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6.2.4.2
Setting the address
Function description
Procedure
1. Using parameter p2021, set the address using an operator panel or SINAMICS G120 Smart
Access.
Permissible addresses: 1 … 247.
2. Switch off the converter power supply.
3. Wait until all LEDs on the converter are dark.
4. Switch on the converter power supply again.
Your settings become active after switching on.
You have set the bus address.
❒
Parameters
Parameter
Description
Factory setting
p2021
Fieldbus interface address
0
6.2.4.3
Telegram structure
Overview
A USS telegram comprises a series of elements with a defined sequence. Each element
contains 11 bits.
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Figure 6-8
Structure of a USS telegram
Telegram part
Description
Start delay / re‐
sponse delay
There is always a start and/or response delay between two telegrams.
Telegram monitoring (Page 173)
STX
An ASCII character (02 hex) indicates the beginning of the message.
LGE
The telegram length "LGE" is calculated as follows:
LGE = user data (n bytes) + ADR (1 byte) + BCC (1 byte)
Advanced commissioning
6.2 Drive control
SINAMICS G120XA converter
168
Operating Instructions, 03/2019, FW V1.0, A5E44751205B AB
Summary of Contents for SINAMICS G120XA
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