154 Communication protocol
The table below lists the DP-V1 function numbers.
The table below lists the DP-V1 error responses.
Value Meaning
0x48 Idle REQ, RES
0x51 Data transport REQ, RES
0x56 Resource manager REQ
0x57 Initiate REQ, RES
0x58 Abort REQ
0x5C Alarm REQ, RES
0x5E Read REQ, RES
0x5F Write REQ, RES
0xD1 Data transport negative response
0xD7 Initiate negative response
0xDC Alarm negative response
0xDE Read negative response
0xDF Write negative response
Byte Meaning and value
DU0 Function number = 0xDF (Error Write) = 0xDE (Error
Read)
DU1 Error_Decode: PROFIdrive: Always 0x80 (DP-V1 codes)
DU2 Error_Code_1: Error class/error code (see page
155)
DU3 Error_Code_2: Always 0
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