8 ONE SHOT INSTALLATION PROCEDURE
This section of the manual describes the basic connection procedure.
To move, the truck needs a minimum I/O outfit that it is mandatory: this minimum
outfit is listed in the Steps from 1 to 8 below.
Step1 Connect a potentiometer in the range 0.5 to 10Kohms, to modify the
wished speed, between CNA#23, CNA#24, CNA#26 [AmpSaab
connector]
Step2 Connect two travel demand switches. The FWD travel demand must
be connected between a battery (key) voltage and CNA#18 in
AmpSaab Connector [CNA#32 in AmpSeal Connector]. The REV
travel demand must be connected between a battery (key) voltage
and CNA#19 in AmpSaab [CAN#31 in AmpSeal]. Only one of them
can be active at the same time. They become active when
connected to a key.
Step3 Connect a tiller (or seat) switch enabling/disabling the truck motion
between CNA#7 in AmpSaab [CNA#1 in AmpSeal] and a key
voltage. It becomes active, enabling the motion, when closed to a
key voltage.
Step4 Connect the encoder in the motor shaft between CNA#9=VDD,
CNA#10=GND, CNA#8=CHA, CNA#22=CHB in AmpSaab
[CNA#25=VDD, CNA#5=GND, CNA#14=CHA, CNA#13=CHB in
AmpSeal connector] . The VDD voltage may be 12V or 5V
depending on a jumper inside the controller.
Step5 Connect the plus battery voltage through a key switch at the KEY
input CNA#13 [CNA#10 in AmpSeal]. This is the input for the
controller supply.
Step6 Connect the Main Contactor Coil to CNA#13 and CNA#17 in
AmpSaab connector (respectively CNA#10 and CNA#12 in
AmpSeal connector). The contactor must connect the battery
positive to the +BATT power terminal of the COMBI AC1.
Step7 Connect the motors and the minus battery to the corresponding
power terminals of the COMBI AC1.
Step8 Connect the Electromechanical Brake between CNA#30 and
CNA#31in the AmpSaab connector [respectively CNA#2 and
CNA#4 in the AmpSeal connector]; when the tiller switch opens, the
electromechanical brake gets de-energized braking the truck.
The Steps from 1 to 8 describe the installation operations that is mandatory to do
in order your truck moves. Obviously the COMBI AC1 may execute a wider set of
optional services as:
1) to handle some speed reductions requests
2) to handle a analog sensor inside the motor
3) to handle a proportional braking
4) to handle a proportional forks lowering valve
5) to handle a pump motor by a chopper.
6) to handle a belly switch and an Inching operative mode.
7) to handle a proportional input for the forks lifting/lowering.
8) to handle a number of on/off E-valves.
Page - 32/86 AEQZP0BA – COMBI AC1 - User Manual
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