Functions
4.3 Cyclic and acyclic data exchange
SIMATIC PN/J1939 LINK
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Operating Instructions, 12/2018, A5E45307564-AA
4.3
Cyclic and acyclic data exchange
Communication paths
The following figure shows the relationships in the communication between S7 controller,
PN/J1939 LINK and J1939 bus.
Figure 4-3
Communication paths between S7 controller, PN/J1939 LINK and J1939 bus
Cyclic data exchange: Parameter groups (PGN)
The PGN configured via the GSDML file are transmitted cyclically as PROFINET data
between the S7 controller and PN/J1939 LINK. These modules with cyclic data transmission
are referred to as PGN modules in the configuration. For information on the possible data
length, see section Features (Page 12).
You can find information on configuring the PGN modules in the TIA Portal in the section
Содержание SIMATIC PN/J1939 LINK
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