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Telegram part
ADR
User data
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
Figure 6-19
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.
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
Description
● 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.
Specify user data of telegram (Page 263).
Checksum (exclusive or) across all telegram bytes – with the exception of BCC.
USS telegram - user data structure
Advanced commissioning
6.3 Drive control
263
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