NEXCOM NViS 3620 - Manual (Page 92)

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Appendix F: OBDII Module Setup and Command
NViS3620/3720 series User Manual
AT Command Summary
@1 AT@1: Display version information
BRxy
Setting RS232 baud rate. xy is baud rate parameter.
ATBR09: 9600
ATBR19: 19200
ATBR38: 38400
ATBR57: 57600
ATBR99: 115200
Eh
ATE0: echo off(Default)
ATE1; echo on
T ATT: Terminate sending. To use ATS will continue it.
I
ATI : Request vehicle ID, the length is variable.
1.) J1708:
Output format: ASCII code
Byte 0:0x2A
Byte 1: Vehicle ID byte 1
Byte 2: Vehicle ID byte 2
Byte N:Vehicle ID byte N
Byte N+1: Check Sum=Byte 1+Byte2+…….+Byte N
Byte N+2:0x0D
Byte N+3:0x0A
N: Max 20
2.)J1939
Byte 0:0x2A
Byte 1: Vehicle ID byte 1
Byte 2: Vehicle ID byte 2
Byte N:Vehicle ID byte N
Byte N+1: Check Sun= Byte1+Byte2 +…..ByteN
Byte N+1:0x0D
Byte N+2:0x0A
N: Max 35
PA ATPA: Print data by ASCII CODE format
PH ATPH: Print data by HEX CODE format
RJ
ATRJ: Request J1939 FMS High Resolution Total Vehicle Distance
#33~#36
RH ATRH: Request Hino Truck Total vehicle distance (#33~#36)
S
ATS: Continue auto-send data every 100~200ms. To use ATT
will terminal it.
SS
ATSS: Auto- send Simple Data every 100~200 ms.
Refer to Simple Data format Protocol
SP
ATSP: Auto-send Packaging Messages every 100~200 ms.
Refer to Packaging Messages protocol.
SR
ATSR: Auto-send J1939/J1708 Raw Data, Refer to Raw Data
Protocol.
X
ATX: Request to send data of alternate, data format as
ATS/ATSP command.
For J1939 protocol:
Packing1→Packing2→Packing 3→Packing4→Packing5→
Packing6→Packing1
For J1708 protocol:
Packing1→Packing2→Packing 3→Packing4→Packing5→ Packing1
#xy
AT#xy: The command will print designated data by ASCII code.
“xy” is data address, it is decimal.
J1708: 00~53
J1939: 00~99.
EX: AT#01 , to get speed high byte.