ADJUSTMENT AND TESTS [AT DOCK]
Page 38
7.6 ELECTRIC THROTTLE SIGNAL
ADJUSTMENTS MAY NOT BE REQUIRED. Verify the existing
Throttle Minimum and Maximum values prior to adjusting them.
The following are examples of the idle and full throttle requirements
of some of the Electronic Governors. Always
refer to the engine man-
ual for specific information:
Vo l t a g e
Cummins (Centry)0.90- 4.50 VDC
Cummins (QSM-11)0.90- 4.10 VDC
Scania 0.30- 2.90 VDC
Volvo 0.20- 3.50 VDC
Current
MAN & MTU 4.00- 20.00 mA
PWM
Caterpillar 10- 90% Duty Cycle @ 500 Hz
7.6.1 Throttle Minimum Signal (Engines Stopped)
Change the throttle minimum signal by:
A) Take command at a Station.
B) Leave the Control Head lever in the vertical position.
C) Ensure that Potentiometer R7 is in the fully counter clockwise
position.
• Refer to Figure 13:, page 25, or the Drawing in Appendix C for
R7 location
D) Enable Set-up Mode by following Section 6.1.5, page 23.
E) Press the transfer button at the remote station being used during set-
up.
• Verify a tone is heard
when depressing the station transfer button.
NOTE: Jumper 6 on the Processor Auxiliary Board must be set to either PWM output or Voltage/
Current output. Refer to the Processor Supplement Appendix A Drawing.
NOTE: Prior to adjustments, the correct Engine Signal Selection should be made as shown in the
Set-up Procedures Section 6.8.