Evaluating The Fieldbus Status; Table 53: Fieldbus Diagnostics - Solution In Case Of Error - WAGO 750-370 Manual

WAGO-I/O-System 750
750-370 PROFINET IO Fieldbus Coupler
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10.1.1

Evaluating the Fieldbus Status

Communication status via fieldbus is indicated by the upper LED group ("LINK
ACT 1, 2", "BF" and "DIA").
Table 53: Fieldbus Diagnostics – Solution in Case of Error
LINK BF
ACT 1,
2
OFF OFF
OFF ON
ON ON
ON Flashes *
ON OFF
* *
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Manual
Version 2.0.0
DIA Bedeutung
OFF The fieldbus coupler is not
provided with its required operating
voltage or a hardware fault is
present.
* The operating voltage for the
fieldbus coupler is applied.
The physical connection to the
PROFINET IO network is not
established.
* A physical network connection is
not established between the
fieldbus coupler and IO controller
via the corresponding port.
The physical network connection is
established between the fieldbus
coupler and IO controller.
No data is exchanged.
* The fieldbus coupler is exchanging
production data with the
IO controller.
Configuration and parameterization
has been taken over by the fieldbus
coupler.
ON The fieldbus coupler reports at least
one pending diagnostic process.
Diagnostics
Abhilfe
1. Check the power supply to the
fieldbus coupler.
2. Replace the fieldbus coupler
where required.
1. Check the network cable.
1. Establish a connection between
the fieldbus coupler and
IO controller via the network.
1. Check if the right device name
has been assigned for the
IO device.
2. Check the connection between
the IO controller and
IO device.
1. The data exchange works
trouble free. Diagnostic
information, e.g., cable break
on an analog input module, is
active.
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