Testing And Diagnosis On The Bus Coupler; Reading The Bus Coupler Diagnostic Display - Aventics CANopen Instrucciones De Servicio

Table 20: Definitions for diagnostic LEDs on the bus coupler
LED Signal
U /DIA Green
L
Red
Off
U Green
Q1
Red
Off
U Green
Q2
Red
Off
RUN Green
Flashes green~
Flashes green~~
Flashes green+
Off
ERR Off
Red
Flashes red+
Flashes red~~
AVENTICS | CANopen | R412005742–BDL–001–AD
7.5

Testing and diagnosis on the bus coupler

7.5.1

Reading the bus coupler diagnostic display

The LEDs on the front panel of the bus coupler show the
messages from Tab. 20.
Before commissioning and during operation, regularly
O
check bus coupler functions by reading the diagnostic
displays.
Description
Logic supply available
Sensor supply overload (group diagnosis)
No logic supply available
Valve supply U
Low voltage (12 V < U
Valve supply U
Valve supply U
Low voltage (12 V < U
Valve supply U
Operation display, module is in a
2)
Module is in a
(Slave is waiting for the NMT-START telegram from the CAN master.)
3)
Module is in
ERROR LED alternatively blinks as well).
Optional
4)
"
Module is STOPPED
Module is in an
No bus error recognized
Module is in
Invalid node ID (node ID = 0 is not permitted).
4)
Module is in
reached or exceeded the maximum value).
3)
Module is in
(the RUN LED alternatively blinks as well).
Optional
Commissioning and operation
OK
Q1
< 18.5 V)
Q1
< 12 V
Q1
OK
Q2
< 18.5 V)
Q2
< 12 V
Q2
"
pre-operational
" "
pre-operational state.
"
auto baud rate detection or LSS services
"
.
" "
initializing state.
" "
bus off state (not active in CAN).
" "
error passive state (at least one error counter has
"
auto baud rate detection or LSS services
125
1)
"
state.
"
state (the
"
state