Lenze E94AYCPM - Manual (Page 58)

9 Parameter data transfer
9.3 PROFIdrive parameter data channel (DP-V1)
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Lenze · E94AYCPM communication module (PROFIBUS®) · Communication Manual · DMS 12.0 EN · 11/2012 · TD17
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9.3.1 Connection establishment between master and slave
A class 1 master can always request parameters from a slave if the slave is in the "Data_Exchange"
state.
In addition to the class 1 master, a class 2 master can establish a communication connection to the
slave:
[9-2] Data communication via the DP-V1 parameter data channel
E94YCPM010
Slave
DPV1-
parameter data channel
Read
Write
Master
class 1
Master
class 2