Detroit Diesel DDEC VI Application And Installation page 315

5.17.2 PROGRAMMING REQUIREMENTS AND FLEXIBILITY
A VSS or output shaft speed message over SAE J1939 is required (refer to section 3.6.6, "Vehicle
Speed Sensor"). VEPS or DRS can enable the parameters listed in Table 5-55.
Parameter
Parameter
Group
Torque Factor*
23 Gear Dwn
Protect
Gear Ratio Gear
23
Down Protect
Torque Factor*
23 High Gear
Power
Gear Ratio
23 for High Gear
Power
* % of maximum torque at the current engine speed
Table 5-55 Low Gear Torque Limiting Parameters
All information subject to change without notice. (Rev. 01/07)
7SA827 0701 Copyright © 2007 DETROIT DIESEL CORPORATION
DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
Description
Provides a limit on the available
torque if the ratio of vehicle speed to
engine speed is below a set point.
The gear ratio below which torque is
limited. (output shaft rpm/input shaft
rpm)
Provides a limit on the available
torque if the ratio of vehicle speed to
engine speed is below a set point.
The gear ratio below which torque is
limited. (output shaft rpm/input shaft
rpm)
Range Default Access
VEPS or
0.00 to 1.00 1.00
VEPS or
0.000 to 2.00 0.01
VEPS or
0.000 to 1.00 1.00
VEPS or
0.00 to 2.00 0.02
DRS
DRS
DRS
DRS
5-103