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Table 4-15
Modbus RTU
1200 m
Further information
The precondition for error-free communications is that the first and last station are supplied with
power.
Communication is maintained if you withdraw individual slaves from the fieldbus without
interrupting the cable.
4.2.13
Connecting to PROFIBUS
The PROFIBUS DP interface has the following functions:
● Cyclic communication
● Acyclic communication
● Diagnostic alarms
General information on PROFIBUS DP can be found in the Internet:
●
●
support/printkatalog.htm)
SINAMICS G120X converter
Operating Instructions, 06/2019, FW V1.01, A5E44751209B AC
Overview of the interfaces (Page 99)
Maximum cable length
PROFIBUS user organization (http://www.profibus.com/downloads/installation-guide/)
Information about PROFIBUS DP
USS
1200 m for a baud rate up to
38400 bit/s and maximum of 32
nodes
1000 m for a baud rate of 187500
bit/s and a maximum of 30 nodes
(http://www.automation.siemens.com/net/html_76/
4.2 Control interfaces
BACnet MS/TP
1200 m
Wiring
147
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