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Jetter AG
7 SAE J1939 STX API
Content of a J1939 message
The following diagram shows the structure of a J1939 message:
Abbreviation
Description
DA
Destination Address
GE
Group Extensions
PDU
Protocol Data Unit
PGN
Parameter Group Number
SA
Source Address
The PGN is a number defined in the SAE J1939 standard that groups together
several SPNs into a meaningful group. The PGN is part of the CAN identifier.
The 8-byte data (PDU) contain the values of individual SPNs.
The example below shows a PGN 65262 (0xFEEE):
PGN 65262 Engine Temperature 1
- ET1
Part of the PGN
Value
Comment
Transmission Repetition Rate
1 s
Data Length
8
Extended Data Page
0
Data Page
0
PDU Format
254
PDU Specific
238
PGN Supporting Information
Default Priority
6
Parameter Group Number
65262
in hex: 0xFEEE
Content of a J1939
Message
Meaning of the
Parameter Group
Number (PGN)
Содержание JVM-407B-HMI
Страница 1: ...User Manual JVM 407B HMI 60879892 We automate your success...
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Страница 26: ...26 Jetter AG 2 Product description and design Rear view...
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Страница 98: ...98 Jetter AG 5 Initial commissioning Initial commissioning in JetViewSoft see page 86 Related topics...
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Страница 196: ...196 Jetter AG 10 Programming If Merker1 Then Inc Status_LEDs Delay T 100ms End_If End_Loop End_Task...
Страница 220: ...220 Jetter AG 10 Programming Topic Page Programming 221 Registers 233 Sample programs 238 Contents...
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Страница 294: ...294 Jetter AG Appendix Rear view...
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