Lenze E84Dxxxx - Manual (Page 46)

EDS84DPBUS EN 2.0 - 09/2010
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Communication manual 8400 protec PROFIBUS
Parameter data transfer
DP-V1 parameter data channel (PROFIdrive profile)
8.3.1 Connection establishment between master and slave
A class 1 master can always be used to request parameters from a slave if the slave is in the
"DATA_EXCHANGE" status.
In addition to the class 1 master, a class 2 master can establish a communication
connection to the slave:
[8-2] Data communication via the DP-V1 parameter data channel
E94YCPM010
Slave
DPV1-
parameter data channel
Read
Write
Master
class 1
Master
class 2