NOWAIT 0 SYS_INFINITE 16#FFFFFFFF

SysComClose30 (FUN) ¶ FUNCTION SysComClose30 : RTS_IEC_RESULT InOut: Scope Name Type Return SysComClose30 RTS_IEC_RESULT Input hCom RTS_IEC_HANDLE

SysComGetSettings30 (FUN) ¶ FUNCTION SysComGetSettings30 : RTS_IEC_RESULT InOut: Scope Name Type Return SysComGetSettings30 RTS_IEC_RESULT Input hCom RTS_IEC_HANDLE pSettings POINTER TO COM_Settings pSettingsEx POINTER TO COM_SettingsEx

SysComOpen30 (FUN) ¶ FUNCTION SysComOpen30 : RTS_IEC_HANDLE InOut: Scope Name Type Return SysComOpen30 RTS_IEC_HANDLE Input sPort COM_Ports pResult POINTER TO RTS_IEC_RESULT

SysComRead30 (FUN) ¶ FUNCTION SysComRead30 : UDINT InOut: Scope Name Type Return SysComRead30 UDINT Input hCom RTS_IEC_HANDLE pbyBuffer POINTER TO BYTE ulSize UDINT ulTimeout COM_Timeout pResult POINTER TO RTS_IEC_RESULT