厦门莫格电气自动化有限公司销售Honeywell霍尼韦尔51400700-100您迈开询价的一小步，我还您成功的一大步。​51400700-10051400700-10051400700-100E***335x系列工控主板支持5路高速串口，其中COM2口支持硬件RTS/CTS流控功能，其RTS/CTS分别与E***335x的GPOI1/GPIO0复用，应用程序可以***设置是否使能RTS/CTS功能。RTS(Request-To-Send)流量控制功能由串口参数结构体DCB的fRtsControl成员设置，该成员的可用值如下（针对E***335x）：值说明RTS_CONTROL_DISABLE禁止RTS功能，对应管脚可作为GPIO使用RTS_CONTROL_HANDSHAKE启用RTS握手功能。当串口硬件输入缓冲区字符数大于40时，RTS输出高，小于24个字符时，RTS输出低RTS_CONTROL_TOGGLE当发送数据时，RTS信号线被驱动为低，缓冲区数据发送完后，RTS信号为被驱动高串口参数结构体DCB的fOutxCtsFlow成员用于指定CTS(Clear-To-Send)信号是否被监视并作为输出流量控制信号。如果此成员设置为TRUE且CTS管脚为高，则串口输出被挂起，直到CTS被拉低后重新输出。如果此成员设置为FALSE，对应管脚可作为GPIO使用。RTSHandshake与OutxCtsFlow通常是同时使能或同时禁止的，下面是设置RTS/CTS的示例代码：BOOLCCESerial::SetHandshake(BOOLbSet){DCBdcb;GetCommState(m_hSer,&dcb);//Purgeanypendingcharactersintheserialport.PurgeComm(m_hSer,(PURGE_TXABORT|PURGE_RXABORT|PURGE_TXCLEAR|PURGE_RXCLEAR));if(bSet){tsControl=RTS_CONTROL_HANDSHAKE;dcb.fOutxCtsFlow=TRUE;}else{tsControl=RTS_CONTROL_DISABLE;dcb.fOutxCtsFlow=FALSE;}returnSetCommState(m_hSer,&dcb);}除COM2口支持硬件流控外，E***335x的所有串口(包括COM2)还支持RTSToggle功能，RTSToggle主要用于RS485电路的数据收发方向控制，应用程序可以选择E***335x32位GPIO中的任意一位做为RTS信号线来实现RTSToggle功能，下面是选择GPIO作为串口RTS信号并使能RTS_CONTROL_TOGGLE的示例代码：BOOLCCESerial::SetRTSToggle(DWORDdwRTSPin){DCBdcb;BOOLbRet;bRet=DeviceIoControl(m_hSer,//filehandletothedriverIOCTL_SET_UART_RTS_PIN,//I/Ocontrolcode&dwRTSPin,//inbuffersizeof(DWORD),//inbuffersizeNULL,//outbuffer0,//outbuffersizeNULL,//pointertonumberofbytesreturnedNULL);//ignored(=NULL)if(!bRet)returnFALSE;GetCommState(m_hSer,&dcb);//Purgeanypendingcharactersintheserialport.PurgeComm(m_hSer,(PURGE_TXABORT|PURGE_RXABORT|PURGE_TXCLEAR|PURGE_RXCLEAR));tsControl=RTS_CONTROL_TOGGLE;SetCommState(m_hSer,&dcb);returnTRUE;}REDLIONPSAC0000*USED*BRADHARRISON41109-90*USED*LOTOF2TURCKRK4.4T-6*USED*TURCKBi10-G30-AP6X*USED*LOTOF2ELECTROCUBERG-2077*USED*IFMELECTRONICSOU50220UE-DPKG*USED*GENUINESTEARNSCOIL6-3-41156-09*USED*KEYENCEPZ-51LR*NICE*LOTOF2MICROUSA5SE1*USED*DECCOCOIL9-474*USED*HONEYWELLR7257A1028*USED*LOTOF4IDECRH2B-U*USED*TRIPLETT420*USED*DECCOCOIL9-11*USED*BIMBAD-15385-A-.375*USED*SCHRADERBELLOWS1.06DPSR02.0*USED*SCHRADERBELLOWS1.05NSR02.0*USED*KISSLINGPS1101301LIMITSWITCH*USED*CRYDOMD1210*USED*MACVALVE130B-111JB*USED*IFMELECTRONICIGS002*USED*VEEDER-ROOT779195-201*USED*SIGNALTRANSFORMER241-4-2371*USED*TELEMECANIQUEXCS-TA*USED*CLAROSTATPOTENTIOMETER58C120K*USED*OHMITERESISTORD175K100*USED*MACD1-11AAC-2CC*USED*PARKERG-23120V*USED*PEPPERL+FUCHSNJ4-12GM-N*USED*STECKCF420-5*USED*SQUAREDFAL3601513WCIRCUITBREAKER*USED*RA20NASD501A*USED*LUMBERGCABLERKT4-633/2M*NICE*SCHRADERBELLOWS2.00DXPSR02.0*USED*JOHNSONCONTROLSA70HA-1*NICE*PARKERB350BB549CVALVE*USED*MAC45A-L00-DDAJ-2T?E*USED*PRECISIONMULTIPLECONTROLST-168*USED*LOTOF2HUMPHREY6-S-2*USED*HUMPHREY7-D-1/2*USED*HUMPHREY7-SH-1*USED*TPCWIRE&CABLECONNECTOR64403*USED*FESTODSN-12-25P*USED*STI44510-0300*USED*SPRECHER+SCHUHLA7-32-1753*USED*(ASPICTURED)ASCO238710-006-D*USED*OHMITE0326*USED*MOTORCORPORATION3610KL-05W-****USED*MAC911A-PP-611RAVALVE*USED*TELEMECANIQUELRD04*USED*DALERESISTORHLA-225-06Z*USED*Ort:VereinigteStaatenvonAmerikaOHMITERELAYDOSYX-47*USED*SIEMENS3RV1021-0EA10*USED*TURCKRKT4-07/5*USED*REDLIONAPSCM100*USED*SQUARED9036-FG-1*USED*DWYERPRESSURESWITCH1910-0*USED*PALLRC771BZ*USED*OMRONE2E-X1C1*USED*VACONSE2***0010D01ACDRIVE*USED*BARBER-COLMAN558A-00031-000-?0-00TEMPERATURECONTROLLE...DURANTELECTRICCOUNTER7-Y-1-2-MF-PMU*USED*)