Siemens SINAMICS Configuration Manual page 185

4 hex: Response not ready (the response has still not been issued)
5 hex: Internal Error (general system error)
Incorrect access operations to parameters via data set 47 are logged in registers
40603 ... 40722. The error codes are described in the PROFIdrive profile.
Examples: Read parameter
Table A-23 Write parameter request: Reading parameter value of r0002 from device number 17
Value Byte Description
MBAP header
10 h 7 Function code (write multiple)
0258 h 8,9 Register start address
0007 h 10,11 Number of registers to be read (40601 ... 40607)
0E h 12 Number of data bytes (7 registers, each 2 bytes = 14 bytes)
0001 h 13,14 40601: DS47 Control = 1 (activate request)
2F0A h 15,16 40602: Function 2F h (47), request length 10 bytes (0A h)
8001 h 17,18 40603: Request reference = 80 h, request identifier = 1 h
0101 h 19,20 40604: DO-Id = 1, number of parameters = 1
1001 h 21,22 40605: Attribute, number of elements = 1
0002 h 23,24 40606: Parameter number = 2
0000 h 25,26 40607: Subindex = 0
Table A-24 Start parameter request: Reading parameter value of r0002 from device number 17
Value Byte Description
MBAP header
03 h 7 Function code (read)
0258 h 8,9 Register start address
0007 h 10,11 Number of registers to be read (40601 ... 40607)
0010 h 12,13 Number of registers
Table A-25 Response for successful read operation
Value Byte Description
MBAP header
03 h 7 Function code (read)
20 h 8 Number of following data bytes (20 h: 32 bytes
0002 h 9,10 40601: DS47 Control = 2 (the request was executed)
2F08 h 11,12 40602: Function code 2F h (47), response lengths 8 bytes
8001 h 13,14 40603: Request reference mirrored = 80 h,
response identifier = 1 (request parameter)
0101 h 15,16 40604: DO-ID = 1, number of parameters = 1
0301 h 17,18 40605: Format, number of elements = 1
001F h 19,20 40606: Parameter value = 1F h (31)
Industrial Security
Configuration Manual, 08/2017, A5E36912609A
Communication
A.1 Communication
16 registers)
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