User Manual

STN1100
8 of 23 www.obdsol.com STN1100FRPMA
5.1 Supported ELM327 Programmable Parameters
Programmable parameters are configuration
values stored in non-volatile memory. Please refer to
the “Programmable Parameters” section of the
ELM327 datasheet for a full description of this
functionality.
All programmable parameters can be turned off
and reset to their default values by holding RESET ¯¯¯¯¯¯
input low for 5 seconds, until PC Rx LED starts
flashing rapidly. After RESET ¯¯¯¯¯¯ input is released,
device will set all factory defaults, and then perform
ATZ reset.
Programmable Parameters
PP Description Values Default Type
00 Perform ATMA after power up or reset 00 = ON
FF = OFF
FF
(OFF)
R
01 Printing of header bytes (ATH default setting) 00 = ON
FF = OFF
FF
(OFF)
D
02 Allow long messages (ATAL default setting) 00 = ON
FF = OFF
FF
(OFF)
D
03 NO DATA timeout time (ATST default setting)
setting = value x 4.096 ms
00 to FF 32
(205 ms)
D
04 Default adaptive timing mode (ATAT setting) 00 to 02 01 D
06 OBD source (tester) address. 00 to FF F1 R
07 Last protocol to try during automatic searches 01 to 0C 09 I
09 Character echo (ATE default setting) 00 = ON
FF = OFF
00
(ON)
R
0A Line feed character 00 to FF 0A R
0C Default UART baud rate divisor
setting = 4000000 / value
02, 04,
06 to FF
68
(38.4 kbps)
P
0D Carriage return character 00 to FF 0D R
10 J1850 voltage settling time
setting = value x 4.096 ms
00 to FF 0D
(53 ms)
I
13 Auto search time delay between protocols 1 & 2
setting = value x 4.096 ms
00 to FF F4
(999 ms)
I
16 Default ISO baud rate (ATIB default setting) 00 = 96
FF = 10
FF
(10.4 kbps)
R
17 ISO wakeup message rate (ATSW default setting)
setting = value x 20.48 ms
00 to FF 92
(2.99 sec)
D
18 Auto search time delay between protocols 4 & 5
setting = value x 4.096 ms
00 to FF 00
(no delay)
I
24 CAN auto formatting (ATCAF default setting) 00 = ON
FF = OFF
00
(ON)
D
25 CAN auto flow control (ATCFC default setting) 00 = ON
FF = OFF
00
(ON)
D
26 CAN filler byte (used to pad out messages) 00 to FF 00 D
29 Printing of CAN data length (DLC) when printing header bytes
(ATD0/1 default setting)
00 = ON
FF = OFF
FF
(OFF)
D