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8: J1939 C
OMMUNICATION
8-20 FC6A S
ERIES
M
ICRO
S
MART
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IN
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YPE
C
OMMUNICATION
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ANUAL
FC9Y-B1730
(4) Message parameter settings
These settings configure the details of the transmitted message selected in the message list.
CAN ID
Type
Sets the transmit method for the message. Select as "Event" or "Cycle".
Designated CA event transmission example
Designated CA cycle transmission example
Maximum data length
Sets the maximum data length of the PGN to transmit. The maximum value that can be set is 252 bytes.
Transmit cycle (ms)
Sets the transmit cycle in 10 ms increments when "Cycle transmission" is selected for Type . The range of the value that can be
set is 10 to 655,350.
PGN: Sets the PGN of the message to transmit. The range of the PGN that can be set is 0 to 61,184 (0000h to EF00h)
(PDU1 format). Set the low order 1 byte (PDU Specific) that indicates the destination address in PDU1 format to
00h.
Click
... and a PGN can be selected in the displayed PGN Manager. For details, see "PGN Manager" on page 8-29.
Priority: Sets the priority for the message to transmit between 0 and 7.
Event: When the transmit trigger is turned on, the transmit data stored in the data storage destination is
transmitted in END Processing.
Cycle: While the cycle transmission permitted flag is on and when the transmit cycle occurs, the transmit data
stored in the data storage destination is transmitted in END processing. The actual transmit cycle is
affected by the ladder program scan time.
M8301
J1939 online status
ON
OFF
Transmit trigger
Data storage destination DR
ON
OFF
Ladder program
END processing
ON
OFF
Transmit buffer
CAN
Message A
Message A
Message A
M8301
J1939 online status
ON
OFF
Cycle transmission
permitted flag
Data storage destination DR
ON
OFF
Ladder program
END processing
ON
OFF
Transmit buffer
CAN
Message A
Message A
Message A
Message A
Message B
Message B
Message A
Transmit cycle
Message B
Transmit cycle Transmit cycle