4 Parameter channel (PKW)
The digital servo amplifiers of the servo amplifier series have to be adapted to the circumstances of
your machine. The parameters for the controllers are set using either the setup software or via the
PROFIBUS.
4.1 Read/write an amplifier parameter
Read (AK = 1) or write (AK = 3) amplifier parameters
To read or write an amplifier parameter through PROFIBUS, the corresponding PNU must be used.
The parameters that are written to the servo amplifier can be transferred to the non-volatile memory
by using the command “non-volatile parameter save” (PNU 971).
Telegram layout:
Request Response
PKE/AK 1 (read) / 3 (write) 2 (OK) / 7 (error)
PKE/PNU see 4.2.1 as transmitted
PWE
for AK = 3 see p.22ff for data type
for AK = 1 data type irrelevant
for AK = 3 returns the PWE of the request
for AK = 1 see p.22f for data type
4.2 Summary of the parameter numbers
All the parameter numbers (PNUs) for the servo amplifier are listed in numerical order in the table
on page 22ff, with a short description. The parameter numbers in the range 900 – 999 are pro-
file-specific for the PROFIBUS drive profile PROFIDRIVE. Parameter numbers > 999 are manufac-
turer- specific.
For better understanding, you can look up the ASCII commands which are in the column “ASCII
command” in the online help the setup software. A description of all ASCII commands can be found
in the ASCII reference lists (referring to the servo amplifier type) located on the product CDROM
and on our website.
Parameter numbers >1600 use the object channel (see p.33ff).
In the S400/S600 some amplifier parameters (e.g. GV) have 2 PNU numbers. Both of them can be
used to read and write the parameter (e.g. PNU 1200 and PNU 1672).
PROFIBUS for S300/S400/S600/S700 21
Kollmorgen 04/2017 Parameter channel (PKW)
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