Communication
104
Table 11. PROFIdrive Request header
10 (0x0A) Application 0 = Read error
1 = Write error
2 = Module failure
3…7 = Reserved
8 = Version conflict
9 = Feature not supported
10 … 15 = User-specific
11 (0x0B) Access 0 = Invalid index
1 = Write length error
2 = Invalid slot
3 = Type conflict
4 = Invalid area
5 = State conflict
6 = Access denied
7 = Invalid range
8 = Invalid parameter
9 = Invalid type
10 … 15 = User-specific
12 (0x0C) Resource 0 = Read constraint conflict
1 = Write constraint conflict
2 = Resource busy
3 = Resource unavailable
4…7 = Reserved
8 … 15 = User-specific
13 … 15 User-specific
Field(s) Description Range
Byte/
Word
Request
Reference
Unique identification set by the master.
Changed for each new request.
1 … 255 Byte
Request ID Request type for the issued block. Request
Parameter (01h)
Change
Parameter (02h)
Byte