Functions
4.2 PGN parameters
SIMATIC PN/J1939 LINK
20
Operating Instructions, 12/2018, A5E45307564-AA
Parameter name Module name
Value range
Description
Priority
PGN output n bytes
PGN output proxy
Priority 0 … 7
Message priority
Highest priority: 0
Transmit event
Cyclic
PGN is sent with the time interval set in
the "Transmission cycle" parameter. In
"Cyclic" mode, standard messages and
the Broadcast Announce Message
(BAM) can be sent.
Change of
value
PGN is sent when the data value
changes. All transport protocols are
permitted.
Remote re-
quest
PGN is sent when a request is made
from another device in the J1939 net-
work. The request has PGN 59904.
Standard messages and CMDT are
allowed.
Transport proto-
col
Standard mes-
sage
PGN message with up to 8 bytes data
length
Broadcast
Announce
Message
Fragmented transmission of data with
more than 8 bytes without flow control.
Connection
Mode Data
Transfer
Fragmented transmission of data with
more than 8 bytes with flow control.
Transmission
cycle in ms
10 to 5000
Transmission cycle is only valid if "cy-
clic" is configured as send event.
Reception cycle
in ms
PGN input n bytes
PGN input proxy
0 to 5000
If a PGN is not received in time, a diag-
nostics alarm is sent to the S7 controller.
The value 0 means that the functionality
is disabled.
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