Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
Operating Instructions, 12/2018, A5E34763375A
441
Overview of important parameters (see SINAMICS DCM List Manual)
p0922
IF1 PROFIdrive PZD telegram selection
p0978[0...24]
p8815[0...1]
IF1/IF2 PZD functionality selection
p8839[0...1]
PZD Interface hardware assignment
Acyclic communication
10.3.4.1
General information about acyclic communication
With acyclic communication, as opposed to cyclic communication, data transfer takes place
only when an explicit request is made (e.g. in order to read and write parameters).
The "Read data record" and "Write data record" services are available for acyclic
communication.
The following options are available for reading and writing parameters:
● S7 protocol
This protocol uses the STARTER commissioning tool, for example, in online mode via
PROFIBUS.
● PROFIdrive parameter channel with the following data sets:
– PROFIBUS: Data block 47 (0x002F)
The DPV1 services are available for master class 1 and class 2.
– PROFINET: Data block 47 and 0xB02F al global access, data set 0xB02E as local
access
Note
Please refer to the following documentation for a detailed description of acyclic
communication:
Reference: PROFIdrive Profile V4.2, October 2015, Order No: 3.172
PROFIBUS DP:
The addressing is carried out via the logical address or the diagnostics address.
PROFINET IO:
The addressing is only undertaken using a diagnostics address which is assigned to a
module as of slot 1. Parameters cannot be accessed via slot 0.
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