Error handling and diagnostics
EK3100
52
Version: 1.5
6
Error handling and diagnostics
6.1
Diagnostic LEDs
Table 11: Diagnostic LEDs on the EK3100.
Display
LED
Description
Color
Meaning
RUN
Indicates the
status of the
coupler.
Green
EK3100 started.
Blue
Update of the EK3100 via
USB possible.
BF
Shows the
PROFIBUS
status
Flashing green
No PROFIBUS
communication.
Green illuminated
EK3100 is in data exchange.
LED
Description
Error code -
First sequence
Error location -
Second sequence
Meaning
DIA
Flashes red in the
event of an error.
Indicates the error
code and the error
location through two
consecutive
sequences.
1 pulse
After Bus Terminal n Wrong module.
2 pulses
Missing module.
3 pulses
Module pulled.
4 pulses
Wrong module connected.
5 pulses
EtherCAT slave not in OP
mode.
6 pulses
State change aborted.
7 pulses
Abnormal state change.
8 pulses
SDO abort.
9 pulses
Wrong SDO length.
10 pulses
Wrong SDO data.
6.2
Power supply terminal LEDs in K-bus mode
The power supply unit checks the connected EtherCAT Terminals. The "L/A" LED is lit in E-bus mode. The
"L/A" LED flashes during data transfer.
Table 12: Power supply terminal LEDs on the EK3100.
Display
LED
Meaning
Us 24 V
Power supply for basic CPU module.
The LED lights green if the power
supply is correct.
Up 24 V
Power supply for terminal bus. The
LED lights green if the power supply
is correct.
L / A
off
E-bus not connected.
on
E-bus connected / no data traffic.
flashes
E-bus connected / data traffic on the
E-bus.
