WAGO-I/O-SYSTEM 750
Device Description
49
750-375 PROFINET IO advanced Fieldbus Coupler
Manual
Version 1.1.0
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4.4
Display Elements
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The operating condition of the fieldbus coupler or the node is displayed with the
help of illuminated indicators in the form of light-emitting diodes (LEDs).
The LED information is routed to the top of the case by light guides. In some
cases, the LEDs are multi-colored (red, green or orange).
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Figure 24: Display Elements
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For the diagnostics of the different domains fieldbus, node and supply voltage, the
LEDs can be divided into three groups:
Table 15: Display Elements Fieldbus Status
LED
Color
Meaning
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RUN
green
provides information on the operational readiness of the fieldbus
coupler and the PROFIenergy status of the station.
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BF
red/green
provides information on the current status of the PROFINET IO data
exchange (red) and it is used for device identification (green).
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DIA
red
indicates the upcoming diagnoses as well as differences between the
expected and real configuration.
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Table 16: Display Elements Node Status
LED
Color
Meaning
I/O
red/green/
orange
indicates a state of start-up (orange) as well as the operation of the
node (green) and signals via a blink code (red) faults encountered.
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Table 17: Display Elements Supply Voltage
LED
Color
Meaning
A
green
indicates the status of the operating voltage – system
B
green
indicates the status of the operating voltage – power jumper contacts
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