ZF Marine ClearCommand 9000 Series, Инструкция по установке, эксплуатации и устранению неисправностей, Страница: 253 / 272

Page D-3
FIGURE D-5: THROTTLE CONNECTION (CURRENT MA)
H) Depress and hold the “mA.” Push-button. The
appropriate Full Throttle Current (mA.) for the
application should be measured at this time.
PWM (Pulse Width Modulation) with DC
Voltmeter
A) Ensure power is removed from both the Engine
Electronics and the Processor.
B) Disconnect the Throttle Harness from the number
1 Processor connector/pigtail.
C) Insert the Break-out Box between the number 1
Processor connector/pigtail and the Throttle
Harness as shown in Figure D-6 labeled “-” and
the red lead into the socket labeled “PWM”.
FIGURE D-6: THROTTLE CONNECTION (PWM WITH DC
VOLTMETER)
D) Turn power ‘On’ to the Caterpillar ECM
(Electronic Control Module) Only. Do Not apply
power to the Processor at this time.
E) Depending on the type of Caterpillar ECM (PEEC
or ADEMS), the measurement should be
approximately 5.00 or 12.00 VDC. Record the
measurement as shown in Drawing Figure D-6.
F) Set up the Multimeter to DC Volts and plug the
black lead into the Break-out Box black socket
Turn power ‘On’ to the Processor and take
command at any Remote Station.
G) Record the DC Voltage at this time. The
measurement should be 7- 9% of the voltage
measured in step F).
H) Move the Control Head lever to the Full Throttle
position while depressing the Transfer Button
(Throttle Only Mode).
I) The measurement should be 91- 93% of the
voltage measured in step F) [e.g. Idle = 8% of 12
VDC reference or 0.96 VDC; Full Throttle = 92%
of 12 VDC reference or 11.04 VDC.
PWM (Pulse Width Modulation) with
Duty Cycle Meter
A) Ensure power is removed from both the Engine
electronics and the Processor.
B) Disconnect the Throttle Harness from the number
1 Processor connector/pigtail.
C) Insert the Break-out Box between the number 1
Processor connector/pigtail and the Throttle
Harness as shown in Figure D-7.
FIGURE D-7: THROTTLE CONNECTION (PWM WITH DUTY
CYCLE METER)
D) Set up the Multimeter to measure Duty Cycle and
plug the black lead into the Break-out Box black
socket labeled “-” and the red lead into the socket
labeled “PWM”.
E) Turn power ‘On’ to the Caterpillar ECM
(Electronic Control Module) and to the Processor.
F) The measurement should be approximately 8%
duty Cycle.
G) Move the Control Head lever to the Full Throttle
position while depressing the Transfer Button
(Throttle Only Mode).
H) The measurement will increase from 8% to 91-
93%.
Frequency (Hz.)
A) Ensure power is removed from both the Engine
Electronics and the Processor.
B) Disconnect the Throttle Harness from the number
1 Processor connector/pigtail.
C) Insert the Break-out Box between the number 1
Processor connector/pigtail and the Throttle
Harness as shown in Figure D-8.
D) Set up the Multimeter to measure Frequency and
plug the black lead into the Break-out Box black
socket labeled “-” and the red lead into the socket
labeled “FREQ”.