10
Operating MOVITOOLS
®
MotionStudio Via Ethernet
Serial communication (RS485) via interface adapters
Manual – Fieldbus Interface DFE33B EtherNet/IP and Modbus/TCP
117
10.4.4 Serial communication parameter (RS485)
The following table describes the [Basic setting] for the serial (RS485) communication
channel:
The following table describes the [Extended setting] for the serial (RS485) communica-
tion channel:
Communication parameter Description Tip
COM port Serial port connected to the
interface 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
documentation.
• 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 parameter Description Tip
Parameter telegrams Telegram with a single parameter Used to transfer a single param-
eter of a unit.
Multibyte telegrams Telegram with several parameters Used to transfer the complete
parameter set of a unit.
Timeout Waiting time in [ms] that the
master waits for a reply from a
slave after it has sent a request
• Default setting:
• 100 ms (parameter
telegram)
• 350 ms (multibyte
telegram)
• Increase the value if all
units are not found during
a network scan.
Retries Number of request retries after
the timeout is exceeded
Default setting: 3
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