P3: Basic PLC Program for SINUMERIK 840D sl
13.8 Structure and functions of the basic program
Basic Functions
900
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
840D sl: PROFIBUS connection on the MPI/DP port
With the PROFIBUS connection of the MCP, this component must be considered in the STEP 7 hardware
configuration. The MCP is connected on the MPI/DP bus of the PLC.
The addresses must be stored in the input and output log range. These start addresses must also be stored in
the pointer parameters of the FB1. The FB1 parameters listed below are used for further parameter assignment.
There is no PROFIBUS variant of the HHU. For this reason, an Ethernet connection is shown for the HHU in this
diagram. The PROFIBUS slave address must be stored in the MCP1BusAdr and MCP2BusAdr. Enter the pointer
to the configured diagnostic address (e.g. P#A8190.0) in MCPxStatRec.
Figure 13-18 840D sl: PROFIBUS connection on the MPI/DP port
Relevant parameters (FB1)
MCP
HHU
MCPNum = 1 or 2 (number of MCPs)
HHU = 5 (via CP 840D sl)
MCP1In
MCP2In
BHGIn
MCP1Out
MCP2Out
BHGOut
MCP1StatSend (n.r.)
MCP2StatSend (n.r.)
BHGStatSend
MCP1StatRec
MCP2StatRec
BHGStatRec
MCP1BusAdr
MCP2BusAdr
BHGInLen
MCP1Timeout
MCP2Timeout
BHGOutLen
MCP1Cycl (n.r.)
MCP2Cycl
BHGTimeout (n.r.)
MCPMPI = FALSE
BHGCycl (n.r.)
MCP1Stop
MCP2Stop
BHGRecGDNo
MCPBusType = b#16#44
BHGRecGBZNo (n.r.)
BHGRecObjNo (n.r.)
MCPSDB210= FALSE
BHGSendGDNo (n.r.)
MCPCopyDB77 = FALSE
BHGSendGBZNo (n.r.)
BHGSendObjNo (n.r.)
BHGMPI = FALSE
BHGStop
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