Testing And Diagnosis On The Modules; Reading The Bus Coupler Diagnostic Display; Check Sensors On The Input Module - Aventics EtherNet/IP Mode D'emploi

68 AVENTICS | EtherNet/IP™ | R412012728–BDL–001–AC
Commissioning and Operation

7.4 Testing and diagnosis on the modules

7.4.1

Reading the bus coupler diagnostic display

The LEDs on the front panel of the bus coupler show the messages from tab. 17.
Before commissioning and during operation, regularly check bus coupler
functions by reading the diagnostic displays.
LED Signal
Supply Green
(U /U )
Q1 Q2
Red
U Green
L
Off
Diagnosis Green
Red
COMM
Connected Green
Red
Link
7.4.2

Check sensors on the input module

There is one LED per input on the input module for monitoring purposes. The LED
lights up if the signal level is high.
Before commissioning the system, check the sensor function and method of
operation by reading the LEDs.
Fig. 14: LED displays on the M8 input module (left) and M12 (right)
LED Color
Input Yellow
Description
Logic supply available
Valve supply U /U OK
Q1 Q2
Sensor or valve supply overload (group diagnosis)
Low voltage (U /U < 18.5 V)
Q1 Q2
Logic voltage available
No logic voltage available (U
No diagnostic message
Diagnostic message present
No function
"Unconnected!" or "Class1/3 connection" established
For Class 1/3 connection: PLC in RUN mode
For Class 1/3 connection: PLC in STOP
Physical Ethernet link established
Meaning
High signal level mode
< 16 V)
L