User manual
Product Description
30
33002479 06 07/2008
LED Description The following table shows the description for the LED indicators of the different High
End CPU modules.
LEDs Indication
Standard Processors
140 CPU 65* *0 / 140 CPU 651 60S
Hot StandBy Processors
140 CPU 671 60 / 140 CPU 671 60S
COM
(yellow)
Controlled by the Coprocessor
hardware
z Indicates Ethernet activity
Controlled by the Coprocessor hardware
z Indicates Primary or Standby activity
STS
(yellow)
Controlled by the Coprocessor
software
Controlled by the Coprocessor firmware
z Blinking: system is redundant and
data are exchanged from the Primary
to Standby controller
z ON: system not redundant / Copro
booting from power-on to end of self-
tests
z OFF: Copro auto tests were not
successfull
ON Normal
OFF Copro auto tests
unsuccessful. Possible
hardware problem.
Flashing:
1 Flash Configuration in
progress.
Temporary situation.
2 Flashes Invalid MAC address
3 Flashes Link not connected
4 Flashes Duplicate IP Address.
Module is set to its
default IP address.
5 Flashes Waiting for IP address
from address server
7 Flashes Firmware
incompatibility
between PLC OS and
Copro firmware
Note: 6-flash signal is not used.