Communication
94
Example 2: Writing a drive parameter (or data set)
To determine the parameter number and subindex for drive
parameter writing, convert the drive parameter group number and
the parameter index number to hexadecimal. The index number is
the subindex (IND), and the group number is the parameter
number (PNU). For example, to write parameter 12.02 to the drive:
12.02 = 0Ch.02h => Parameter number = 0Ch, Subindex = 02h.
The following is an example of writing a 16-bit parameter.
This is an example of writing a 32-bit parameter:
Req
DP
header
70 0C 02 00 00 00 00 64 04 7F 34 15 00 00 00 00 00 00 00 00
DP
trailer
Resp 40 0C 02 00 00 00 00 64 03 37 34 15 00 00 00 00 00 00 00 00
Req
DP
header
80 0C 02 00 00 00 00 64 04 7F 34 15 00 00 00 00 00 00 00 00
DP
trailer
Resp 50 0C 02 00 00 00 00 64 03 37 34 15 00 00 00 00 00 00 00 00
Parameter Value (100 decimal)
CW REF
Parameter Number
Request (Change parameter value [array])
Subindex*
PZD3 PZD4 PZD5 PZD6
SW ACT PZD3 PZD4 PZD5 PZD6
Parameter Value (100 decimal)
Parameter Number
Response (Transfer parameter value [array])
Subindex*
*2nd byte reserved
Parameter Value (100 decimal)
CW REF
Parameter Number
Request (Change parameter value [array double word])
Subindex*
PZD3 PZD4 PZD5 PZD6
SW ACT PZD3 PZD4 PZD5 PZD6
Parameter Value (100 decimal)
Parameter Number
Response (Transfer parameter value [array double word])
Subindex*
*2nd byte reserved