Raptor:DM20: Difference between revisions
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Latest revision as of 18:43, 12 September 2023
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Description
This block implements PGN 49664 Monitor Performance Ratio (DM20).
Inputs
| Input | Type | Description |
|---|---|---|
| ignition count | uint16 | The ignition cycle counter is defined as a single counter that defines the number of ignition cycles. Requirements for incrementing the denominator are specified in the appropriate legislative documents. |
| obd encounters | uint16 | OBD Monitoring Conditions Encountered Counts displays the number of times that the vehicle has been operated in the specified OBD monitoring conditions (e.g. CARB defines this as the general denominator). |
| SPNs[] | uint32[] | SPN of the system monitor for which Monitor ratio is being reported. |
| numerators[] | uint16[] | The number of times a vehicle has been operated such that all conditions necessary for the Applicable System Monitor to detect a malfunction have been encountered (e.g. CARB numerator requirements). |
| denominators[] | uint16[] | The number of times a vehicle has been operated that constitutes a driving cycle where this Applicable System Monitor could be operated per regulatory requirements (e.g. CARB denominator requirements). |
Parameters
| Parameter | Type | Description |
|---|---|---|
| J1939 Bus Name | String | This is the name of the J1939 bus. |