Operator control and monitoring
9.2 Working with the user interface
SIMATIC MV420 / SIMATIC MV440
Operating Instructions, 04/2013, A5E02371045-06
175
LEDs
In the "LEDs" dialog box, you specify the output signal with which the freely programmable
LED displays are to be connected.
● SIMATIC MV440: Two freely programmable LEDs
● SIMATIC MV420: One freely programmable LED display
DI/DO
You set the switching time of the digital outputs READ, MATCH, N_OK and
EXT_1 to EXT_4.
Beep tone (acoustic signal)
You configure the acoustic sensor. The beep tone only exists with the SIMATIC MV420.
Table 9- 5 Configuring the acoustic sensor
Task Possible
values
Default Meaning
Adjustment Off, READ READ Configures the acoustic signal (beep tone) for
adjustment mode.
• OFF: No signal
• READ: Short acoustic signal when code
could be read. (The higher the tone, the
better the read reliability of the code.)
Processing mode Off, READ,
MATCH, N_OK
Off Configures the acoustic signal (beep tone) for
evaluation mode (RUN).
• OFF: No signal
• READ: Short acoustic signal when code
could be read. (The higher the tone, the
better the read reliability of the code.)
• MATCH: Acoustic signal when the code
comparison was successful.
• N_OK: Acoustic signal when reading was
not possible.
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