User manual

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1874 (0x752) (Tx base ID + 2)
These are the detection messages with flag information, which contains one
detection presented in the following format:
 Data bytes 0 and 1 contain the distance in units defined by the distance-units
holding data.
 Data bytes 2 and 3 contain the amplitude. This value must be divided by 64 to
get the amplitude (that is, 6 bits for fractional part).
 Data bytes 4 and 5 contain the flag information as described in the table below.
 Bytes 6 and 7 contain the segment number.
Table 64: Flag information about measurements
Data
Description
Bit 0
The detection is valid (always set).
Bit 1
The detection is the result of object demerging.
Bit 2
Reserved
Bit 3
The detection is saturated.
Bits 4 through 15
Reserved
Detection messages can be sent in two modes: as a single-message ID or a
multiple-message ID.
For the single-message ID mode, all detection messages are sequentially sent on
the same message ID; that is, 1874 (0x752).
For the multiple-message ID mode, detections are send on a message IDs ranging
from 1874 through the number of detections (1874 + number of detections). The
range of message IDs can be limited by the maximum number of detections to
output to the CAN port (defined in CAN configuration 3 holding data for a maximum
configurable of 96 detections).
The following are examples of message IDs for the 1874 base (with a 19-detection
frame):
 From 1874 through 1893.
 From 1874 through 1890, for a module setup with a maximum of 16 number of
detections.