Functions and requirements
1.6 PG routing
Configuration - DNP3
Configuration Manual, 11/2018, C79000-G8976-C508-01
23
● Online connections of the engineering station (STEP 7): Max. 2
● TCP connections for HTTP
For HTTP access upp to 12 TCP connection resources are available that are used by one
or more Web browsers to display data of the CP.
● PG/OP connections (HMI): In total maximum of 16,
of which:
– Connection resources for PG connections: Max. 16
– Connection resources for OP connections: Max. 16
●
Connections to up to four single or redundant masters can be established.
●
E-mail (via message editor)
Up to 10 e-mails to be sent can be configured.
Maximum number of characters that can be transferred per e-mail: 256 ASCII characters
including any value sent at the same time
●
Frame memory (send buffer)
The CP has a frame memory (send buffer) for the values of data points configured as an
event.
The volume of the send buffer is divided equally among all configured communications
partners. The size of the send buffer can be configured in STEP 7, refer to the section
Communication with the CPU (Page 62).
The maximum size of the send buffer is:
100000 events
You will find details of how the send buffer works such as storing events as well as the
options for transferring the data in the section Process image, type of transmission, event
classes (Page 113).
●
The maximum number of configurable data points is 500.
PG routing
PG routing between telecontrol modules
PG routing is supported between the modules listed in the table and via the specified media.
A requirement is that the options "S7 communication" and "Online functions" are enabled in
the "Communication types" parameter group.
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