Siemens SCALANCE X-200 Operating Instructions Manual page 260

PROFINET IO functionality
8.4 Structure of the data records
SlotNumber
Slot designation.
SubslotNumber
Subslot designation
LengthOwnPortID
Length of the OwnPortID field in bytes.
OwnPortID
ID of the port used.
NumberOfPeers
Number of neighboring ports.
LengthPeerPortID
Length of the "PeerPortID" field in bytes.
PeerPortID
Designation of the neighboring port.
LengthPeerChassisID
Length of the "PeerChassisID" field in bytes.
PeerChassisID
ID of the neighboring device.
LineDelay
LineDelay.FormatIndicator = 0
Value (hexadecimal)
0x00000000
0x00000001 – 0x7FFFFFFF
LineDelay.FormatIndicator = 1
260
Meaning
Line delay and cable delay unknown.
Line delay in nanoseconds.
Operating Instructions, 12/2011, A5E00349864-19
SCALANCE X-200