What Happens If …?
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DP LED (status of PROFIBUS DP field bus)
Table 18:
Diagnostics with DP-LED
Event
Explanation
Remedy
LED green
continuous
light
The project configuration of the controller agrees
with the target configuration of the SmartWire-DT
gateway. Cyclical data exchange takes place via
the PROFIBUS DP.
–
LED off
No communication with PROFIBUS-DP master.
Check PROFIBUS-DP master
connection.
LED green
flashing (1 Hz)
The PROFIBUS DP master has been recognized. No
cyclical data exchange takes place yet via the field
bus.
The project configuration of the controller does
not agree with the target configuration of the
SmartWire-DT gateway, but the deviation allows
data exchange with the relevant SmartWire-DT
slaves.
Check your target configura-
tion and, if necessary,
update the project configu-
ration.
LED orange
continuous
light
At least one SmartWire-DT slave requests a diag-
nosis test, because, e.g. SmartWire-DT slaves are
invalid or essential slaves are missing or an Smart-
Wire-DT slave is missing that has been configured
in the control configuration as mandatory.
Check your target configura-
tion and, if necessary,
update the project configu-
ration.
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