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Operation as a PROFINET device
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9 Operation as a PROFINET device
The switch is supported as a PROFINET device in PC Worx Version 5.00.26 or later. The
PROFINET controller is then responsible for starting up the switch within a PROFINET ap-
plication. This includes assigning the IP parameters, comparing the desired/actual configu-
ration, and archiving alarms sent by the switch. In the event that a device is replaced, the
controller detects the replacement device and starts it up automatically. For the controller
program, the switch as a PROFINET device will make available the link states as a process
data item.
9.1 Preparing the switch for PROFINET mode
When activating PROFINET mode, the following default settings are made for operation:
–
The Link Layer Discovery Protocol (LLDP) is activated with the following configuration
specifications for PROFINET components:
- Message transmit interval: 5 s
- Message transmit hold multiplier: 2
- TLV port ID with subtype locally assigned in the following format: port-xyz
- TLV chassis ID with subtype locally assigned transmits the station name
– The Discovery and Configuration Protocol (DCP) is activated as the mechanism for as-
signing IP parameters.
– The station name (system name) is deleted if the value for the “System Name” object
contains the device type (default upon delivery).
– The MRP protocol is not activated.
– The PDEV function is supported by firmware version 2.20 or later.
In addition, when switching to “PROFINET” mode, the configuration is saved automatically
and the device is restarted.
The switch then starts in “PROFINET” mode for the first time and waits for a name and a
PROFINET IP address to be assigned. At this point, the switch is already visible in the net-
work via LLDP with the default name “FL SWITCH SMN” and IP address “0.0.0.0”.
The switch indicates that it is waiting for a valid IP configuration via DCP when the LED for
the mode that is currently active flashes.
The switch cannot be accessed via other network services such as ping at this time.