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5.3.2
LEDs on basic modules
S BM 143-DESINA FO,
S BM 143-DESINA RS485
S BM 141 DI 8
S BM 141 DI 8
S BM 141 DI 8
Table 5-8
Status and fault displays using LEDs on the basic modules
SF
RUN
DC 24 V-NS (non-switched load voltage):
DC 24 V-S
LEDs
RUN DC 24 V-NS DC 24 V-S
SF
On *
*
On Flash. On
Off Flash. On
*
Not applicable
RUN LED
The RUN LED lights up when the DP slave is in the process of exchanging data
with the DP master.
DC 24-NS LED
The DC 24V-NS LED is on when the DC 24V-NS non-switched supply voltage is
applied.
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
DC 24V ECOFAST
DC 24V ECOFAST DIAG
DC 24V DIAG
(system fault):
(status indicator):
(switched load voltage):
Meaning
S
*
Diagnostic message has
been issued.
S
The PROFIBUS address set
on the DP slave is not
allowed.
S
A DP slave hardware fault
has occurred.
S
On
The configuration data sent
by the DP master to the DP
slave does not agree with
the configuration of the DP
slave.
S
On
PROFIBUS address is
incorrect
S
Bus interruption at
PROFIBUS-DP
Commissioning and Diagnostics
red
green
green
green
Action
S
Evaluate the diagnosis.
S
Change the PROFIBUS
address for the basic module
as set by means of the
configuration connector.
S
Check whether the modules
are securely connected
together.
S
Check the configuration of
the DP slave (input/output,
PROFIBUS address).
S
Correct the
PROFIBUS address
S
Rectify the bus interruption
5-15
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