Camiones
Páginas: 3 (635 palabras)
Publicado: 9 de marzo de 2012
Service Training MALAGA
MACHINE ELECTRONICS
ELECTRONIC CONTROL OSCILLATOR SENSOR SUPPLY
A C AMPLIFIER THERMISTOR B SIGNAL GROUND
DUTY CYCLE
Adolfo December 1997
MACHINE ELECTRONICSOHM'S LAW
E I
Page:
2
R
Page: 3
BASIC ELECTRONIC SIGNALS
MACHINE ELECTRONICS • DC SIGNALS • SINE WAVES • ANALOG SIGNALS • PULSE TYPE SIGNALS
Page: 4
Fixed Positive
+ 12V0
Fixed Negative
7V
6V 7V 0 Time (A)
6V
- 12V
Time (B)
+
Varying Positive
+12V
Positive Pulse
DC Signals
MACHINE ELECTRONICS
6V
0 Time (C)
0 Time (D) MACHINE ELECTRONICS
Page:
5
DC volts
Page: 6
ANALOG SIGNALS
+
MACHINE ELECTRONICS
0 Pressure ( kPa)
Page: 7
DIGITAL SIGNALS
High
TWO DISTINCT AMPLITUDE LEVELS
MACHINEELECTRONICS
Low
Page: 8
PULSE WIDTH MODULATED "DUTY CYCLE"
TIME ON vs TIME OFF
+
ON
MACHINE ELECTRONICS
0
OFF ONE PERIOD
Page: 9
ELECTRONIC COMPONENTS
Input DevicesMACHINE ELECTRONICS
Output Devices Controls
Page: 10
GAUGE CLUSTER MODULE
TACHOMETER MODULE
MESSAGE CENTER MODULE
ACTION LAMP
1F ACTION ALARM DISPLAY DATA LINK
°C kPa MilesKMRPM Liter SERV CODE X10
...
MACHINE ELECTRONICS
CAT DATA LINK INPUT COMPONENTS AUTO RETARDER CONTROL ENGINE CONTROL
CONTROLCATERPILLAR MONITORING SY INPUT COMPONENTS
Page: 11
INPUTCOMPONENTS
• SWITCHES • SENDERS • SENSORS
MACHINE ELECTRONICS
MACHINE ELECTRONICS
Page:
12
MACHINE ELECTRONICS
Page:
13
Page: 14
SENDER-TYPE
• 0 to 240 OHM • 70 to 800 OHMMACHINE ELECTRONICS
MACHINE ELECTRONICS
Page:
15
Page: 16
SENSOR-TYPES
• • • • FREQUENCY PWM (DIGITAL) ANALOG ANALOG to DIGITAL
MACHINE ELECTRONICS
MACHINE ELECTRONICSPage:
17
1
2
MACHINE ELECTRONICS
Page:
18
MAGNETIC FREQUENCY SENSOR
Page: 19
TRANSMISSION SPEED
SMALL SIGNALS FROM SENSING ELEMENT
OUTPUT ROTATING GEAR AMP SMALL...
MACHINE ELECTRONICS
ELECTRONIC CONTROL OSCILLATOR SENSOR SUPPLY
A C AMPLIFIER THERMISTOR B SIGNAL GROUND
DUTY CYCLE
Adolfo December 1997
MACHINE ELECTRONICSOHM'S LAW
E I
Page:
2
R
Page: 3
BASIC ELECTRONIC SIGNALS
MACHINE ELECTRONICS • DC SIGNALS • SINE WAVES • ANALOG SIGNALS • PULSE TYPE SIGNALS
Page: 4
Fixed Positive
+ 12V0
Fixed Negative
7V
6V 7V 0 Time (A)
6V
- 12V
Time (B)
+
Varying Positive
+12V
Positive Pulse
DC Signals
MACHINE ELECTRONICS
6V
0 Time (C)
0 Time (D) MACHINE ELECTRONICS
Page:
5
DC volts
Page: 6
ANALOG SIGNALS
+
MACHINE ELECTRONICS
0 Pressure ( kPa)
Page: 7
DIGITAL SIGNALS
High
TWO DISTINCT AMPLITUDE LEVELS
MACHINEELECTRONICS
Low
Page: 8
PULSE WIDTH MODULATED "DUTY CYCLE"
TIME ON vs TIME OFF
+
ON
MACHINE ELECTRONICS
0
OFF ONE PERIOD
Page: 9
ELECTRONIC COMPONENTS
Input DevicesMACHINE ELECTRONICS
Output Devices Controls
Page: 10
GAUGE CLUSTER MODULE
TACHOMETER MODULE
MESSAGE CENTER MODULE
ACTION LAMP
1F ACTION ALARM DISPLAY DATA LINK
°C kPa MilesKMRPM Liter SERV CODE X10
...
MACHINE ELECTRONICS
CAT DATA LINK INPUT COMPONENTS AUTO RETARDER CONTROL ENGINE CONTROL
CONTROLCATERPILLAR MONITORING SY INPUT COMPONENTS
Page: 11
INPUTCOMPONENTS
• SWITCHES • SENDERS • SENSORS
MACHINE ELECTRONICS
MACHINE ELECTRONICS
Page:
12
MACHINE ELECTRONICS
Page:
13
Page: 14
SENDER-TYPE
• 0 to 240 OHM • 70 to 800 OHMMACHINE ELECTRONICS
MACHINE ELECTRONICS
Page:
15
Page: 16
SENSOR-TYPES
• • • • FREQUENCY PWM (DIGITAL) ANALOG ANALOG to DIGITAL
MACHINE ELECTRONICS
MACHINE ELECTRONICSPage:
17
1
2
MACHINE ELECTRONICS
Page:
18
MAGNETIC FREQUENCY SENSOR
Page: 19
TRANSMISSION SPEED
SMALL SIGNALS FROM SENSING ELEMENT
OUTPUT ROTATING GEAR AMP SMALL...
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