Komatsu PC600LC-7 Manual page 173

STRUCTURE, FUNCTION AND MAINTENANCE STANDARD
Input and output signals
CN1 [CN-E11]
Pin No. Signal name
CN1-1 POWER (+24V constant)
CN1-2 POWER (+24V constant)
CN1-3 Model selection 1
CN1-4 GND
CN1-5 NC
CN1-6 NC
CN1-7 GND
CN1-8 GND
CN1-9 NC
CN1-10 GND
CN1-11 NC
CN1-12 NC
CN1-13 Key switch (ACC)
CN1-14 NC
Engine oil pressure switch (For high
CN1-15
pressure)
CN1-16 (Memory clear)
CN1-17 Model selection 3
CN1-18 NC
CN1-19 Key switch (ACC)
CN1-20 Starting switch (C)
Engine oil pressure switch (For low
CN1-21
pressure)
CN1-22 NC
CN1-23 Model selection 2
CN1-24 NC
PC600, 600LC-7
CN2 [CN-E12]
Input/
Pin No.
Output
CN2-1 GND
CN2-2 NC
Input CN2-3 NC
CN2-4 RS232C_RX1
Input CN2-5 NC
Output CN2-6 NC
CN2-7 NC
CN2-8 NC
Input CN2-9 Sensor 5V power supply 2
CN2-10 Fuel control dial
Input CN2-11 S_NET_SHIELD GND
Output CN2-12 CAN_SHIELD
Input CN2-13 NC
Input CN2-14 RS232C_TX1
CN2-15 G_SHIELD (GND)
Input
CN2-16 Ne_SHIELD (GND)
CN2-17 Fuel temperature sensor
Input CN2-18 NC
Output CN2-19 Sensor 5V power supply 1
Input CN2-20 Boost pressure sensor
Input
CN2-21 S_NET (+)
Input
CN2-22 CAN (L)
Input
Input CN2-23 NC
Output CN2-24 (FWE_switch)
CN2-25 G pulse (–)
CN2-26 Ne pulse (–)
CN2-27 Water temperature sensor (High)
CN2-28 NC
CN2-29 Analog GND
CN2-30 NC
CN2-31 S_NET (+)
CN2-32 CAN (H)
CN2-33 NC
CN2-34 GND (232C_GND)
CN2-35 G pulse (+)
CN2-36 Ne pulse (+)
CN2-37 Water temperature sensor (Low)
CN2-38 NC
CN2-39 Analog GND
CN2-40 Common rail pressure sensor
ENGINE CONTROL
Signal name
10-141
Input/
Output
Input
Input
Input
Input
Output
Input
Output
Output
Input
Input
Output
Input
Input/
Output
Input/
Output
Input
Input
Input
Input
Input
Input
Input/
Output
Input/
Output
Input
Input
Input
Input
Input