Siemens SIMATIC NET CP 243-1 - Page 8

Table of contents 09/02
CP 243-1
4 J31069-D0428-U001-A1-7618
4.4 Configuring a CP 243-1 from a user program.................................................... 36
4.4.1 Occupied system flag area (SM area) ............................................................... 37
4.4.2 Structure of the Configuration Data Blocks (CDB)............................................. 38
4.4.3 Structure of the Network Parameter Blocks (NPB)............................................ 42
4.4.4 Structure of the Network Data Blocks (NDB)..................................................... 43
4.5 Configuring a communication partner with STEP 7 ........................................... 45
4.6 Behavior of CP 243-1 in the event of configuration errors................................. 49
5 Programming.......................................................................................... 50
5.1 ETHx_CTRL....................................................................................................... 51
5.2 ETHx_CFG......................................................................................................... 53
5.3 ETHx_XFR ......................................................................................................... 54
6 Diagnostics............................................................................................. 57
6.1 Diagnostics options ............................................................................................ 57
6.2 Error messages of the CP 243-1 ....................................................................... 60
Appendix A Technical data......................................................................... 66
Appendix B Example ................................................................................... 67
Appendix C Timeouts.................................................................................. 73
Abbreviations.................................................................................................. 75
SIMATIC NET – Support and training............................................................ 76