S7-Compatible Mode - BONFIGLIOLI Vectron ACTIVE CUBE Manual

Profibus master
To obtain access to parameters of inverters via the Systembus, parameter 1600 is
written to the desired Systembus node ID.
The data type of parameter 1600 is unsigned integer with a valid data range =
0 ... 63.
Parameter 1600 can be read and written.
13.2.2
A parameter is accessed by its parameter number and data set number. The valid
range for parameter number is 0 ... 1599, the range of data set number is 0 ... 9.
Note: For the handling of data set selection see chapter 13.1.4 "Parameters, data
The S7-compatible Mode only allows the setting of the object
steps necessary for reading/writing one parameter. The number of bytes to be trans-
ferred (read/write) depends on the parameter's data type. In the case of a write cycle
and an invalid number of bytes the CM-PDPV1 protocol reacts with an error message.
Step 1:
In the first step the desired parameter number, data set number and Systembus node
ID are written. This message is sent with
bytes with the following structure:
data structure for index = 1:
Byte
content
Parameter number
Data set
System bus address
Step 2:
The desired parameter data can now be read or written by sending a read or write
request with
The parameter data structure is explained above.
08/08
08/08
(PLC)
0
Profibus
CM-PDPV1
Systembus Systembus
master slave
Systembus Systembus
Node-ID = 0 Node-ID = 1
Systembus

S7-compatible Mode

set selection and cyclic writing".
0
parameter number
high byte
= 0 .... 63
index
set to 2.
CM-PDPV1
CM-PDPV1
Parameter =
1600
1
Systembus
slave
Systembus
Node-ID = x
index
set to 1. The object to be sent has 4
1
low byte
= 0 .... 1599
= 0 .... 9
x
index
. There are two
2 3
data set System bus
number address
29
29