Displays
LED
Pos.
Colour
MS
Green
ME
Red
BS
Green
BE
Red
DE
Red
Signalling at the terminals X211 or X212:
−
Red
−
Green
EDK94AYCEC DE/EN/FR/ES/IT 1.0
Condition
Description
Blinking
Communication module is supplied with voltage, but has no connection to the
standard device (standard device is either switched off, in the initialisation
phase, or not available).
On
Communication module is supplied with voltage and has a connection to the
standard device.
On
There is an error in the area of the communication module.
The LED functions are controlled by the NMT state machine.
Off
EPL network is not active
(LED off)
EPL status:
NMT_GS_OFF, NMT_GS_INITIALISATION,
NMT_CS_NOT_ACTIVE / NMT_MS_NOT_ACTIVE
EPL network in the initialisation phase.
(LED flashes once within a second)
EPL status:
NMT_CS_PREOPERATIONAL_1 / NMT_MS_PREOPERATIONAL_1
EPL in the initialisation phase with cyclic traffic.
(LED flashes twice within a second)
EPL status:
NMT_CS_PREOPERATIONAL_2 / NMT_MS_PREOPERATIONAL_2
EPL node waits for the starting signal.
(LED flashes three times within a second)
EPL status:
NMT_CS_READY_TO_OPERATE / NMT_MS_READY_TO_OPERATE
EPL node has not found any EPL master and is in the "BASIC−Ethernet"
operating mode.
(LED is blinking at a frequency of 10 Hz)
EPL status:
NMT_CS_BASIC_ETHERNET
EPL node in the "Stopped" status. Waiting for disconnection.
(LED is blinking at a frequency of 2.5 Hz)
EPL status:
NMT_CS_STOPPED
EPL node in the operating phase
(LED is on continuously)
EPL status:
NMT_CS_OPERATIONAL / NMT_MS_OPERATIONAL
Off
There is no error.
On
There is an error.
On
The communication module is not accepted by the standard device (see notes
given in the documentation on the standard device).
On
Ethernet collision is available.
On
Ethernet connection is available.
Blinking
Ethernet connection with active data communication
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