Filtration - ZLG CANDTU-100UR User Manual

CANDTU-100UR
CAN Bus Message Recording and Wireless Data Transmission Equipment User Manual
not exist.
3) Relay actions

Closed: When an event is triggered, the relay closes.

Open: When an event is triggered, the relay is opened.
4.2.4 Filtering
Figure 4.12 shows CAN hardware filter configuration items. Each CAN channel has a
maximum of eight sets of filtering rules. The filtering rules of each CAN channel are
independent of each other and need to be configured separately.
1) Channel selection
Select an CAN channel for which filtering rules need to be set.
2) Acceptance code and mask code
Each set of filter items contains an acceptance code and a mask code. The
acceptance code and mask code are both a 32-bit value. Figure 4.13 shows the specific
format.

REM: 1 indicates remote frame reception, data frame rejection.

EXT: 1 indicates extended frame reception, standard frame rejection.

In a standard frame, only 11 bits (bit[29:19]) are used for the frame ID; in an
extended frame, all bits (except bit 0) are used.
Figure 4.12 Filter Settings tab
Figure 4.13 Filter table format
©2021 Guangzhou ZLG Electronics Technology Co.,Ltd.
16
User Manual