MoTeC Knock OKM - Manual (Page 10)

10 Configuration
Configuring the channel Knock Voltage
y On the
Adjust
menu click Sensor Setup
y Click
Input Setup…
this will open the Input Pins Setup screen
y Click the
Other
tab
y Select
Knock Voltage (Knock V)
y Click
Change
y In the
Input Source
list click AV[#] or Lambda[#] (Select the
input the SKM//OKM is wired to)
y In the
Calibration
area select Predefined and in the list click
#31 Volts(V); x1 (5.000V=5.000V)
Knock Gain Table
y On the
Adjust
menu click Functions
y Click
Knock Control
y Click
Gain
This table compensates any sensitivity differences of the sensor to
particular cylinders.
The Knock Gain table should be used in conjunction with the Knock
Offset table to level out any differences between the individual
cylinders.
Typical starting value: 1.00
Note:
The values in this table must be non-zero to show any Knock
Percentage values.
Data Logging Setup
Each cylinder's knock input should be logged at 50 Hz or greater.
• On
the
Adjust
menu click Data Logging Setup
• Click
Knock Levels
• Select
Knock Limit
and type 10
• Select Knock 1 and type 50 (or greater)
• Continue the last step for all remaining cylinders in firing order
Follow the same procedure to log other useful channels.
Recommended channels are:
y
Knock Retard Short Term for each cylinder
y Knock Retard Long Term for each cylinder
y Individual Ignition Advance channels - to evaluate the
performance of the control system during calibration tuning.