Telegram part
Description
ADR
6SHFLDO
WHOHJUDP
0LUURU
WHOHJUDP
%URDGFDVW
ELW
$GGUHVV
● Bit 7 = 0: Normal data exchange.
Bit 7 =1, to transfer telegrams that require a net data structure different from
the device profile.
● Bit 6 = 0: Normal data exchange.
Bit 6 = 1: Testing the bus connection: The converter returns the telegram
unchanged to the master.
● Bit 5 = 0: Normal data exchange.
(Bit 5 = 1: Not supported in the converter.)
● Bits 0 ... 4: Address of the converter.
User data
Specify user data of telegram (Page 263).
BCC
Checksum (exclusive or) across all telegram bytes – with the exception of BCC.
6.3.6.4
Specify user data of telegram
Overview
The user data of the telegram consist of the following elements:
● Parameter channel (PIV) for writing and reading parameter values
● Process data (PZD) for controlling the drive
3,93='VWUXFWXUH
'DWDE\WH
/RJGDWD 3DUDPHWHUFKDQQHO3,9
/RJZRUGV
YDULDEOHOHQJWK
3URFHVVGDWD3='
3.(
,1' 3:( 3:(
3:(P
3.: 3.: 3.: 3.:
3.:P 3=' 3='
3='
+6:
+,:
3=' 3='
S
S
S
S
S
S
3
3
3
3
3
3
3
3
3 3
67:
=6:
67:
=6:
Figure 6-19
USS telegram - user data structure
Function description
Parameter channel
You specify the length of the parameter channel in parameter p2023:
● p2023 = 0
With this setting, no parameter values are transferred.
● p2023 = 3
You can select this setting if you only want to read or write 16-bit data or alarm signals.
Advanced commissioning
6.3 Drive control
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
263