Group 19, Motor Controls
SM 765, Sep ’06 Control Programming • 19-2-9
TESTER MENU
The most important input or output signals can be measured in real time using the TESTER function of the handset. The
handset acts as a multimeter able to read voltage, current and temperature. The following is a list of measurements for
different configurations.
Handset Tester: user can verify the state of the following parameters:
MASTER CONTROL
Master Control - "Dualac2 Power 80V"
Truck Hour Meter(HRs) Accelerator (V) Brake switch (ON/OFF)
Motor voltage (%) Steer Angle (°) Exclusive hydro (ON/OFF)
Frequency (Hz) Int wheel cutback (%) Brake pedal poti (%)
Encoder (Hz) Forw switch (ON/OFF) Hand brake (ON/OFF)
Slip Value (Hz) Back switch (ON/OFF) Voltage booster (%)
Current RMS (A) Enable switch (ON/OFF) Battery voltage (V)
Temperature (°C) Seat switch (ON/OFF) Battery charge (%)
Temperature #1 (°C) Cutback switch (ON/OFF)
Temperature #2 (°C) Cutback switch2 (ON/OFF)
1) TRUCK HOUR METER: Shows truck hour meter
2) MOTO R VO LTAGE: This is the voltage supplied to the motor by the controller; it is expressed as a percent-
age of full battery voltage.
3) FREQUENCY: This is the frequency of the voltage and current supplied to the motor.
4) ENCODER: This is the speed of the motor, expressed in the same unit of the frequency; this infor-
mation comes from the speed sensor.
5) SLIP VALUE: This is the difference of speed between the rotating field and the shaft of the motor,
expressed in the same unit of the frequency.
6) CURRENT RMS: Root Mean Square value of the motor current.
7) TEMPERATURE: The temperature measured on the aluminum heat sink holding the MOSFET devices.
8) TEMPERATURE #1: This is the temperature of the right motor; if this option is programmed "None" it
shows 0°.
9) TEMPERATURE #2: This is the temperature of the left motor; if this option is programmed "None" it shows
0°.
10) ACCELERATOR: The voltage of the accelerator potentiometer's wiper (CPOT). The voltage level is
shown on the left-hand side of the Handset display and the value in percentage is
shown on the right-hand side.
11) STEER ANGLE: This is the indication off the angular position of the steer wheel.
12) INTERNAL WHEEL
CUTBACK:
This is an indication of the speed reduction applied to the inside wheel; in other words,
it shows the ratio of the two speeds.
13) FORWARD SWITCH: The level of the Forward direction digital input FW.
ON /+BV = input active, switch closed.
OFF / GND = input non-active, switch open.
14) BACKWARD SWITCH: The level of the Reverse direction digital input BW.
ON /+BV = input active, switch closed.
OFF / GND = input non-active, switch open.
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