OUTLINE DRAWINGS, ELEMENTARY DRAWINGS AND INPUTS/OUTPUTS
SX TRANSISTOR CONTROL Page 18
January 1999
Section 3.6 Dual Motor Proportioning Drive and Pump Control Input and Output List
CONNECTIONS TO MAIN PLUG (23 PIN) AND "Y" PLUG (12 PIN)
STANDARD DUAL STANDARD
MOTOR PROPORTIONING PUMP
PIN INPUT/OUTPUT DESCRIPTION INPUT/OUTPUT DESCRIPTION
1 BATTERY VOLTS FROM BATTERY BATTERY VOLTS FROM BATTERY
2 BATTERY VOLTS FROM KEY BATTERY VOLTS FROM KEY
3 BATTERY VOLTS FROM START SWITCH STATUS CODE 93 INPUT
4 BATTERY VOLTS FROM FORWARD SWITCH STATUS CODE 93 INPUT
5 BATTERY VOLTS FROM REVERSE SWITCH STATUS CODE 94 INPUT
6 BATTERY VOLTS FROM SEAT SWITCH STATUS CODE 94 INPUT
7 ACCELERATOR INPUT VOLTAGE SIGNAL POTENTIOMETER INPUT VOLTAGE SIGNAL
8 ACCELERATOR NEGATIVE STATUS CODE 95 INPUT
9 ACCELERATOR POT +5 VOLTS SUPPLY & STEER POT STATUS CODE 95 INPUT
10 BDI INTERRUPT (LEFT) AND PMT ENABLE INPUT (RIGHT) PUMP ENABLE SIGNAL 12VDC
11 PLUG/RGN OUTPUT SIGNAL +12V 1=PLUG STATUS CODE 91 INPUT
12 STEER ANGLE INPUT VOLTAGE SIGNAL SPEED LIMIT #1 INPUT
13 NOT USED TMM1 BRUSHWEAR INDICATER OUTPUT
14 N.O. BRAKE SW. TMM1 OVER TEMPERATURE OUTPUT
15 I
MOTOR
OUT STATUS CODE 92 INPUT
16 MOTOR CURRENT COMPENSATION STATUS CODE 90 INPUT
17 LINE CONTACTOR DRIVER AND SUPPRESSION LINE CONTACTOR DRIVER
18 1A OR STEER PUMP CTR DRIVER AND SUPPRESSION 1A CONTACTOR DRIVER
19 STEER ANGLE POT +5 VOLTS SUPPLY SPEED LIMIT #2 INPUT
20 NOT USED SPEED LIMIT #3 INPUT
21 PMT ENABLE OUTPUT SPEED LIMIT #4 INPUT
22 +12V TACH +12V TACH
23 TACH INPUT TACH INPUT
MOTOR PROPORTIONING "Y" PLUG PUMP "Y" PLUG
PIN INPUT/OUTPUT DESCRIPTION INPUT/OUTPUT DESCRIPTION
1 CLOCK (OUT) ( DASH DISPLAY-4) CLOCK (OUT) ( DASH DISPLAY-4)
2 DATA (OUT) ( DASH DISPLAY-3) DATA (OUT) ( DASH DISPLAY-3)
3 ENABLE (OUT) ( DASH DISPLAY-1) ENABLE (OUT) ( DASH DISPLAY-1)
4 NEGATIVE ( DASH DISPLAY-2) NEGATIVE ( DASH DISPLAY-2)
5 +5V SUPPLY ( DASH DISPLAY-5) +5V SUPPLY ( DASH DISPLAY-5)
6 CONT/STORE (IN) (HANDSET) CONT/STORE (IN) (HANDSET)
7 TACH INPUT TACH INPUT
8 VALUE VALUE
9 FUNCTION FUNCTION
10 +12V TACH OUT +12 TACH OUT
11 SERIAL RECEIVE SERIAL RECEIVE
12 SERIAL TRANSMIT SERIAL TRANSMIT
1 2 3 4 5 6
1 2 3 4 5 6 6 8
9 10 11 12 13 14 15
16 17 18 19 20 21 22 23
WIRE END VIEW - MAIN PLUG
WIRE END VIEW "Y" PLUG
7 8 9 10 11 12
NOTE:
•= PY7 is connected
internally to P23
•= PY10 is connected
internally to P22