LED display
Meaning
Meaning
SF PN
PROFINET bus error
LED
Red
This LED indicates a fault at the PROFINET interface.
LED
Off
PROFINET onboard interface is operating without error; the
data exchange to all configured I/O devices is running.
LED
On
Bus fault
LED flashes 2 Hz
Failure of a connected I/O device.
At least one of the assigned I/O devices cannot be addressed.
Configuring error.
5 Hz
FAULT state
SIMOTION software does not run in the FAULT state (all LEDs
flash simultaneously).
SY/MT
Sync of PROFINET interface
LED
Yellow
This LED indicates whether the PROFINET interface has been
synchronized.
LED
Off
The PROFINET interface has not yet synchronized with the
send cycle clock of PROFINET IO with IRT, or PROFINET IO
with IRT has not been configured.
LED
On
The PROFINET interface has synchronized to the send cycle
clock of PROFINET IO with IRT.
LED flashes 2 Hz
A PROFINET firmware download is in progress.
5 Hz
FAULT state
SIMOTION software does not run in the FAULT state (all LEDs
flash simultaneously).
BUS1F
BUS2F
X101
X102
Status of IsoPROFIBUS inter‐
face
LED
Red
If this LED is red, it indicates a fault at the IsoPROFIBUS in‐
terface.
LED
On
Bus fault
Parameter assignment error
LED
Green
If this LED is green, it indicates the bus status of the IsoPRO‐
FIBUS interface.
LED
On
Cyclic data exchange
LED flashes 2 Hz
Bus status "Clear"
5 Hz
FAULT state
SIMOTION software does not run in the FAULT state (all LEDs
flash simultaneously).
LED
Off
No fault or no interface configured.
Alarm, error and system messages
12.1 Diagnosis using the LEDs
SIMOTION P320-4 E / P320-4 S
194
Commissioning and Hardware Installation Manual, 11/2016