BK Precision 2560B Series, Руководство пользователя

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Serial Trigger and Decode
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Figure 10.57 SENT Message3
– Error : the oscilloscope triggers on the error frame. Errors include Successive Sync Pulses Error Pulse Period
Error, Fast Channel CRC Error, Slow Channel CRC Error, All CRC Errors.
– Successive Sync Pulses Error: triggers on a sync pulse whose width varies from the previous sync pulse’s width
by greater than 1/64 (1.5625%, as defined in the SENT specification).
– Pulse Period Error: triggers if a nibble is either too wide or too narrow (for example, data nibble < 12 (11.5)
or > 27 (27.5) ticks wide). Sync, S&C, data, or checksum pulse periods are checked.
– Fast Channel CRC Error triggers on any Fast Channel Message CRC error.
– Slow Channel CRC Error triggers on any Slow Channel Message CRC error.
– All CRC Errors triggers on any CRC error, Fast or Slow.
10.10.3 SENT Serial Decode
Once the setup for the SENT signal and trigger has been completed, the decoding operation must be setup.
1. Touch Decode key to display the Decode menu.
2. Use the touchscreen to enable the Bus Operation .
3. Touch Bus to select either Bus1 or Bus2 .
4. Touch Display to select the character encoding format of the decoding’s result.
– The bus’s vertical position can be adjusted using the Universal Knob after selecting Bus Position .
– Touch Format to set the format of the bus. (Default: Hexadecimal)