Murr Elektronik 55283 - Diagnostic Messages and Status

Manual for MVK-MPNIO Modules
V 1.9 63
Diagnostic Message
Possible Cause
Action
Channel
Short-
circuit (of sensor
power supply)
 Overload or short circuit of
sensor power supply to 0V.
 Check sensor cable or
check sensor for short-
circuit, if necessary replace.
Actuator warning
 Short-circuit of output signal to
24V.

Check wiring. Possibly sen-
sor plugged into actuator
slot.
Actuator disable
 Overload or short-circuit of
output signal to 0V.
 Check wiring or actuator.
External Error
 Diagnostic acc. to DESINA
specification. 24V at Pin2
missing.
 Check DESINA sensor and
DESINA cable, if necessary,
replace.
6.1.3 Diagnostics of the Power Supply Voltages
T
he status display for bus, sensor, and actuator power supply is defined on the module by US and UA.
The following states are possible:
Voltage UA / US
LED
> 17.5 volts
Lights up green
> 12 volts, <17.5
Lights up red
<12 volts
LED is off
6.1.4 Diagnositc BUS RUN-LED
B
US RUN indicates condition oft he fieldbus.
BUS RUN
LED
Device is in operational state with PLC
Lights up green
Device has no connection to th ePLC
Flashing green
Device is switched off
LED is off
6.1.5 Diagnostic CfgF-LED
C
fgF indicates condition oft he PLC configuration.
CfgF-LED
LED
Config Fault
Lights up red
Device config is faultless
LED is off
6.1.6 Diagnose LNK-LEDs (LNK P1, LNK P2)
L
NK indicates state oft he physical Profinet ports.
LNK
LED
Ethernet Link physical active
Lights up green
Profinet Device localization
Flashing green
No connection
LED is off