Data Highway + (DH+) / Remote I/O (RIO)
34 DDLS 200 Leuze electronic
8.3 LED indicators DH+ / RIO
In addition to the indicators and operational controls present in all device models (bar graph, buttons,
LEDs AUT, MAN, ADJ; see chapter 11.1 "Indicators and operational controls"), the DH+/RIO model
also has the following indicators:
Figure 8.3: Indicators and operational controls of the DH+/RIO model
NOTE
The delay time of a light path is: S3-1 On (1) = approx. 1.5 µs + 1.5TBit
S3-1 Off (0) = approx. 1.5 µs
NOTE
You can also use the diagnostic options available via the bus system.
LED PWR: green = operation indicator
green flashing= transmitter / receiver unit switched off
via switching input IN or hardware error
off = no operating voltage
LED Tx: green = data is being transmitted to the bus
green flashing= with baud rates set to very low values,
the LEDs Tx and Rx flicker. At very
high baud rates (> 50kBit/s), flashing
LEDs Tx and Rx indicate faulty bus
communication.
off = no data on the transmission line
LED Rx: green = data is being received by the bus
green flashing= with baud rates set to very low values,
the LEDs Tx and Rx flicker. At very
high baud rates (> 50kBit/s), flashing
LEDs Tx and Rx indicate faulty bus
communication.
off = no data on the receiving line
DDLS200_E.book Seite 34 Mittwoch, 19. Februar 2020 12:22 12
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