Hardware-Installation
Manual • Doc.-No.: C.3030.21 / Rev. 1.4
CAN-CBX-AI420
Page 16 of 103
3.2.4 Operation of the Error-LED
LED indication
Display function
Label
Name
Colour
Indicator state
Description
M
Error
red
off
no error
on
CAN Overrun Error
The sample rate is set so high, that the firmware is not able
to transmit all data on the CAN bus.
2 flashes
Internal software error
e.g.:
- stored data have an invalid checksum therefore default
values are loaded
- internal watchdog has triggered
- indicator state is continued until the module resets or an
error occurs at the outputs.
blinking
error of the A/D-input voltage
input voltage of at least one channel
n
10V
Table 8: Indicator state of the Error-LED
3.2.5 Operation of the Power-LED
LED indication
Display function
Label
Name
Colour
Indicator state
Description
P
Power
green
off
no power supply voltage;
or the module is in Bootloader-Mode, this state is indicated
by the CANopen status-LED (3 Flashes)
on
power supply voltage is on and application software is
running
Table 9: Indicator state of the Power-LED
3.2.6 Special Indicator States
The special indicator state described in the following table is indicated by the CANopen-Status-LED
and the CAN-Error-LED together:
LED indication
Description
CANopen-Status LED: 3 flashes
CAN-Error LED: on
The coding switches for the Node-ID are set to an invalid ID-value,
when switching on. The firmware application will be stopped.
Table 10: Special Indicator States