
8
Operation
DHR21B/41B controller
Manual – DHE/DHF/DHR21B (standard) and DHE/DHF/DHR41B (advanced)
70
Status LED
Possible cause
Measure
Red
•
Connection to the PROFINET IO
controller has failed.
•
PROFINET IO device does not de-
tect a link.
•
Bus interruption.
•
PROFINET IO controller is not in
operation.
•
Check the PROFINET connection
of the hardware option.
•
Check the PROFINET IO control-
ler.
•
Check the cabling of your
PROFINET network.
•
Yellow
•
Flashing yellow
The STEP 7 hardware configuration
contains a module that is not permit-
ted.
Switch the STEP 7 hardware configur-
ation to ONLINE and analyze the com-
ponent status of the slots in the
PROFINET IO device.
LED "L14" (RUN)
LED "L14" (RUN) indicates that the bus electronics are operating correctly.
Status LED
Possible cause
Measure
Green
•
Hardware OK.
•
Proper operation.
–
Off
Hardware is not ready for operation.
Switch on the device again.
If this error reoccurs, contact
SEW‑EURODRIVE.
Red
Hardware defect in the bus electronics. Switch on the device again.
If this error reoccurs, contact
SEW‑EURODRIVE.
Flashing green
Hardware does not start up.
Switch on the device again.
If this error reoccurs, contact
SEW‑EURODRIVE.
Flashing yellow
Hardware does not start up.
Switch on the device again and set the
default IP address parameter via the
"S1" DIP switch.
If this error reoccurs, contact
SEW‑EURODRIVE.
Yellow
Hardware does not start up.
Switch on the device again.
If this error reoccurs, contact
SEW‑EURODRIVE.
22900055/EN – 08/2016
Содержание DH 21B Series
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