2 Integrating the Module in PROFIBUS-DP
Function blocks for SIMATIC S7
38
XI/ON: XN-1RS232
09/2011 MN05002013Z-EN
www.eaton.com
FBSRRSXXX send and receive data
The FBSRRXXX function block is a data handling
function block for simultaneously transmitting data
to and receiving data from the XN-1RS232
module.
Figure 7:
Send/receive function block for the
SIMATIC S7 software
RxD_K1
TxD_K1
RecvData
MaxRecvData
SendData
MaxSendByte
RETVAL
SendDataCnt
RETVALSFC14
RETVALSFC15
BusySend
FBSRRSXXX
BOOL
WORD
WORD
WORD
ANY
WORD
WORD
WORD
WORD
WORD
ANY
EnableRecv
EnableSend
Quit
BOOL
BOOL
BOOL
RecvDataCnt
BusyRecv
BOOL
WORD
BOOL
BOOL
CLRBuf_Recv
CLRBuf_Send
Содержание XN-1RS232
Страница 1: ...User Manual XI ON 09 2011 MN05002013Z EN replaces M001777 02 04 2007 XN 1RS232 Technology Module...
Страница 8: ...About This Manual Writing conventions 8 XI ON XN 1RS232 09 2011 MN05002013Z EN www eaton com...
Страница 20: ...1 Product Description Base modules 20 XI ON XN 1RS232 09 2011 MN05002013Z EN www eaton com...
Страница 86: ...Index 86 XI ON XN 1RS232 09 2011 MN05002013Z EN www eaton com...