
E84AYCEC communication manual (Ethernet POWERLINK)
Diagnostics
LED status displays
54 L EDS84AYCEC EN 3.0 - 09/2012
9.1.1 Module status displays
The LEDs MS, ME, BE and DE indicate the module status.
E84YCEC003A
MS Module Status
ME Module Error
BE Bus Error
DE Device Error
LED Colour Status Description
MS Green On
The communication module is supplied with voltage and has
established a connection to the standard device.
Blinking
The communication module is supplied with voltage, but has not
established a connection to the standard device. (Standard device is
switched off, initialising or not present.)
ME Red On
An error concerning the communication module has occurred.
BE Red On
A fieldbus error has occurred.
DE Red On
The communication module is not accepted by the standard device.
See notes given in the documentation for the standard device.
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