Toshiba TOSVERT VF-nC3 Instruction Manual page 227

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Item
Protective function
Electronic thermal
characteristic
Reset function
Alarms
Causes of failures
Monitoring function
Past trip monitoring
function
Output for frequency
meter
4-digit 7-segments LED
Indicator
Location of use
Elevation
Ambient temperature
Storage temperature
Relative humidity
Note 1. Above 40°C : Remove the protective seal from the top of VF-nC3.
If the ambient temperature is above 50°C: Remove the seal from the top of the inverter and use the inverter with the
rated output current reduced.
Note 2. If inverters are installed side by side (with no sufficient space left between them): Remove the seal from the top of
each inverter.
When installing the inverter where the ambient temperature will rise above 40°C, remove the seal from the top of the
inverter and use the inverter with the rated output current reduced.
Note 3 For a side-by-side installation, remove the seal on top. However, in areas where the ambient temperature exceeds
40°C, remove the seal on top and reduce the rated output current. (See 6.11 in E6581595.)
Note 4 Current must be reduced by 1% for each 100 m over 1000 m. For example, 90% at 2000 m and 80% at 3000 m.
Stall prevention, current limitation, over-current, output short circuit, over-voltage, over-voltage limitation,
undervoltage, ground fault, detection, power supply phase failure, output phase failure, overload protection by
electronic thermal function, armature over-current at start-up, load side over-current at start-up, over-torque,
undercurrent, overheating, cumulative operation time, life alarm, emergency stop, braking resistor over-
current/overload, various pre-alarms
Switching between standard motor and constant-torque VF motor, switching between motors 1 and 2, setting of
overload trip time, adjustment of stall prevention levels 1 and 2, selection of overload stall
Function of resetting by closing contact 1a or by turning off power or the operation panel. This function is also used
to save and clear trip records.
Stall prevention, overvoltage, overload, under-voltage, setting error, retry in process, upper/lower limits
Over-current, overvoltage, overheat, short-circuit in load, ground fault, overload on inverter, over-current through
arm at start-up, over-current through load at start-up, CPU fault, EEPROM fault, RAM fault, ROM fault,
communication error. (Selectable: emergency stop, under-voltage, small current, over-torque, motor overload, input
phase loss, output phase loss)
Operation frequency, operation frequency command, forward/reverse run, output current, input voltage, output
voltage, torque, torque current, load factor of inverter, input power, output power, information on input terminals,
information on output terminals, version of CPU1, version of CPU2, PID feedback value, frequency command (after
compensation), causes of past trips 1 to 4, parts replacement alarm, cumulative operation time
Stores data on the past four trips: number of trips that occurred in succession, operation frequency, direction of
rotation, load current, input voltage, output voltage, information on input terminals, information on output terminals,
and cumulative operation time when each trip occurred.
Analog output for motor: 1 mA dc full-scale dc ammeter
0 - 20 mA (4 to 20 mA) output: DC ammeter (allowable load resistance: Less than 750 Ω)
0 - 10 V output: DC voltmeter (allowable load resistance: Over 1 kΩ)
Resolution: Maximum of 1/255
Frequency: inverter output frequency.
Alarm: stall alarm "C", overvoltage alarm "P", overload alarm "L", overheat alarm "H".
Status: inverter status (frequency, cause of activation of protective function, input/output voltage, output
current, etc.) and parameter settings.
Free-unit display: arbitrary unit (e.g. rotating speed) corresponding to output frequency.
Lamps indicating the inverter status by lighting, such as RUN lamp, MON lamp, PRG lamp, % lamp, Hz lamp. The
charge lamp indicates that the main circuit capacitors are electrically charged.
Indoors; not exposed to direct sunlight, corrosive gas, explosive gas, flammable gas, oil mist, or dust; and vibration
2
of less than 5.9 m/s (10 to 55 Hz).
3000 m or less (current reduction required over 1000 m) Note 4)
-10 to +60°C Note)1.2.
-25 to +70°C
5 to 95% (free from condensation and vapor).
Specification
L-3
E6581595
12