Komatsu PC600LC-7 Manual page 203

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Input and output signals
CN1
Pin
Signal name
No.
1 Key switch (Battery)
2 Key switch (Battery)
3 Washer motor output
4 Key switch (Terminal C)
5 Wiper contact W (Lower wiper contact P)
6 GND
7 GND
8 VB + (24 V)
9 Wiper motor (+) <Upper wiper motor (+)>
10 Wiper motor (–) <Lower wiper motor (–)>
11 NC
12 Wiper contact P (Upper wiper contact P)
CN2
Pin
Signal name
No.
1 NC
2 Fuel
3 Radiator water level
4 NC
5 Air cleaner clogging sensor
6 NC
7 NC
8 Engine oil level sensor
9 Network (S-NET signal)
10 Network (S-NET signal)
11 Charge level
12 Hydraulic oil temperature (Analog)
13 GND (For analog signal)
14 Personal code relay (Lo)
15 Window limit switch <Lower wiper switch>
16 Buzzer cancel
17 Swing lock
18 Preheating
19 Light switch
20 Network (S-NET GND)
PC600, 600LC-7
CN3
Input/ Pin
output No.
Input 1 NC
Input 2 NC
Output 3 NC
Input 4 NC
Input 5 NC
6 NC
7 NC
Input 8 NC
Output
9 NC
Output
Input
10 NC
Input
11 NC
12 NC
13 GND
14 GND (Shield)
Input/
output
15 CAN (+)
Input 16 CAN (–)
Input
Input
Input
Input
Input
Input
Input
Input/
output
Input/
output
Input
Input
Input
Input
Input
Input
Input
Input
MONITOR SYSTEM
Signal name
Input/
output
Input
Input
Input
Input
Input
Input
Input
Input
Input/
output
Input/
output
Input
Input
Input
Input
Input
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