Komatsu PC88MR-10 Shop Manual page 294

10 Structure and function
Machine monitor system
Blue bright spots can never be a problem as the screen has usually blue or white background. (White in
the LCD is made up of red, green and blue.)
Input and output signals of machine monitor
070-18P [CN-CM01]
Pin No.
Continuous power supply (24 V)
1
Continuous power supply (24 V)
2
GND (continuous power supply)
3
GND (continuous power supply)
4
External starting signal
5
Starting motor cut-off relay (for personal code)
6
(*1)
7
System operating lamp
8
Lamp switch
9
Starting switch (ACC)
10
Starting switch (C)
11
Preheating
12
Engine shutdown secondary switch
13
(*1)
14
15 Fuel level sensor
Charge level (alternator terminal R)
16
(*1)
17
(*1)
18
*1: Never connect these pins. Malfunctions or failures may occur.
070-12P [CN-CM02]
Pin No.
1 Seat belt alarm switch
(*1)
2
(*1)
3
(*1)
4
(*1)
5
(*1)
6
CAN (C) terminating resistor terminal
7
CAN (C)_H
8
CAN (C)_L
9
CAN (R) terminating resistor terminal
10
CAN (R)_H
11
CAN (R)_L
12
*1: Never connect these pins. Malfunctions or failures may occur.
070-8P [CN-CM04]
Pin No.
Power supply for camera (8 V)
1
Camera NTSC signal 1
2
(*1)
3
(*1)
4
GND (power supply for camera)
5
(*1)
6
(*1)
7
GND (shield)
8
*1: Never connect these pins. Malfunctions or failures may occur.
10-216
(PC88MR-Q180-03C-K-00-A)
Signal name
Signal name
Signal name
Input/output signal
Input
Input
Input
Output
Input/Output
Input
Input
Input
Input
Input
Input
Input
Input/output signal
Input
Input/Output
Input/Output
Input/Output
Input/Output
Input/output signal
Output
Input
PC88MR-10