What Do You Need For Communication Via Profibus; Integrating Inverters Into Profibus - Siemens SINAMICS G110M Function Manual

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Communication via PROFIBUS and PROFINET
3.5 Communication via PROFIBUS
3.5.2

What do you need for communication via PROFIBUS?

Check the communication settings using the following table. If you answer "Yes" to the
questions, you have correctly set the communication settings and can control the inverter via
the fieldbus.
Questions
Is the inverter correctly connec-
ted to the PROFIBUS?
Have you configured the com-
munication between the inverter
and the higher-level control?
Do the addresses in the inverter
and the higher-level control
match?
Is the same telegram set in the
higher-level control and in the
inverter?
Are the signals that the inverter
and the control exchange via
PROFIBUS correctly inter-
connected?
3.5.3

Integrating inverters into PROFIBUS

Procedure
To connect the inverter to a control system via PROFIBUS DP, proceed as follows:
1. Integrate the inverter into the bus system (e.g. line-type topology) using PROFIBUS
cables.
– Inverters with IP20 degree of protection: via socket X126
– Inverters with degree of protection IP65 (CU240D/CU250D) via X03 and X04
The position of the socket is explained in the operating instructions for the inverter.
Pin assignment:
The maximum permitted cable length to the previous station and the subsequent one is
100 m at a baud rate of 12 Mbit/s. You can achieve a maximum cable length of 400 m by
using a maximum of 3 repeaters.
2. Externally supply the inverter with 24 V DC through terminals 31 and 32 or via X01.
The external 24 V supply is only required if communications with the control system
should also operate when the line voltage is switched off.
You have now connected the inverter to the control system using PROFIBUS DP.
72
Description
Integrating inverters into PROFIBUS (Pa-
ge 72)
Configuring the communication using
SIMATIC S7 control (Page 73)
Setting the address (Page 74)
Setting the telegram in the control
Interconnect signals PROFIdrive-conform in the
inverter.
PROFIdrive profile (Page 15)
Inverters with PROFIBUS interface (Page 70).
Function Manual, 01/2016, FW V4.7 SP6, A5E34229197B AC
Examples
---
Confi-
guring
PROFIBUS
communicati-
on (Pa-
ge 215)
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