SENSOR-TYPES • FREQUENCY • PWM (DIGITAL) • ANALOG • ANALOG to DIGITAL
M A C H I N E E L E C T R O N I C S
P a g e : 1 6
SENSOR-TYPES • FREQUENCY • PWM (DIGITAL) • ANALOG • ANALOG to DIGITAL
M A C H I N E E L E C T R O N I C S
P a g e : 1 7
1
2
M A C H I N E E L E C T R O N I C S
P a g e : 1 7
1
2
M A C H I N E E L E C T R O N I C S
P a g e : 1 8
MAGNETIC FREQUENCY SENSOR
M A C H I N E E L E C T R O N I C S
P a g e : 1 8
MAGNETIC FREQUENCY SENSOR
M A C H I N E E L E C T R O N I C S
P a g e : 1 9
TRANSMISSION SPEED SMALL SIGNALS FROM SENSING ELEMENT
OUTPUT ROTATING GEAR
AMP
SENSING ELEMENT ('HALL CELL') HALL CELL IN SLIP HEAD
SMALL SQUARE WAVE
REMOVE DC VOLTAGE
AMP SMALL AC SQUARE WAVE
LARGE SQUARE WAVE
M A C H I N E E L E C T R O N I C S
P a g e : 1 9
TRANSMISSION SPEED SMALL SIGNALS FROM SENSING ELEMENT
OUTPUT ROTATING GEAR
AMP
SENSING ELEMENT ('HALL CELL') HALL CELL IN SLIP HEAD
SMALL SQUARE WAVE
REMOVE DC VOLTAGE
AMP SMALL AC SQUARE WAVE
LARGE SQUARE WAVE
M A C H I N E E L E C T R O N I C S
P a g e : 2 0
M A C H I N E E L E C T R O N I C S
P a g e : 2 0
M A C H I N E E L E C T R O N I C S
P a g e : 2 1
M A C H I N E E L E C T R O N I C S
P a g e : 2 1
M A C H I N E E L E C T R O N I C S
P a g e : 2 2
DIGITAL TEMPERATURE SENSOR
V+ VS +8
B+ GND Signal
M A C H I N E E L E C T R O N I C S
P a g e : 2 2
DIGITAL TEMPERATURE SENSOR
V+ VS +8
B+ GND Signal
M A C H I N E E L E C T R O N I C S
P a g e : 2 3
M A C H I N E E L E C T R O N I C S
P a g e : 2 3
M A C H I N E E L E C T R O N I C S
P a g e : 2 4
ANALOG TEMPERATURE SENSOR ENGINE CONTROL
THERMISTER
T AMPLIFIER
A C B
5V SIGNAL (0 - 5V) ANALOG RETURN
M A C H I N E E L E C T R O N I C S
P a g e : 2 4
ANALOG TEMPERATURE SENSOR ENGINE CONTROL
THERMISTER
T AMPLIFIER
A C B
5V SIGNAL (0 - 5V) ANALOG RETURN
M A C H I N E E L E C T R O N I C S
P a g e : 2 5
ANALOG SECTION
DIGITAL CONVERTER
PWM OUTPUT TO CONTROL
SIGNAL V+ GROUND
SCHEMATIC ENVELOPE
DISPLAY GRAPHICS
M A C H I N E E L E C T R O N I C S
P a g e : 2 5
ANALOG SECTION
PWM OUTPUT TO CONTROL
DIGITAL CONVERTER
SIGNAL V+ GROUND
SCHEMATIC ENVELOPE
DISPLAY GRAPHICS
M A C H I N E E L E C T R O N I C S
P a g e : 2 6
OUTPUT COMPONENTS • Main Display Module • Display Data Link • Alert Indicators • Action Lamp/Alarm
M A C H I N E E L E C T R O N I C S
P a g e : 2 6
OUTPUT COMPONENTS • Main Display Module • Display Data Link • Alert Indicators • Action Lamp/Alarm
M A C H I N E E L E C T R O N I C S
P a g e : 2 7
M A C H I N E E L E C T R O N I C S
P a g e : 2 7
M A C H I N E E L E C T R O N I C S
P a g e : 2 8
M A C H I N E E L E C T R O N I C S
P a g e : 2 8
M A C H I N E E L E C T R O N I C S
P a g e : 2 9
M A C H I N E E L E C T R O N I C S
P a g e : 2 9
M A C H I N E E L E C T R O N I C S
P a g e : 3 0
M A C H I N E E L E C T R O N I C S
P a g e : 3 0
M A C H I N E E L E C T R O N I C S
MACHINE ELECTRONICS
LAB EXERCISES SCHEMATICS QUIZ Directions: Using the truck electrical schematic given complete the following quiz. Fill in the blanks or mark the correct answer. 1 Locate the engine coolant sensor on the schematic. List the schematic grid location and the machine silouette.
2
___
grid location
___
machine location (silouette).
What is the part number of the engine coolant temperature sensor? _____________
3
What gauge wire s are attached to the sensor in question 2?
MACHINE ELECTRONICS
LAB EXERCISES SCHEMATICS QUIZ Directions: Using the truck electrical schematic given complete the following quiz. Fill in the blanks or mark the correct answer. 1 Locate the engine coolant sensor on the schematic. List the schematic grid location and the machine silouette.
2
___
grid location
___
machine location (silouette).
What is the part number of the engine coolant temperature sensor? _____________
3
What gauge wire s are attached to the sensor in question 2? a)
14
b)
16
c)
18
d)
20
4. Locate the start aid switch on the schematic. List the shematic grid location and the machine silouette.
5.
___
grid location
___
machine location (silouette).
How many wires are attached to the switch in question 8? a)
