24
- FORM NO. 56043126 - CR 1100, CR 1200
WHEEL DRIVE SYSTEM
Low Current controller A3 Pin Key Detail
Pin #
Wire Color
Controller Pin Description & Function
1
ORN
Key switch input (KSI): Battery (+) 36V powers up controller logic circuits.
2
GRN
Interlock: Seat switch (S9) and Battery interlock Switch (S13) input battery (+) 36V to pin 2 to allow an
output to the Pin 17 (-) 36V BLK/YEL wire to K5 contactor coil.
3
BLU/BLK
Mode 1: Drive motor scrub speed battery (+) input from main controller
(A1). When pin 3 sees (+)36V the machine will drive in the slow scrub speed
4
Not Used
5
ORN/RED
Fault 1 output: Speed controller (A3) fault code output to the operator display panel Speed Controller
Fault Code Status Light (Wrench).
6
Not Used
7
Not Used
8
Not Used
9
ORN
Battery Pos (+) Coil Return input: connects internal suppression diode to K5 coil.
10
Not Used
11
Not Used
12
Not Used
13
VIO/BLK
Throttle input : Wire pot high
14
WHT/BLK
Throttle input : Wire pot Low
15
BRN/RED
Throttle input : Wire pot wiper
16
Not Used
17
BLK/YEL
Main Contactor Driver: Battery (-) 36V output to main contactor K5 Coil. Activated by Key switch input
from Pin 1.
18
Not Used
19
RED/WHT
Reverse signal driver output: Signals the A1 Main Control Board when machine is in reverse.
20
GRA
Electromagnetic brake drive: Battery (-) output to main controller (A1) to turn on (activate) all auto
functions.
21
Not Used
22
Not Used
23
Not Used
24
Not Used
24 23 22 21 20 19 18 17 16 15 14 13
12 11 10
9
8
7
6
5
4
3
2
1
Used
Not Used
Detail of A3 24-pin connector:
Содержание Cr 1100
Страница 72: ......