Software Diagnosis - Aventics DDL Instrucciones De Servicio

Table 8: Overview of the SERCOS III LED displays
Label left Label right
5 V DDL
S3
Green
Green
Red
Red
Orange
Orange
Off
LINK0 Green
LINK1 Green
AVENTICS | SERCOS III | R412012613–BDL–001–AC
Green Illuminated
Off Flashes (4 Hz) Test loop: switches from fast-forward to test loop
Green Flashes (4 Hz) Communication error: dependent on S-0-1003
Red Illuminated
Orange Illuminated
Off Flashes (4 Hz) Identification (bit 15 in the device control) for address
Off Off
The power supply for valves is not monitored at the bus
coupler.
7.1.2

Software diagnosis

The bus coupler provides diagnostic data:
Detailed information on the diagnosis structure of the individual
DDL participants can be found in the descriptions of the
respective DDL participants (see also "Software diagnosis" on
page 68).
Meaning
5 V: illuminates if supply voltage is > 18
DDL:
W
Illuminates for configuration errors
(address, baud rate, terminating resistor)
W
Illuminates during initialization and flashes after
successful initialization
W
OFF during DDL communication
S3: SERCOS III LED indicates the SERCOS III
communication status.
Communication phase (CP4 operation phase):
no existing errors on CP4
(flashes red/green)
S3 C1D (class 1 diagnosis)
Communication phase (start-up phase): CP0 to CP3
allocation, configuration errors or identification
purposes
Off: no SERCOS III communication
LINK0/ACT0: flashes when sending and receiving data
LINK0/ACT1: flashes when sending and receiving data
59
During operation