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Device specifications
Processor modules > PM50xx
LED
ERR
MOD1
RUN
72
State
Color
Error indica-
Red
tion
Mode 1 indi-
Yellow
cation
RUN/STOP
Green
state
3ADR010635, 2, en_US
LED = ON
LED = OFF
An error
No errors or
occurred
only warnings
encountered
(E4 errors).
The LED
behavior for
the error
classes 2 to 4
is configu-
rable.
Processor
Processor
module is in
module is not
mode 1 state
in mode 1
state
Processor
Processor
module is in
module is in
state RUN
state STOP
LED flashing
Fast flashing
(4 Hz) dis-
plays together
with the RUN
LED a cur-
rently running
firmware-
upgrade or
writing data to
the Flash-
EPROM. Slow
flashing (1
Hz) alone dis-
plays shut-
down of
Request To
Send.
Medium
flashing (2
Hz) alone dis-
plays at start
of PLC if
reboot after
watchdog.
-
Fast flashing
(4 Hz):
The processor
module is
reading/
writing data
from/to the
memory card.
If the ERR-
LED is also
flashing, data
is being
written to the
Flash-
EPROM.
2021/06/29
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