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9.6 Main menu “TESTER” functions list
The TESTER functions are a real time feedback measurements of the state of
the controller. It is possible to know the state (active disactive) of the digital I/Os,
the voltage value of the analog inputs and the state of the main variables used in
the motor and hydraulics control. Enter the home page in the hand-set display
and roll for the TESTER item.
9.6.1 Traction
1) BATTERY VOLTAGE
Voltage value with 1 decimal digit. Battery voltage value measured at the key
input CNB#1.
2) MOTOR VOLTAGE
Percentage value. It is the voltage generated by the inverter expressed in per
cent of the actual battery voltage. 100% means the sine wave width is close
to the actual battery voltage; 0% means the sine wave width is null.
3) VOLTAGE BOOSTER
Percentage value. It is the booster contribute to the voltage really supplied to
the motor expressed in per cent of the actual battery voltage. (Note: when
DC_LINK COMPENSATION is set ON, the VOLTAGE BOOSTER reading
will not match perfectly the booster setting because this latest one is
calculated respect to the nominal battery voltage; VOLTAGE BOOSTER is
expressed respect to the actual battery voltage).
4) FREQUENCY
Hz value with two decimal digit. This is the frequency of the sine waves the
inverter is supplying.
5) ENCODER
Hz value with two decimal digit. This is the speed of the motor measured with
the encoder and expressed in the same unit of the FREQUENCY reading.
6) SLIP VALUE
Hz value with two decimal digit. This is the slip between the frequency and
the speed of the motor (SLIP VALUE = FREQUENCY-ENCODER).
7) CURRENT RMS
Ampere value. Root Mean Square value of the line current in the motor.
8) BATTERY CURRENT
Ampere value. This is a coarse calculation (not a measurement) of the
battery current.
9) BATTERY CHARGE
Percentage value. It supplies the residual charge of the battery as a
percentage of the full charge level.
10) TEMPERATURE
°C value. This is the temperature of the inverter base plate. This temperature
is used for the HIGH TEMPERATURE alarm detection (see 11.1.7.1).
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