Hitachi WJ200 Series Quick Reference Manual page 30

Chapter 8 PROFINET Specification
8.4.2 port ID
This data indicates the port information at which WJ-PN transmits LLDP packet.
Item
Type
Length
Value port ID subtype
port ID
8.4.3 Time To Live
This data indicates the seconds which is retention time.
Item
Type
Length
Value Time To Live
8.4.4 LLDP_PNIO_PORTSTATUS
This data is particular TLV to PROFINET, and indicates the PROFINET port information.
Item
Type
Length
Value OUI
subtype
RTClass2 port status
RTClass3 port status
OUI (Organizationally Unique Identifier) is the unique identifier. OUI which is 0x00 0x0E 0xCF
indicates PROFINET.
WJ-PN doesn't support RTClass2 and RTClass3.
8.4.5 LLDP_PNIO_CHASSIS_MAC
This data is particular TLV to PROFINET, and indicates the device information.
Item
Type
Length
Value OUI
subtype
MAC address
Length
7 bits 2
9 bits 9
1 byte 7
8 bytes port 1 : port-001
port 2 : port-002
Length
7 bits 3
9 bits 9
1 byte 20
Length
7 bits 0x7F
9 bits 8
3 bytes 0x00 0x0E 0xCF
1 byte 2
2 bytes 0
2 bytes 0
Length
7 bits 0x7F
9 bits 10
3 bytes 0x00 0x0E 0Xcf
1 byte 5
6 bytes MAC address of host
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Value
Value
Value
Value