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4 Start-up
X-SB 01
Page 24 of 38
HI 801 007 E Rev. 4.00
4.3
Configuring the Module in SILworX
The module is configured in the Hardware Editor of the SILworX programming tool.
The following tables present the statuses and parameters for the module in the same order
given in the SILworX Hardware Editor.
4.3.1 Tab:
Module
The
Module
tab contains the statuses and parameters for the module.
System parameter
Description
Name Module
name
IP Address
IP address of the Ethernet interface.
Subnet Mask
Subnet mask of the Ethernet interface
Speed Mode
Transfer rate:
10
Mbit/s
100
Mbit/s
Autoneg
HIMA recommends to maintain the
Autoneg
default setting.
Flow Control Mode
Operational mode of the flow control:
Half
Duplex
Full
Duplex
Autoneg
HIMA recommends to maintain the
Autoneg
default setting.
Standard Interface
Activated: the interface is used as standard interface for the system
login.
Deactivated: the interface is not used as standard interface for the
system login.
Default setting: Deactivated
Default Gateway
IP address of the default gateway.
ARP Aging Time [s]
A system bus module stores the MAC addresses of the
communication partners in a MAC/IP address assignment table
(ARP cache).
If in a period of 1x....2x
ARP Aging Time
...
... messages of the communication are received, the MAC
address remains stored in the ARP cache.
... no messages of the communication partner are received, the
MAC address is erased from the ARP cache.
The typical value for the
ARP Aging Time
in a local network ranges
from 5...300 s.
The user cannot read the contents of the ARP cache.
Range of values: 1...3600 s
Default value: 60 s
Note:
If routers or gateways are used, the user must adjust (increase) the
ARP Aging Time
due to the additional time required for two-way
transmission.
If the
ARP Aging Time
is too low, the MAC address of the
communication partner is erased from the ARP cache, the
communication is delayed or interrupted
.
For an efficient
performance, the ARP aging time value must be less than the
receive timeout set for the protocols in use.
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