User guide

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1
5.4.
Parameter channel
The Parameter channel can be used to access the Drive’s parameters and the PROFIDRIVE’s para-
meters.
Controller/Supervisor
(Client)
Communication system DU/DO P
arameter manager
(Server)
Time
line
Parameter
Request
Write Parameter Request
to P
AP
Parameter
Request
Error because
response not yet
available
Error because
response not yet
available
Paramet
er
response
Read Parameter response
from PAP
Read Parameter response
from PAP
Read Parameter response
from PAP
Parameter
response
Parameter processing
in the
Parameter Manager
Figure 4. Data flow for Base Mode Parameter Access
Parameters are read/written with function blocks in Siemens PLC. Function block SFB 52 “RDREC”
is for reading and SFB53 “WRREC” for writing. See more detailed information in document
Commu-
nication Function Blocks for PROFIBUS and PROFINET
on www.profibus.com .
Parameter Access Service
Index
Base Mode Parameter – Global 0xB02F
Global Parameters
Global parameters are related to the complete device.
Supported parameter accesses:
- Request parameter value, single
- Change parameter value, single
- Request parameter value, multi-parameter
- Change parameter value, multi-parameter
- Request parameter value, several array elements
- Change parameter value, several array elements
- Change parameter value, several array elements, Format Byte