2
Overview
Festo – EXCM-10/-30-...-E-EN – 1612b – English
19
COM
The LED display “COM” displays an active communication through a green-flashing display compon
ent. The interface assignment is shown through the flashing behaviour of the LED indicator.
A CANopen-specific message is signaled through a yellow or red LED display component.
COM - I/O operation
LED
(green/yellow/red)
Status
Significance
Flashes green (– – – …)
Communication active.
ON
OFF
Tab. 2.4
LED indicator COM - I/O operation
COM - CANopen operation
LED
(green/yellow/red)
Status
Significance
Illuminated green
Normal operating status.
Communication through SDOs and
PDOs possible (operational).
Flashes green (· · · · …)
Normal status after switch-on. Com
munication only possible through
SDOs (pre-operational).
ON
OFF
Illuminates yellow
No bus cable connected or no bus
parameters configured.
Illuminated red
No bus connection (bus OFF).
Flashes red (· · · …)
Telegrams cannot be received or sent
(Warning Limit).
ON
OFF
Flashes red (·· ·· ·· …)
Time exceeded for communication
monitoring (Node Guarding).
ON
OFF
Tab. 2.5
LED indicator COM - CANopen operation
COM - CVE operation
LED
(green/yellow/red)
Status
Significance
Flashes green (– · – · …)
Communication active.
ON
OFF
Tab. 2.6
LED indicator COM - CVE operation
Summary of Contents for EXCM-10-***-E
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