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Operation as a PROFINET device
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9.2.4 PROFINET flashing function
If the switch is requested to flash in PROFINET mode by the engineering tool, the LEDs se-
lected by the mode button flash.
9.2.5 Device naming
In order to start up a switch in “PROFINET” mode, each switch must be assigned a name
once, i.e., each PROFINET device is assigned a unique device name. A device search
(“Read PROFINET” function in PC Worx) is performed via the engineering tool, where all the
devices that can be accessed in the network are listed. After identifying unknown devices
via the specified MAC address or the “Flashing” function, the device name configured in the
engineering tool is saved permanently on the switch with the “Assign Name” function.
9.2.6 Operating in the PROFINET environment
A switch that has already been assigned a name starts in “PROFINET” mode without an IP
address and waits for the assignment of an IP configuration (flashing of the LED for the cur-
rently active mode). Once the project has been translated and downloaded to the controller,
the controller implements startup and configuration. As soon as a communication relation-
ship has been successfully established between the switch and the controller, the switch
starts its management interfaces. The switch indicates that the PROFINET connection has
been established correctly by means of an entry in the event table.
9.3 PROFINET alarms
The SMN can send the following alarms:
–
Redundant power supply missing (management agent alarm)
– MRP manager registered a ring interrupt (management agent alarm)
– Interface module removed (slot-specific alarm)
– Link monitoring (slot alarm for the relevant channel/port)
All the alarms are deactivated when the device is started.
The device name can also be assigned via WBM before switching to PROFINET mode.