Selectron CPU 72 Series User Manual

CPU 72x
24.05.2019 page 20
LED UC/BAT
LED UC/BAT shows the status of the UC power supply and the charge status of the Li
battery in the CPU 72x units.
LED status
Meaning
off
UC power supply < Powerfail threshold
green on
UC power supply good
orange on
UC power supply good and Low-Battery display
red on
UC power supply < Powerfail threshold and Low-Battery display
LED RUN
LED RUN displays the module status and the error status.
LED status
Meaning
off
User program stopped and no error
green flashing
User program in Hold Mode
green on
User program running in RUN Mode
red on
Especially with CPU 723-T: the application has stopped and the
Watch-Dog-Reset has come on or the C is not running. Other
72x CPUs: the µC is not running.
orange /
red flashing
Application in Hold Mode and Watch-Dog-Reset is on.
orange on
Application in RUN Mode and Watch-Dog-Reset is on.
red flashing
Fatal error.
LED CAN / CAN1
LED CAN / CAN1 displays the status of CAN communication on the first CAN bus.
LED status
Meaning
off
CAN / CAN 1 not active
green flashing
More than 96 error reports have occurred in communication on
the CAN bus, i.e. the warning limit has been reached.
green on
CAN / CAN 1 no error, normal operating status
red on
The CAN bus CAN / CAN 1 is in 'BUS OFF' state.
No further CAN communication is possible.
The CAN controller has switched off.

Selectron CPU 72 Series Specifications

General

Brand	Selectron
Model	CPU 72 Series
Category	Computer Hardware
Language	English