NETLink
®
Switch
43
After the new parameterization data have been stored, the NET-
Link
®
Switch is restarted to activate the new configuration.
Parameters of the TCP access list:
TCP access list
ON/OFF
Switch ON/OFF the functionality of the TCP ac-
cess list.
TCP/IP address
1 and 2
First and second IP addresses that are allowed to
access the NETLink
®
Switch.
TCP/IP address
3 and 4
Third and fourth IP addresses that are allowed to
access the NETLink
®
Switch.
TCP/IP address
5 and 6
Fifth and sixth IP addresses that are allowed to
access the NETLink
®
Switch.
TCP/IP address
7 and 8
Seventh and eighth IP addresses that are allowed
to access the NETLink
®
Switch.
TCP/IP address
9 and 10
Ninth and tenth IP addresses that are allowed to
access the NETLink
®
Switch.
TCP/IP address
11 and 12
Eleventh and twelfth IP that are allowed to access
the NETLink
®
Switch.
SPS write Protection
PLC write-protection ON or OFF
NETLink
®
Switch can be started both locally and remotely via the
security interface. This is done by clicking the ‘
Device Reboot
’ but-
ton.
7.5
Observing variables
In addition to the “
Observing Variables
” function in the Simatic
engineering tools, NETLink
®
Switch also provides this function via
the web interface.
Setting parameters of the observe variables function:
MPI address
An active MPI/PB address is selected using the
dropdown menu.
Number of Variables
The number of variables to be observed can be
selected from 1 to 10 for a clearer view.
No.
Consecutive numbering.
Address Area
The following viewable items are supported: OB,
OW, OD, IB, IW, ID, MB, MW, MD, DBB, DBW,
DBD, counter, and timer.
Address Index*
Address of the bytes to be displayed. * On the
case of data blocks with the form
“Datablock.Offset”
Result Value
If one of the buttons is pressed, the output value
will be displayed here
Display Format
Display formats: decimal, hexadecimal, or binary
Description
Freely selectable description (max. 32 chars)
i
Rebooting can take up to
15 seconds.