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Operating as a PROFINET device
6874_en_16
PHOENIX CONTACT
9-9
9.5
PDEV - Function description
The PDEV function provides an extended scope of functions for switches in PROFINET
mode. This includes displaying neighbor and topology information in the engineering tool.
This information is determined using the Link Layer Discovery Protocol (LLDP) and can be
used to compare the desired and actual network.
In addition, the PDEV function is used to display the transmitted information via the Ethernet
ports.
The PDEV function uses two new submodules:
–
Interface submodule with port number 0x8X00 (X: 0 to F)
–
Port submodule with port number 0x8IXX (I: Interface ID; X: Port number)
These submodules are represented in the Step7 engineering tool. PROFINET
communication enables information about the port speed, duplex mode, and the link status
to be read. An engineering tool reads and then displays the neighbor and topology
information via SNMP.
9.5.1
PROFINET stack and PDEV function
The PDEV function is supported by PROFINET stack Version 2.2. The following functions
are supported by PN stack 2.2:
–
Link status, port mode, and port MAC address can be requested via the port
–
Storing of PDEV data
–
Reorganization of submodules for integrating interfaces and new ports
–
Use of the PN stack LLDP in PN mode (used for neighbor and topology detection)
–
Support for device replacement and application redundancy
9.5.1.1
PDEV in the firmware
The PDEV function can be used for the FL SWITCH SMCS device range in firmware
Version 2.2 or later. In addition, the corresponding version of the GSDML file must be used
(the FDCML file does not support PDEV at present).
These files are used to describe the device function and can be imported into an
engineering tool.
The PDEV function can be used for the FL SWITCH MCS/MMS device range in firmware
Version 4.70 or later. In addition, the corresponding version of the GSDML file must be used
(the FDCML file does not support PDEV at present).
These files are used to describe the device function and can be imported into an
engineering tool. The PDEV function is only available in firmware Version 4.70 or later.
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