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Communications Overview
All SIMATIC MV340s are shipped with a USB cable. You can also add RS-232 capabili-
ties and configure your imager accordingly. Whenever you default the imager, it will return
to the default settings of whichever interface you are using. Defaulting the imager does not
remove preamble and postamble formatting.
Note: You must use
Once the imager is connected to ESP, you can select your communications mode and set
other communication parameters.
USB
With USB communications, the imager connects directly to the host's USB port from which it
draws its power. Data is displayed by any open Windows-based program that can capture
text in USB Keyboard Mode.
RS-232
With RS-232 communications the imager communicates with the host through a communications
program such as HyperTerminal.
Default settings for establishing RS-232 communications are:
Baud =
Stop Bits =
Data Bits =
Parity =
SIMATIC MV340 User's Manual
USB Connect Mode
57.6K
2
8
None
or
RS-232 Connect Mode
Communications
to connect to ESP.
4-3
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