TIM DNP3
System Manual, 12/2015, C79000-G8976-C253-04
333
What is PG Routing?
B.1.1
In the SIMATIC world, the term routing is defined as follows:
Routing is finding the path for information beyond network boundaries.
In the SIMATIC world at the present time, it is not possible to configure a connection over
which data can be transmitted between the two endpoints involved if this connection goes
beyond the boundaries of a network.
What is possible, however, is PG routing. Using the PG routing, it is possible to access a
programmable module or a module with diagnostic capability beyond network boundaries
from a programming device (PG) or computer (PC).
SIMATIC PG routing and SINAUT PG routing
PG routing allows any type of diagnostics with diagnostics-compliant modules. Test,
commissioning, and service functions can be executed, such as opening blocks online,
monitoring, editing and overwriting or changing the operating mode mode of modules.
●
SIMATIC PG routing is possible only over network types such as MPI, PROFIBUS, and
Ethernet. SIMATIC PG routing was released with STEP 7 V5.0.
●
Expanding SIMATIC PG routing, SINAUT PG routing also works over SINAUT networks;
in other words, in WANs.
In terms of functionality, SIMATIC PG routing and SINAUT PG routing are largely identical
with the only difference being that SINAUT PG routing also functions beyond the boundaries
of SINAUT networks. This gives the user a convenient option of remote programming and
remote diagnostics over the company telecontrol network.
Note
In the remainder of this section, the terms "PG routing" and "remote" are used with the
followi
ng meanings:
PG Routing
PG routing is PG routing over network types such as MPI, PROFIBUS, and Ethernet as
well as SINAUT networks. In SINAUT DNP3 only Ethernet is supported.
Remote
A remote CPU or remote TIM is a module that can be accessed from a PG over SINAUT
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