Avalue Technology VMS-BYT Quick Reference Manual page 92

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VMS-BYT
 1939 Packaged Messages Protocol
ATSP: send packaged messages by turns.
Response HEX CODE (default) after ATPH command
Packing 1(#00~#17)
Byte 0:" @" ,( 0x40)
Byte 1:"1", (0x31)
Byte 2: #00
Byte 3: #01......
Byte 19:#17
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A
Packing 4 (#54~71)
Byte 0:"@" ,( 0x40)
Byte 1: "a",(0x61)
Byte 2: #54
Byte 3: #55......
Byte 19:#71
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A
NOTE :
1.) After ATPA command, AT#00 ~ AT#105 respond ASCII CODE
2.) Packing 6, Byte18~Byte19 not defined (set to ‖0‖)

3.) This is the common J1939 measurement overview showing which
92 VMS-BYT Quick Reference Guide
format data. Byte 21 & 22 were ignored.

measurements are available. Note that not all measurements are
supported by the individual engines.
Packing 2 (#18~35)
Byte 0:" @" ,( 0x40)
Byte 1: "2",(0x32)
Byte 2: #18
Byte 3: #19......
Byte 19:#35
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A
Packing 5 (#72~89)
Byte 0:"@" ,( 0x40)
Byte 1: "b",(0x62)
Byte 2: #72
Byte 3: #73......
Byte 19:#89
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A
Packing 3 (#36~53)
Byte 0:" @" ,( 0x40)
Byte 1: "3",(0x33)
Byte 2: #36
Byte 3: #37......
Byte 19:#53
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A
Packing 6 (#90~105)
Byte 0: "@" ,( 0x40)
Byte 1: "c",(0x63)
Byte 2: #90
Byte 3: #91......
Byte 17:#105
Byte 19:0
Byte 20:
Check sum = Byte2
+ ..+Byte 19
Byte 21: 0x0D
Byte 22: 0x0A

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