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DDEC VI ELECTRONIC CONTROLS APPLICATION AND INSTALLATION
4.1.21
RPM FREEZE
The RPM Freeze input (when grounded) allows the operator to request that PTO maintain the
current engine speed. Locking on to a
fi
xed engine speed is desirable in applications where the
input is subjected to electrical noise which in turn causes the engine speed to
fl
uctuate. The
RPM Freeze Switch is normally open.
Installation
This input is wired to pin 4/18 on the CPC.
Programming Requirements & Flexibility
The options for this digital input are listed in Table 4-19.
Parameter Group
Parameter
Options
Default
Access
13
4 18 DI Selection
0 – Disable
1 — Enable Engine Door Bus*
2 — Enable Engine Hood
3 — AGS2 PTO Feedback
4 – RPM Freeze
5 — Engine Brake Disable
6 — Fast Engine Heat Up Switch
0 – Disable
VEPS, DRS
* Not supported in NAFTA
Table 4-19
RPM Freeze Programming Options
All information subject to change without notice.
(Rev. 01/07)
4-21
7SA827 0701
Copyright © 2007 DETROIT DIESEL CORPORATION