User Guide

HDV100A3 Command & Response Manual-1306cr 15
B&B Electronics -- 707 Dayton Rd. -- PO Box 1040 -- Ottawa, IL 61350
PH [phone] -- FAX [phone]
After sending a transmit message to the HDV100A3 you will get
the confirmation message if the checksum is correct. A transmit complete
message is sent to the PC after the device successfully transmits the message
to the J1708 bus. A second message should not be sent to the device before
confirming that the first message has been sent. The transmit confirmation is
formatted as follows:
Byte
Number
Byte Value
(hex)
Byte Function
1 01 Start of frame
2 01 Number of control bytes
3 09 ID bytes 9 = transmit OK
8 00 Number of data bytes
9 0B Checksum