Siemens SINUMERIK 840D sl Function Manual page 1058

Detailed description
2.7 Structure and functions of the basic program
Figure 2-17
Relevant parameters (FB1)
MCP
MCPNum=1 or 2 (number of MCPs)
MCP1In
MCP1Out
MCP1StatSend
MCP1StatRec
MCP1BusAdr
MCP1Timeout
MCP1Cycl
MCPMPI = TRUE (MPI)
MCP1Stop
MCPBustype=0
74
MPI connection
MCP2In
MCP2Out
MCP2StatSend
MCP2StatRec
MCP2BusAdr
MCP2Timeout
MCP2Cycl
MCP2Stop
HHU
BHG=2
(transfer via COM module)
BHGIn
BHGOut
BHGStatSend
BHGStatRec
BHGInLen
BHGOutLen
BHGTimeout
BHGCycl
BHGRecGDNo
BHGRecGBZNo
BHGRecObjNo
BHGSendGDNo
BHGSendGBZNo
BHGSendObjNo
BHGMPI = TRUE (MPI)
BHGStop
Basic logic functions: PLC Basic program powerline (P3 pl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0