Data Structure Of The Parameter Channel - Siemens SINAMICS CU240S DP-F Operating Instructions Manual

Communication
6.1 PROFIdrive Profile V4.1
Parameter channel
PKE IND PWE
1st 2nd 3rd 4th
word word word word
PZD: Process data
PKE: Parameter identifier
IND: Index
PWE: Parameter value
6.1.2

Data Structure of the Parameter Channel

Description
The PROFIdrive profile V4.1 defines for the inverters, the use data structure with which a
master can access the inverters (slaves). The parameter channel telegram section can be
used to monitor and/or change any parameter in the inverter.
Parameter channel
Using the parameter channel process data can be processed and monitored (write/read) as
described below. The parameter channel includes always 4 words.
Figure 6-1
Parameter identifier (PKE), 1
The parameter identifier (PKE) is always a 16-bit value.
Figure 6-2
122
Process data area (PZD)
PZD01 PZD02 PZD
STW1 HSW 03
ZSW1 HIW
1st 2nd 3rd
word word word
Structure of the parameter channel in the telegram structure
word
st
PKE structure
PZD04 PZD05 PZD06
4th 5th 6th
word word word
STW:
ZSW:
HSW:
HIW:
Operating Instructions, 07/2008 - FW 3.2, A5E00766042B AD
PZD07 PZD08 PZD09
7th 8th 9th
word word word
Control word 1
Status word 1
Main setpoint
Main actual value
Control Units CU240S
PZD1
0
10th
word