Test And Diagnosis; Reading The Diagnostic Leds - Aventics DeviceNet Instrucciones De Servicio

Table 13 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
RUN +MNS off
+UL Green
RUN Off
+MNS Flashes red
UL Flashes green
RUN Flashes green
MNS Red
1)
This display appears only as long as the overloaded output is controlled or as long as the total current of the valve
supply is exceeded.
2)
Flashing frequency: 0.5 s on / 0.5 s off
3)
Flashing frequency: 0.8 s on / 0.2 s off
4)
Flashing frequency: 0.125 s on / 0.125 s off
AVENTICS | DeviceNet | R402003659–BAL–001–AG
7.3

Test and diagnosis

7.3.1

Reading the diagnostic LEDs

The LEDs on the housing of the bus coupler show the diagnostic
messages from Tab. 13.
O
Before commissioning and during operation, regularly check bus
coupler functions by reading the diagnostic LEDs.
Description
Logic supply available
Valve supply overload (group diagnosis)
No electronics supply available
Valve supply U
Q1
Low voltage (12 V < U
Valve supply U
Q1
Valve supply U
Q2
Low voltage (12 V < U
Valve supply U
Q2
Initialization completed (operative status)
Initialization after power on
Bus power supply (V+/V-) missing, device remains in initialization state
2)
3)
4)
Inadmissible Mac ID (> 63) or duplicate Mac ID error
The function of the MNS LED corresponds to the ODVA specification (see
"The CIP Networks Library Volume Three: DeviceNet
Edition 1.5, November 2007")
1)
OK
< 21.6 V / 20.4 V (S3.4))
Q1
< 12 V
OK
< 21.6 V / 20.4 V (S3.4))
Q2
< 12 V
Commissioning and operation
TM
Adaptation of CIP
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