Supported Couplings; Telegram Structure; Mode Of Operation Of The Pkw Blocks - Siemens SIMADYN D Manual

Configuring
3.22.1.2

Supported couplings

General
3.22.1.3

Telegram structure

General
3.22.1.4

Mode of operation of the PKW blocks

Information flow
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003
In order to process parameters for a drive converter (read, change
parameter values and acknowledge parameter change reports), precisely
one PKW central block and at least one parameter block should be
configured. A parameter block is always precisely assigned one central
block. For example, if parameter handling is to be configured for 5 drive
converters, then 5 central blocks must be configured, and as many
parameter blocks are required for each central block. The number of
parameter blocks for each central block can be different and is defined by
the application.
There are no regulations regarding the block sampling time. All PKW
blocks can also be configured in different sampling times.
The following couplings are supported:
• USS Master with CS7/SS4
• PROFIBUS DP with CS7/SS52
Using these couplings, for example, the following drive converters can be
parameterized:
• SIMOVERT drive converter 6 SE 12
• SIMOREG drive converter 6 RA 24
• SIMOVERT Master Drive 6 SE 70
The following parameter handling does not take into account the various
scaling factors and notation types of parameter values in the various
SIMOREG and SIMOVERT drive converters.
Communications to the drive converters is realized using telegram
(PPOs). A telegram can be sub-divided into the PKW (parameter ID
value) and PCD (process data). The PKW component uses the first 3
words (6 octets) or 4 words (8 octets). After this component, the process
data can be specified; this will no longer be discussed in this document.
The length of the PKW component is defined both on the drive converter
side as well as on the SIMADYN D side. When using the 3-word
interface, only single-word tasks are possible; for the 4-word interface,
also double-word tasks.
The information flow between the individual function blocks is configured
as follows:
• A task (by appropriately configuring the input connections) is
formulated at a parameter block.
Communications configuring
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