Cable Diagnostics; Cable Error Length; Broadcast Storm Protection; Broadcast Storm Filter - Danfoss VLT AutomationDrive Programming Manual

Parameter Descriptions
12-89 Transparent Socket Channel Port
Range:
0 [0 – 9999] Configures the TCP port number for the
*
3 3

12-90 Cable Diagnostics

Option:
[0] Disable
*
[1] Enable
NOTE!
The cable diagnostics function will only be issued on ports
where there is no link (see 12-10 Link Status, Link Status)
12-91 Auto Cross-Over
Option:
[0] Disable
[1] Enable
*
NOTE!
Disabling of the auto cross-over function will require
crossed Ethernet cables for daisy-chaining the options.
12-92 IGMP Snooping
Option:
[0] Disable Disables the IGMP snooping function.
[1] Enable Enables the IGMP snooping function.
*

12-93 Cable Error Length

Option:
3-108
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Function:
transparent socket channel. This enables FC
messages to be sent transparently on Ethernet
via TCP. Default value is 4000, 0 means disabled.
Function:
Enables/disables advanced cable diagnosis
function. If enabled, the distance to cable errors
can be read out in 12-93 Cable Error Length. The
parameter resumes to the default setting of
Disable after the diagnostics have finished.
Function:
Disables the auto cross-over function.
Enables the auto cross-over function.
Function:
This prevents flooding of the Ethernet protocol
stack by only forwarding multicast packets to ports
that are a member of the multicast group
Function:
If Cable Diagnostics is enabled in 12-90, the
built-in switch is able via Time Domain
Reflectometry (TDR). This is a measurement
technique which detects common cabling
problems such as open circuits, short
circuits and impedance mismatches or
breaks in transmission cables. The distance
from the option to the error is displayed in
meters [feet] with an accuracy of +/- 2 m
[6.5 ft]. The value 0 means no errors
detected.
MG33MD22 - VLT
FC 300 Programming Guide
12-93 Cable Error Length
Option:
[0] Error length
Port 1 (0–656 ft
[0–200 m])
[1] Error length
Port 2 (0–656 ft
[0–200 m])

12-94 Broadcast Storm Protection

Option:
[0] Protection
Value Port 1
(*Off – 20%)
[1] Protection
Value Port 2
(*Off – 20%)

12-95 Broadcast Storm Filter

Option:
[0] Broadcast only
[1] Broadcast &
Multicast
12-96 Port Config
Enables/disables port mirroring function. For troubleshooting
with a network analyzer tool.
Option:
[0]
*
[1]
®
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Function:
Function:
The built-in switch is capable of protecting
the switch system from receiving too many
broadcast packages, which can use up
network resources. The value indicates a
percentage of the total bandwidth that is
allowed for broadcast messages.
Example:
The "OFF" means that the filter is disabled,
and all broadcast messages will be passed
through. The value "0%" means that no
broadcast messages will be passed through.
A value of "10%" means that 10% of the
total bandwidth is allowed for broadcast
messages. If the amount of broadcast
messages increases above the 10%
threshold, they will be blocked.
Function:
Applies to 12-94 Broadcast Storm
Protection; if Broadcast Storm
Protection should also include
Multicast messages.
Function:
Normal No port mirroring
Mirror Port 1 to 2 All network traffic on port 1 will
be mirrored to port 2.