Komatsu PC88MR-10 Shop Manual page 285

Pump controller
(PC-C3V1-041-K-00-A)
Input and output signals of pump controller
AMP-81P [CN-CP01]
Pin No.
Continuous power supply (24 V)
1
Continuous power supply return
2
3 Window washer
Continuous power supply (24 V)
4
Continuous power supply return
5
Potentiometer power supply (5 V)
6
CAN (R)_H
7
Service oil pressure sensor
8
(*1)
9
1st-line attachment potentiometer 2
10
Oil pressure sensor of pump
11
Swing RIGHT PPC oil pressure sensor
12
Boom "LOWER" PPC oil pressure sensor
13
Arm "IN" PPC oil pressure sensor
14
(*1)
15
(*1)
16
(*1)
17
PC88MR-10
(PC88MR-C3V1-03C-K-00-A)
Signal name
10 Structure and function
Electrical control system
Input/output signal
Input
Input
Output
Input
Input
Output
Input/output
Input
Input
Input
Input
Input
Input
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