Westinghouse W-032 User Manual download pdf (Page 7)

Common Specifications

EQ5 AC Drive Operations Manual 

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TECO – Westinghouse Motor Company Common Specifications 107

8-2 Common Specifications

Item Explanation

Control

Control method Sinusoidal wave PWM control (with V/F control, dynamic torque vector control)

Output frequency

Maximum

frequency

50-120Hz variable torque setting

Base frequency 25-120Hz variable torque setting

Starting

frequency

0.1 to 60Hz variable setting Holding time: 0.0 to 10.0 s

Carrier

frequency

0.75 to 15kHz (30 HP/CT, 40 HP/VT or less) 0.75 to 10kHz (40 to 100 HP/CT, 50 to 125 HP/VT) 0.75 to 6kHz (125 HP/CT,

150 HP/VT or more)

Accuracy

(stability)

Analog setting: +/- 0.2% of the max. frequency @

(25

°C +/- 10°C (77°F +/-18°F))

(-10

C to +50

C (14

F to 122

F))

Digital setting: +/- 0.01% of the max. frequency @

Setting

resolution

Analog setting: 1/1000 of max. frequency (30 HP/CT, 40 HP/VT or less), 1/3000 of max. frequency (40 HP/CT, 50 HP/VT or

more)

Digital setting: 0.01Hz (99.99Hz or less), 0.1Hz (100.0Hz or more)

Voltage / frequency

characteristics

Output voltage at base frequency can be adjusted separately, such as 80 to 240V (230V series) or 320 to 480V (460V

series).

Output voltage at max. frequency can be adjusted separately, such as 80 to 240V (230V series) or 320 to 480V (460V

series).

Torque boost

Auto: Optimum control corresponding to the load torque.

Manual: 0.1 to 20.0 code setting (energy saving reduced torque, constant torque, high starting torque, etc.)

Accelerating / decelerating

time

0.01 to 3600s

Four accelerating and decelerating time settings are available independent of each other by selecting a combination of digital

input signals. In addition to linear acceleration and deceleration, either S-shaped acceleration/ deceleration (weak/ strong) or

non-linear acceleration/ deceleration can be selected.

DC injection braking

Starting frequency: 0.0 to 60.0Hz, braking time: 0.0 to 10.0s,

Braking level: 0-80%

Function equipped

Frequency upper and lower limiter, bias frequency, frequency gain, jump frequency, pick-up operation, restart after

momentary power failure, switching operation from line to inverter, slip compensation control, automatic energy saving

operation, regeneration avoiding control, torque limiting (2-step), PID control, second motor switching, cooling fan ON/ OFF

control.

Operation

Operation method

Keypad panel: Run by , keys, stop by key.

Terminal input: Forward/ stop command, reverse/ st

RS485: Serial Commands

op command, coast-to-stop command, alarm reset,

acceleration/ deceleration selection, multistep frequency selection, etc.

Frequency setting

Keypad panel: Setting by , keys.

External potentiometer: POT (VR) (1 to 5kΩ, 1/2watt)

Analog input: 0 to +10V (0 to +5V), 4 to 20mA, 0 to +/- 10V (FWD/ REV operation)

+10 V to 0 (reverse operation), 20 to 4mA (reverse operation)

Up / Down control: Frequency increases or decreases as long as the digital input signal is turned on.

Multistep frequency selection: Up to 16 steps are selectable by a combination of digital input signals.

Serial Communication operation: Operation by RS 485 ModBus RTU.

Program operation: Pattern operation by programming.

Jogging operation: Jogging operation by , key or digital input signals.

Operation status output signals

(4)Transistor outputs: Running, frequency arrival, frequency detection, overload early warning, etc.

(2) Relay outputs: Alarm output (for any fault), multi-purpose relay output signals, etc.

(1) Analog: Output frequency, output current, output voltage, output torque, power consumption, etc. 0-10V

(1) Pulse output : Output frequency, output current, output power, output torque, power consumption, etc.

Indication

Digital display (LED)

Output frequency, setting frequency, output current, output voltage, motor synchronous speed, line speed, load rotation speed,

calculated torque value, power consumption, calculated PID value, PID command value, PID feedback value, and alarm code.

Liquid crystal display (LCD)

Operation information, operational guide, functional code / name / setting data, alarm information, tester function, motor load rate

measuring function (Maximum / average current (rms) during measuring period, maintenance information (Integrated operation

hours, capacitance measurement for main circuit capacitors, heat sink temperature, etc.))

Language Six languages (Japanese, English, German, French, Spanish, and Italian)

Lamp display Charge indication (voltage residual).

Protective functions

Overcurrent, short-circuit, ground fault, overvoltage, undervoltage, overload, overheating, blown fuse, motor overload, external

alarm, input open-phase, output open-phase (when tuning), braking resistor protection, CPU and memor y error, keypad panel

communication error, PTC thermistor protection, surge protection, stall prevention, etc.

Environment

Installation location Indoor, altitude less than 3300ft (1000m), free from corrosive gas, dust, and direct sunlight (Pollution degree 2)

Ambient temperature

-10

(14°F) to +50 (122°F) (ventilating cover must be removed under conditions exceeding +40 (104°F) for models at

30 HP/CT, 40 HP/VT or less)

Humidity 5 to 95%RH (non-condenslng)

Air pressure

Operation / storage : 12.5 - 15.4 PSI

Transport : 10.2 - 15.4 PSI

Vibration

0.12inch(3mm) from 2 to less than 9Hz, 9.8m/s

t from 9 to less than 20Hz,

2m/s

from 20 to less than 55Hz, 1m/s

from 55 to less than 200Hz,

Storage

Ambient

temperature

-25

(-13°F) to +65 (149°F)

Humidity 5 to 95%RH (non-condensing)

FWD

REV

STOP

∨

∧

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Westinghouse W-032 User Manual Page 7

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