SINUMERIK operating mode
6.2 Networking
ITC V3, ITC V3 PRO
136 Operating Instructions, 03/2024, A5E42761061-AF
You can also set the desired screen resolution in the tcu.ini file:
[VNCServer]
Resolution = ...
6.2.2.3 Displacement mechanism for ITCs
In order to be able to operate a machine with more than the maximum number of operator
panels, the displacement mechanism ensures that only the permitted number of ITCs is
active in a shadowing group. The remaining ITCs are switched to passive mode, which means
they are no longer a load on resources. As a result, the number of ITCs that can be connected
to one HMI application is practically no longer limited. All that is limited is the number of ITCs
that can be active at any one time.
Supplementary conditions
The following supplementary conditions apply when operating ITCs:
2 active ITCs in parallel on NCU 710.3 PN
4 active ITCs in parallel on NCU 720.3 PN, NCU 730.3 PN
4 active ITCs in parallel on IPC
Displacement rules
You configure the displacement mechanism in SINUMERIK Operate in the "Setup" operating
area > menu forward key > "OPs" softkey for the respective operator panel.
An ITC can be in the following states:
• The ITC is active and has user authorization: This is recognizable by the fact that the ITC
displays the screen of the operating software and the screen is bright.
• The ITC is active, is in monitoring mode and has no user authorization: This can be
recognized by the fact that the ITC shows the screen of the operating software, however
darker than that displayed on the ITC with user authorization.
• The ITC is passive: The ITC shows the selection menu of the possible connections instead
of a screen of the operating software, and the softkey for selection of the last active
connection of the ITC is shown in color.
When powering up, of ITC always attempts to establish the first connection. The ITCs from a
shadowing group establish their specified connection one after the other as long as the
maximum number of permissible active operator units is not exceeded.
If an ITC encounters the situation that this number is already reached in its power up, it
attempts to obtain a connection via the displacement mechanism. If it can displace a formerly
active operator unit, it takes on the active status itself; otherwise it transitions to passive
status immediately after booting.
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