DP-V0 communication
44
SAP 0 (Data_Exchange)
Allows the master to send output data to a slave station and to
simultaneously request input data from the same station.
2 Station_Status_3
3 Diag.Master_Add
The address of the master that parameterised this slave
4 - 5 Ident_Number (for RPBA-01: 0812h)
6 Ext_Diag_Data
The number of bytes reserved for Extended Diagnosis
(including this byte)
Fixed to 2
7 Ext_Diag_Data
Bit 0 = Communication temporarily lost
Bit 1 = Communication permanently lost
Bit 2 - 7 = Not used
Outp_Data (Output Data)
Type: Octet String - Length: 4 to 28 (depending on the selected PPO Type)
Inp_Data (Input Data)
Type: Octet String - Length: 4 to 28 (depending on the selected PPO Type)
Diag_Data (Diagnostic Data)
Type: Octet String - Length: 6 (Standard) + 2 (Extended Diagnosis)
Byte Description
Diag.Ext_Diag_Overflow (Set by Slave)
Reserved
x0000000
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