Testing And Diagnosis On The Bus Coupler; Reading The Bus Coupler Diagnostic Display - Aventics CMS, B-Design Betriebsanleitung

Table 20: Definitions for diagnostic LEDs on the bus coupler
LED Signal
UL/DIA Green
Off
Red
UQ1 Green
Red
Off
UQ2 Green
Red
Off
RUN Green
MNS Green
Flashes green
Red
Flashes red
RUN + MNS Off
+UL Green
RUN + MNS Off
+UL Flashes green
UL Flashes green
MNS Red
RUN Flashes green
AVENTICS | DeviceNet | R499050019–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.
O
Before commissioning and during operation, regularly
check bus coupler functions by reading the diagnostic
displays.
Description
Logic supply U available
L
No U logic supply available
L
Valve driver overload (group diagnosis DIA)
This display appears only as long as the overloaded output is controlled.
Valve supply U OK
Q1
Low voltage (12 V < U
No valve supply U
Q1
Valve supply U OK
Q2
Low voltage (12 V < U
No valve supply U
Q2
Initialization completed (operative status)
Module is online on bus,
communication connections have been established.
1)
Module is online on bus, no communication connections have been
established.
CAN controller in "BUSOFF" status (critical error) or impermissible baud
rate (> 500 kB)
2)
Watchdog error in the communication connections (repairable error) or
MAC ID/baud rate switch does not correspond to online MAC ID/baud rate
Initialization after power on
1)
No bus supply (V+/V–)
Device remains in initialization state
1)
Invalid MAC ID (> 63)
2)
MAC ID already taken
Commissioning and Operation
< 18.5 V)
Q1
(< 12 V)
< 18.5 V)
Q2
(< 12 V)
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