Doosan B20S-3, Спецификации систем эксплуатации, испытания и регулировка, Страница: 25 / 123

24 MicroController Control System Systems Operation
PUMP CONTROLLER
NOTE : “NORMAL VOLT” ; Battery connected, key switch and seat switch and parking brake switch are closed.
PIN FUNCTION DESCRIPTION NORMAL VOLT
PA-1 LOAD OF DISPLAY OUTPUT FOR INSTRUMENT(LOAD) HIGH/LOW
PA-2 - - -
PB-1 PCLRXD SERIAL RECEPTION POSITIVE HIGH/LOW
PB-2 NCLRXD SERIAL RECEPTION NEGATIVE HIGH/LOW
PB-3 PCLTXD SERIAL TRANSMISSION POSITIVE HIGH/LOW
PB-4 NCLTXD SERIAL TRANSMISSION NEGATIVE HIGH/LOW
PB-5 GND CONSOLE SUPPLY OR INSTRUMENT NEGATIVE 0
PB-6 +12V CONSOLE SUPPLY OR INSTRUMENT POSITIVE 12V
PB-7 - - -
PB-8 - - -
PC-1 CPOT-LIFT CENTER OF LIFT POTENTIOMETER 0
PC-2 NPOT NEGATIVE OF POTENTIOMETER 0
PC-3 PPOT POSITIVE OF POTENTIOMETER 12V
PD-1 KEY INPUT FROM KEY SWITCH B (+)
PD-2 CM(+) COMMON RUNNING MICROSWITCHES B (+)
PE-1 P/TEMPERATURE PUMP MOTOR TEMPERATURE INPUT(NORMAL CLOSED) B (+)
PE-2 3RD-AUX2 AUX2 SPEED INPUT(ACTIVE IF CLOSED ON +BATT.) 0
PE-3 2ND-AUX1 AUX1 SPEED INPUT(ACTIVE IF CLOSED ON +BATT.) 0
PE-4 FWD/BWD DIRECTION SIGNAL FOR IDLING 0
PE-5 1ST - TILT TILT SPEED INPUT(ACTIVE IF CLOSED ON +BATT.) 0
PE-6 BWIDRI VE AND PUMP MOTOR BWI 0
PE-7 - - -
PE-8 - - -
PE-9 - - -
PG-1 - - -
PG-2 - - -
PG-3 DATA OF DISPLAY OUTPUT FOR INSTRUMENT(DATA) HIGH/LOW
PG-4 - - -
PG-5 CLOCK OF DISPLAY OUTPUT FOR INSTRUMENT(CLOCK) HIGH/LOW
PG-6 - - -