Detailed description
2.7 Structure and functions of the basic program
Basic logic functions: PLC basic program solution line (P3 sl)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0
73
Relevant parameters (FB 1)
MCP-device identification Input parameters e.g. OP08T
Input Output Values in direct control keys
IdentMcpBusAdr IdentMcpType IdentMcpBusAdr = TCU-Index
IdentMcpBusProfilNo IdentMcpLengthIn IdentMcpBusProfilNo = Value 1
IdentMcpBusType IdentMcpLengthOut IdentMcpBusType = Default value
IdentMcpStrobe
IdentMcpBusProfilNo Value
MCP, BHG, HT8, HT2 B#16#0
Direct control keys, such as OP08T, OP12T B#16#1
IdentMcpType (Mcp-Type)
no device connected 0
MCP 483C IE (Compact) B#16#80
MCP 483C IE B#16#81
MCP 310 B#16#82
MCP OEM B#16#83
MCP DMG B#16#84
HT8 B#16#85
TCU_DT (Direct control keys) B#16#86
MCP_MPP B#16#87
HT2 B#16#88
OP08T (direct control keys) B#16#89
840D: Profibus connection
With an MCP Profibus connection, these components must be considered in the STEP 7
hardware configuration. The MCP may only be interfaced with the standard DP bus on the
PLC (not on MPI/DP). 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 parameterization.
There is no Profibus variant of the HHU. For this reason, an Ethernet connection is shown
for the HHU in this figure. The Profibus slave address must be stored in the parameter
"MCP1BusAdr" and "MCP2BusAdr". Enter the pointer to the configured diagnostic address
(e.g., P#A8190.0) in "MCPxStatRec".
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