Manual – MOVIDRIVE® MDX60B/61B Communication and Fieldbus Unit Profile
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8
Serial communication (RS485) via interface adapters
Operating MOVITOOLS® MotionStudio
8.4.4
Serial communication parameter (RS485)
The following table describes the [Basic setting] for the serial (RS485) communication
channel:
The following table describes the [Advanced setting] for the serial (RS485) 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 Communication
Server uses the first available
port.
•
A USB interface adapter is indi-
cated by the addition "(USB)".
Baud rate
Transmission speed with which the
connected PC communicates with
the unit in the network via the com-
munication channel
•
Possible values:
–
9.6 kBit/s
–
57.6 kBit/s
–
AUTO (default setting)
•
Find the correct value for the
connected unit in the documen-
tation.
•
If you set "AUTO", the units are
scanned with both baud rates in
succession.
•
Set the starting value for auto-
matic baud rate detection under
[Settings] / [Options] / [Commu-
nication].
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
complete
parameter set
of a unit.
Timeout
Waiting time in [ms] that the master
waits for a response from a slave
after it has sent a request.
•
Default setting:
–
100 ms (parameter tele-
gram)
–
350 ms (multibyte telegram)
•
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
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