Detailed description
2.7 Structure and functions of the basic program
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-67
resulting in the following error message on the MMC:
• 400262: HHU failure
An HHU failure is only recognized if data exchange has taken place previously with the HHU.
The first exchange of data with the HHU activates the monitoring function.
MPI connection
Communication starts from the PLC BP via the NCK and COM mode, i.e., even a link via the
MPI does not require an SDB210. Parameter settings are made via the relevant parameters
in FB1.
03,
0&3
++8
1&.
3/&&38
0&3
Fig. 2-17 MPI connection
Relevant parameters (FB1)
MCP HHU
MCPNum=1 or 2 (number of MCPs) BHG=2
(transfer via COM module)
MCP1In MCP2In BHGIn
MCP1Out MCP2Out BHGOut
MCP1StatSend MCP2StatSend BHGStatSend
MCP1StatRec MCP2StatRec BHGStatRec
MCP1BusAdr MCP2BusAdr BHGInLen
MCP1Timeout MCP2Timeout BHGOutLen
MCP1Cycl MCP2Cycl BHGTimeout
MCPMPI = TRUE (MPI) BHGCycl
MCP1Stop MCP2Stop BHGRecGDNo
BHGRecGBZNo
BHGRecObjNo
BHGSendGDNo
BHGSendGBZNo
BHGSendObjNo
BHGMPI = TRUE (MPI)
BHGStop
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