BECKHOFF EP9128 - Manual (Page 16)

Basic functioin principles
Fig. 10: Example configuration with interrupted cable
The System Manager messages can be interpreted as follows:
• Address 1002 ­ EK1122: "OP LNK:MIS D": The slave is in OP state, although a link is missing at port D
(3) that should be present according to the configuration
• Address 1003 ­ EK1100: "INIT NO_COMM": Since communication with this slave is interrupted its state
is shown as INIT
• Address 1004 ­ EL3104: ditto
Note
Logger output
The logger output can be displayed in the lower part of the System Manager (Display­­>
Show Logger Output). This may be helpful for diagnostic purposes (for link interruptions
and other situations).
In the topology display any slaves affected by interruption are shown with a red border, see following Fig.
EP9128 16 Version 2.1.0