LED Descriptions
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PC Cards cifX Compact PCI, Mini PCI, Mini PCIe, PCI-104 | Installation, Operation and Hardware Description
DOC120205UM53EN | Revision 53 | English | 2019-03 | Released | Public
© Hilscher, 2008-2019
8.7 EtherCAT Master V4
For the EtherCAT Master protocol, the communication LEDs
RUN
and
ERR
as well as the Ethernet LEDs
LINK
and
ACT
can assume the states
described below. This description is valid from stack version V4.0.
LED
Color
State
Meaning
Duo LED red/green
(off)
Off
INIT
: The device is in state INIT.
(green)
Blinking
(2,5 Hz)
PRE-OPERATIONAL
: The device is in PRE-OPERATIONAL state.
(green)
Flickering
(10 Hz)
The device is not configured.
(green)
Single flash
SAFE-OPERATIONAL
: The device is in SAFE-OPERATIONAL state.
RUN
General
name:
COM 0
(green)
On
OPERATIONAL
: The device is in OPERATIONAL state.
Duo-LED red/green
(off)
Off
Master has no errors.
(red)
Single flash
Bus Sync error threshold
(red)
Double flash
Internal Stop of the bus cycle
(red)
Triple Flash
DPM watchdog has expired.
(red)
Quadruple
Flash
No Master license present in the device.
(red)
Blinking
(2,5 Hz)
Error in the configuration database.
(red)
Single
Flickering
Channel Init was executed at the Master.
Remarks: Transient error so can happen to be not visible at all.
(red)
Double
Flickering
Slave is missing.
Unconfigured Slave
No matching mandatory slave list
No bus connected
ERR
General
name:
COM 1
(red)
Flickering
(10 Hz)
Boot-up was stopped due to an error.
LED green
(green)
On
Link:
The device is linked to the Ethernet, but does not
send/receive Ethernet frames.
(green)
Flickering
(load
dependent)
Activity:
The device is linked to the Ethernet and sends/receives
Ethernet frames.
LINK
Ch0
(off)
Off
The device has no link to the Ethernet.
LED yellow
ACT
Ch0
(off)
Off
This LED is not used.
Table 56: LED states for the EtherCAT Master protocol
LED State
Definition
Single flash
The indicator shows one short flash (200 ms) followed by a long “off“ phase (1,000 ms).
Double flash
The indicator shows a sequence of two short flashes (each 200 ms), separated by a short off
phase (200 ms). The sequence is finished by a long off phase (1,000 ms).
Triple Flash
The indicator shows a sequence of three short flashes (each 200 ms), separated by a short
off phase (200 ms). The sequence is finished by a long off phase (1,000 ms).
