XCA 1100 / XCA 1200 Control Unit
Operating Manual XCA 1100 / XCA 1200
●
Version 12/17
21
4.1.7
Controller LED Displays
Table 8:
LED displays on the
controller
Designation
Colour Status
Meaning
POWER
Power
off
Device switched off
green
on
Unit switched on
ACT
IDE (CF) / SATA (SSD) activity
off
No access
green
flashing
Access successful
BUS
Bus access
off
No access for PLC stop or (real-time)
operating system inactive
green
on
Bus access OK
red
flashing
Bus access error / configuration error
RUN/ERR
CPU status
off
CPU faulty
green
on
CPU boots
green
on
CPU running, operating voltage OK, no
errors
red
flashing
Fatal error: CPU can not boot
PLC RUN
PLC status
(continuation)
off
PLC stop
green
on
PLC running
yellow
flashing
PLC running, but outputs shut down
(ready-for-operation relay released)
WD
Watchdog
off
Watchdog did not respond
red
on
Serious error or
(real-time) operating system inactive
CAN NET
CAN network status
off
CAN state prepared
green
on
CAN state operational
flashing
CAN state pre-operational
red
on
Bus off
flashing
CAN error
CAN MOD
CAN module status
green
on
CAN stack initialized
flashing
Invalid CAN configuration
red
on
Control unit not ready, or
serious error
flashing
Error in controller