General specifications – Hitachi L2002 User Manual

Page 30

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Inverter Specifications

Getting Star

ted

1–10

General Specifications

The following table applies to all L200

2

inverters.

Item

General Specifications

Protective housing *1

IP20

Control method

Sinusoidal Pulse Width Modulation (PWM) control

Carrier frequency

2kHz to 14kHz (default setting: 5kHz)

Output frequency range *4

0.5 to 400 Hz

Frequency accuracy

Digital command: 0.01% of the maximum frequency
Analog command: 0.1% of the maximum frequency (25

°C ± 10°C)

Frequency setting resolution

Digital: 0.1 Hz; Analog: max. frequency/1000

Volt./Freq. characteristic

V/f optionally variable, V/f control (constant torque, reduced torque)

Overload capacity

150% of rated current for 1 minute

Acceleration/deceleration time

0.01 to 3000 seconds, linear and S-curve accel/decel, second
accel/decel setting available

Input
signal

Freq.
setting

Operator panel

Up and Down keys / Value settings

Potentiometer

Analog setting

External signal
*9

0 to 10 VDC (input impedance 10k Ohms), 4 to 20 mA (input
impedance 250 Ohms), Potentiometer (1k to 2k Ohms, 2W)

FWD/
REV
Run

Operator panel

Run/Stop (Forward/Reverse run change by command)

External signal

Forward run/stop, Reverse run/stop

Intelligent input
terminal

FW (forward run command), RV (reverse run command), CF1~CF4
(multi-stage speed setting), JG (jog command), DB (external
braking), SET (set second motor), 2CH (2-stage accel./decel.
command), FRS (free run stop command), EXT (external trip), USP
(startup function), SFT (soft lock), AT (analog current input select
signal), RS (reset), PTC (thermistor thermal protection), STA (start),
STP (stop), F/R (forward/reverse), PID (PID disable), PIDC (PID
reset), UP (remote control up function), DWN (remote control down
function), UDC (remote control data clearing), OPE (operator
control), ADD (ADD frequency enable), F-TM (force terminal
mode), RDY (quick start enable)

Output
signal

Intelligent output
terminal

RUN (run status signal), FA1,2 (frequency arrival signal), OL
(overload advance notice signal), OD (PID error deviation signal),
AL (alarm signal), Dc (analog input disconnect detect), FBV (PID
two-stage control output), NDc (network detection signal), LOG
(logic output), OPDc (option card detection signal)

Frequency monitor

PWM output; Select analog output frequency monitor, analog output
current monitor or digital output frequency monitor

Alarm output contact

ON for inverter alarm (1C contacts, both normally open or closed
avail.)

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