User manual

CANbus Trigger, Decode, and Measure
66
CANbus-TD-TDM-OM-E RevB
Data condition.
The ID condition can be set to <=, <, =, >, >=, not =, in a range,
out of a range, or don’t care.
ID Bits -- The trigger can be set to trigger on CAN messages with
either 11-bits (Standard CAN) or 29-bits (Extended CAN). You
can also set the Trigger Module to trigger on a message that
meets a condition for either the 11-bit or 29-bit ID. For
instance, there might be an 11-bit ID value that is present in
both an 11-bit and a 29-bit ID, and by choosing ALL, you could
trigger when that ID is present on either of those messages.
ID Value -- The ID value is set in Hexadecimal format. If you
wish, you can precede the ID value with a “0x”, but this is not
necessary. Make sure to enter an ID value that matches the
number of bits selected in ID Bits (i.e. enter an 11-bit ID here if
you are setting up to trigger on an 11-bit ID). If you have set
the ID Condition to INRANGE or OUTRANGE, then you will enter
two ID values.
Data Condition -- The Data Condition can be set to many
different values. The Data condition can be set to <=, <, =, >,
>=, not =, in a range, out of a range, or don’t care.
In addition, you can select a “Binary” condition which will allow
you to set up the rest of the data values in a Binary field. If you
select a Binary data condition, an additional tab will appear
next to the CAN Trigger tab, which will allow you to set up the
data field bit-by-bit. This will be covered in more detail later in
this chapter.
DLC Value -- The DLC (data length code) can be set to any
integer value from 0 to 8. It should match the DLC of the CAN
message you want to trigger on. If you set it to a value less
than 0, it will default to 0. If you set it to a value greater than 8,
it will default to 8.