
8
Operation
DHF21B/41B controller
Manual – DHE/DHF/DHR21B (standard) and DHE/DHF/DHR41B (advanced)
66
No.
Name
Function
LED 13
BUS OFF
The two-color LEDs 13 – 16 indicate the
current state of the fieldbus and the
DeviceNet
TM
interface.
LED 14
Bit strobe I/O
LED 15
Polled I/O
LED 16
MOD/NET
LED 17
PROFIBUS fault
Status of PROFIBUS electronics
LED 18
RUN PROFIBUS
Status of PROFIBUS communication
8.2.1
LEDs in PROFIBUS mode
LED "L17" (PROFIBUS fault)
LED "L17" (PROFIBUS fault) indicates that communication via the PROFIBUS inter-
face is working properly.
Status LED
Possible cause
Measure
Off
The MOVI‑PLC
®
advanced controller is
exchanging data with DP master (data
exchange state).
–
Red
•
Connection to the DP master has
failed.
•
The MOVI‑PLC
®
advanced control-
ler does not detect a PROFIBUS
baud rate.
•
Bus interruption.
•
DP master not in operation.
•
Check the PROFIBUS DP connec-
tion of the device.
•
Check the configuration of the DP
master.
•
Check all the cables in the
PROFIBUS DP network.
Flashing red with 1 Hz
•
The MOVI‑PLC
®
advanced control-
ler has detected the baud rate, but
is not addressed by DP master.
•
The MOVI‑PLC
®
advanced control-
ler was either not configured in the
DP master or has been configured
incorrectly.
•
Check and correct the PROFIBUS
address set in the MOVI‑PLC
®
ad-
vanced controller and in the config-
uration software of the DP master.
•
Check and correct the configura-
tion of the DP master.
•
Use the GSD file
SEW_6007.GSD
with the designation
MOVI‑PLC
for
configuration.
LED "L18" (RUN PROFIBUS)
LED "L18" (RUN PROFIBUS) indicates that the PROFIBUS electronics (hardware) is
working properly.
Status LED
Possible cause
Measure
Green
PROFIBUS hardware is OK.
–
Green, flashing with 1 Hz
The PROFIBUS station address set
on the DIP switches is more than
125. Station addresses >125 are not
permitted. The system does not start
up. The maximum permitted station
address is 125.
1. Check and correct the PROFIBUS
station address on the DIP switches.
2. Switch on all inverters again. The
modified PROFIBUS station address
will only take effect after a restart.
22900055/EN – 08/2016
Summary of Contents for DH 21B Series
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