A1 Speed Control Pin Connections; Low Current A1 Speed Control Pin Key Detail - Nilfisk-Advance Adphibian AX 651 Multi EDS Service Manual

A1 Speed Control Pin Connections

Figure 22
WHEEL DRIVE SYSTEM
A1 Speed Control
Pin Connection
POT HIGH
KSI
5
4
3
13
POT POT
WIPER
LOW
This drawing shows additional controller input circuit detail. The R2 pot is shown at the Max speed setting and the R1
pot in neutral.

Low Current A1 Speed Control Pin Key Detail

Pin # Wire Color Controller Description and Function
1 - Open - not used
2 - Open - not used
3 Black Throttle Pot R1 pot high input
4 Blue Throttle Pot R1 pot wiper input
5 Brown KSI (key switch input): Battery (+) powers up controller logic circuits
6 Red/Black Auxiliary Driver: Battery (-) output to main controller (E1) to turn on (activate) all auto scrub
functions
7 - Open - not used
8 - Open - not used
9 Orange/ Status Fault: Speed controller fault output to main control panel fault indicator light (accessory
Blue wand)
10 - Open - not used
11 - Open - not used
12 - Open - not used
13 White Throttle Pot R1 pot low input
14 - Open - not used
15 - Open - not used
16 Blue/Black Rev/Alarm Driver output Battery (-) command turns off solution valve(s)
17 - Open - not used
18 Brown Speed limit pot input connection
62 - Form No. 56043116 - Adphibian™/AX 651 Multi EDS/AquaPLUS™
BLU
STATUS
BRAKE
6 9
16
18
REV.
SPEED
LIMIT
POT
R2 Voltage Values
0V -= Minimum Speed
5V = Maximum Speed
R1 Throttle
5K Ohms
BLK
WHT
BRN
R1 Voltage Values
2.5V - 5V Forward
0 - 2.5V Reverse
1
WHT 3
2
R2 Speed Limit
100K Ohms
1
3
WHT
2
BLK
BLK