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B&B Electronics LDVDSV2-S-P9D - Manual User Manual

Page 35

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OBDII Streamer Command & Response

V2.11

Page 35/49

0x33 – READ_PARAMETER_UPDATE_MODES

Description:
This command will return the update mode settings for the specified parameter.

Command to Send:
0x01 0x01 0x33 0x01 PID CS

Response:
0x01 0x01 0xB3 0x06 PID TIME THRESHOLD TSETTINGS CS

Field Description:
PID

This field is a 1 byte PID.


TIME

This field is two bytes and is reports the period set for the selected
parameter.

Period = TIME * .05 seconds.


THRESHOLD

This field is two bytes and reports the threshold set for the selected
parameter.


TSETTINGS

Threshold Settings

Bit 0 – Time updates Enabled

0x00 = Disabled

0x01 = Enabled


Bit 1 – Threshold updates Enabled

0x00 = Disabled

0x01 = Enabled

Bit 2 – Obsolete, always returned as 0x01

Bit 3 – This bit specifies if a message will be sent when the

parameter data is above the threshold value or below.

0 = Send a message when the parameter > TVALUE

1 = Send a message when the parameter < TVALUE


CS

Summation checksum


Example:
This command requests the settings for the vehicle speed parameter.