Operating instructions

Communication
6.1 PROFIdrive Profile V4.1
Control Units CU240S
124 Operating Instructions, 10/2007, A5E00766042B AC
Parameter channel
Process data area (PZD)
PKE IND PWE PZD01
STW1
ZSW1
PZD02
HSW
HIW
PZD
03
PZD04 PZD05 PZD06 PZD07 PZD08 PZD09 PZD1
0
1st
word
2nd
word
3rd
word
4th
word
1st
word
2nd
word
3rd
word
4th
word
5th
word
6th
word
7th
word
8th
word
9th
word
10th
word
PZD: Process data
PKE: Parameter identifier
IND: Index
PWE: Parameter value
STW: Control word 1
ZSW: Status word 1
HSW: Main setpoint
HIW: Main actual 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.
3.(
,1'
3:(

VW
ZRUG

QG
ZRUG

UG
DQG
WK
ZRUG
$EEUHYLDWLRQV
3DUDPHWHUFKDQQHO
3.(3DUDPHWHULGHQWLILHU
,1',QGH[
3:(3DUDPHWHUYDOXH
Figure 6-1 Structure of the parameter channel in the telegram structure