SEW-Eurodrive DFE32B PROFINET IO, Руководство пользователя

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Manual – DFE32B Fieldbus Interface PROFINET IO
9
Serial (RS-485) communication via interface adapter
MOVITOOLS® MotionStudio – Operation
9.7.4 Communication parameters, serial (RS-485)
The following table describes the [basic setting] for the serial (RS-485) communication
channel:
The following table describes the [extended setting] for the serial (RS-485) communica-
tion channel:
Communication parameters Description Note
COM port Serial port connected to the inter-
face adapter • If there is no value entered
here, the SEW Communica-
tion Server uses the first
available port.
• A USB interface adapter is
indicated by the addition of
"(USB)".
Baud rate Transmission speed with which
the connected PC communicates
with the unit in the network via the
communication channel. • Possible values:
•
9.6 kBit/s
• 57.6 kBit/s
• AUTO (default setting)
• Find the correct value for the
connected unit in the docu-
mentation.
• If you set "AUTO", the units
are scanned with both baud
rates in succession.
• Set the starting value for
automatic baud rate detection
under [Settings] / [Options] /
[Communication].
Communication parameters Description Note
Parameter telegrams Telegram with a single parameter Used for transmitting a single
parameter of a unit.
Multibyte telegrams Telegram with several parameters Used for transmitting the com-
plete parameter set of a unit.
Timeout Waiting time in [ms] that the mas-
ter waits for a response from the
slave after it has sent a request. • Default setting:
•
100 ms (parameter tele-
gram)
• 350 ms (multibyte tele-
gram)
• Increase the value if not all
units are detected during a
network scan.
Retries Number of request retries after
the timeout is exceeded Default setting: 3