06/0532
Writing of the parameter
Fixed frequency 1 480 (type: long) in data set 1 with the
parameter value 100.00 Hz.
Index = 480 + 0x2000 = 0x2174, value = 10000 = 0x00002710
Client Î Server
SDO Download (expedited)
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x22 0x74 0x21 0x01 0x10 0x27 0x00 0x00
Writing of the parameter
Fixed Frequency 1 480 (type: long) in data set 3 with the
parameter value -50.00 Hz.
Index = 480 + 0x2000 = 0x2174, value = -5000 = 0xFFFFEC78
Client Î Server
SDO Download (expedited)
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x22 0x74 0x21 0x03 0x78 0xEC 0xFF 0xFF
Examples of the reading of parameters:
Reading of the parameter
Rated speed 372 (type: uint) in data set 2 with the current
parameter value 1460.
Index = 372 + 0x2000 = 0x2174, value = 1460 = 0x05B4
Client Î Server
SDO Upload (expedited)
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x42 0x74 0x21 0x02 -- -- -- --
Server Î Client
Download Response
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x60 0x74 0x21 0x02 0xB4 0x05 -- --
Reading of the parameter
Warning Limit Tk 407 (type: int) in data set 0 with the
current parameter value –5.
Index = 407 + 0x2000 = 0x2197, value = -5 = 0xFFFB
Client Î Server
SDO Upload (expedited)
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x42 0x97 0x21 0x00 -- -- -- --
Server Î Client
Download Response
0 1 2 3 4 5 6 7
Control byte Index Subindex Data
0x60 0x97 0x21 0x00 0xFB 0xFF -- --