B&B Electronics LDVDSV2-S-P9D - Manual - Manual (Page 31)

OBDII Streamer Command & Response
V2.11
Page 31/49
0x30 – SET_TIME_UPDATES
Description:
This command will setup the periodic update settings for a single parameter.
Note that when a timed update message is sent to the host the message will be packaged
in the same format as command 0x22 but with a new control byte. Time based update
messages will use control byte 0xC0.
The SET_UPDATE_MODE command must be sent to enable all parameters configured
for time based updates to be sent.
Command to Send:
0x01 0x01 0x30 0x04 PID SETTINGS TVALUE CS
Response:
0x01 0x01 0xB0 0x04 PID SETTINGS TVALUE CS
Field Description:
PID
This field is a 1 byte PID. Use this field to select the PID that will
be configured.
SETTINGS
Settings
Bit 0 - This bit will enable or disable periodic updates for the
selected parameter.
0x00 = Disabled
0x01 = Enabled
If disabling a parameter the TVALUE byte must be sent, but can
be set to any value since it will be ignored.
TVALUE
Time Value
This field is two bytes long and will configure the period between
updates. The resolution of the timer is 50mS.
Timeout Range = 50mS to 54.6 minutes
Period = 50mS * TVALUE
Note that if TVALUE of 0 is set the parameter will update once
every 50mS.
CS
Summation checksum