MoTeC SDC3 - Manual (Page 5)

MoTeC SDC3 3 Functionality
Lock Calculation
Lock percentage applied to the centre diff is determined primarily by the vehicle speed, throttle position or
manifold pressure, and front to rear wheel slip.
Each the four user modes are configured with an acceleration table, a braking table, a desired slip table and slip
control parameters. Slip control and ABS override may be disabled if not required.
The lock percentage for a user mode is determined according to the following strategy:
Brake
ON
OFF
Desired
Slip table
(kph)
Handbrake
ON
OFF
0%
Lock
% lock
Vehicle
Speed
Throttle
Position or
Manifold
Pressure
ABS
ON
OFF
5%
Lock
Front & Rear
Speed
Slip
control
params
Slip
Calculation
(% lock)
+ MIN
100%
Lock
Accel
table
(% lock)
Brake
table
(% lock)
The lock percentage for the full lock mode is determined according to the following strategy:
Handbrake
ON
OFF
0%
Lock
% lock
ABS
ON
OFF
5%
Lock
100%
Lock
The lock percentage for the zero lock mode is determined according to the following strategy:
% lock
ABS
ON
OFF
5%
Lock
0%
Lock
For information on configuring the user modes see the SDC Manager section.