Initializing The Bus Coupler; Test And Diagnosis; Reading The Diagnostic Leds - Aventics DDL Mode D'emploi

AVENTICS | DDL | R412009417–BDL–001–AD
7.2

Initializing the bus coupler

Switch on the operating voltage.
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The DDL system initializes itself as soon as the bus coupler
and the connected VS are provided with voltage from the
superior bus coupler.
The red DDL LED is illuminated during the configuration.
The red LED goes out after a successful initialization. The
bus coupler is now ready for operation.
7.3

Test and diagnosis

Two types of diagnosis are available if the bus coupler has been
connected correctly:

Reading the diagnostic LEDs

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Software diagnosis (monitoring of the connected VS by the
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controller software)
7.3.1 Reading the diagnostic LEDs
The LEDs on the front panel of the bus coupler show the
messages from Tab. 17.
Before commissioning and during operation, regularly
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check bus coupler functions by reading the diagnostic
displays.
Table 17: Meaning of the diagnostic LEDs on the bus coupler
LED Signal
SENSOR Illuminated
green
Flashes green
Off
Ubyte 1– Illuminated
Ubyte 4 green
Flashes green
DDL Illuminated
red
Commissioning and Operation
Description
Voltage within tolerance
Voltage outside of tolerance
No sensor voltage
Voltage within tolerance
Voltage outside of tolerance
No DDL communication
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