Siemens SINUMERIK 840DE sl Commissioning Manual page 469

Figure 18-2
With the previously mentioned settings and the default values, in this configuration, remote
diagnostics via TS Adapter is possible without any additional changes having to be made.
When operating a SINUMERIK Operate on a PCU, the SINUMERIK Operate in the NCU must
be switched off.
Figure 18-3 System with several NCUs and a fixed modem
The "Access MyMachine /P2P" option only has to be set for the NCU to which the TS Adapter
is connected at the X127 interface. Modem access can only be permitted by making the
appropriate entries at the SINUMERIK Operate in this NCU and the "Request remote control"
function executed. If modem access is permitted, then the service PC implicitly has access to
all other NCUs and their operating software. On the other hand, the operating screens to control
SINUMERIK Operate (IM9)
Commissioning Manual, 12/2017, 6FC5397-1DP40-6BA1
Basic system with SINUMERIK Operate on PCU
Service and diagnostics
18.11 Remote diagnostics
455