General specifications – Hitachi L300P User Manual

Page 28

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L300P Inverter

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1–9

General
Specifications

The following table (continued on next page) applies to all L300P inverter models.

Item

General Specifications

Protective enclosure *1 *11

Models L300P–110xxx to 750xxx: IP20 (NEMA 1)
Models L300P–900xx to 1320xxx: IP00

Control method

Line-to-line sine wave pulse-width modulation (PWM) control

Output frequency range *4

0.1 to 400 Hz

Frequency accuracy

Digital command: ± 0.01% of the maximum frequency
Analog command: ± 0.2% (25

°C ± 10°C)

Frequency setting resolution

Digital: ± 0.01 Hz; Analog: (max. frequency)/4000, [O] terminal: 12-bit, 0 to 10V;
[OI] terminal: 12-bit, 4-20mA; 12 bit [O2] terminal: 12 bit –10 to +10V

Volt./Freq. characteristic

V/F optionally variable (30 to 400Hz base frequency), V/F control (constant torque,
reduced torque)

Overload capacity (output current)

120% for 60 seconds, 150% for 0.5 seconds

Acceleration/deceleration time

0.01 to 3600 sec., (linear curve profiles, accel./decel. selection), two-stage accel./decel.

Input
signal

Freq.
setting

Operator keypad

Up and Down keys / Value settings

Potentiometer

Analog setting via potentiometer on operator keypad

External signal *8

0 to 10 VDC (input impedance 10k Ohms), 4 to 20 mA (input impedance 100 Ohms),
Potentiometer (1k to 2k Ohms, 2W)

Serial port

RS485 interface

FW/RV
Run

Operator panel

Run key / Stop key (change FW/RV by function command)

External signal

FW Run/Stop (NO contact), RV set by terminal assignment (NC/NO),
3-wire input available

Intelligent Input
terminals (assign eight
functions to terminals)

RV (reverse run/stop), CF1~CF4 (multi-speed select), JG (jogging), DB (external DC
braking), SET (set 2nd motor data), 2CH (2-stage accel./decel.), FRS (free-run stop),
EXT (external trip), USP (unattended start protection), CS (commercial power source),
SFT (software lock), AT (analog input voltage/current select), RS (reset inverter), STA
(start, 3-wire interface), STP (stop, 3-wire interface), F/R (FW/RV 3-wire interface),
PID (PID ON/OFF), PIDC (PID reset), CAS (control gain setting), UP (remote control
Up function, motorized speed pot.), DWN (remote control Down function, motorized
speed pot.), UDC (remote control data clearing), OPE (Operator control), SF1-SF7
(Multispeed bits 0-7), OLR (Overload limit change)

Thermistor input

One terminal (PTC characteristics)

Output
signal

Intelligent Output terminals
(assign three functions to two
relay N.O. (1 Form A)
outputs and one relay N.O.-
N.C. (1 Form C) contact

RUN (run signal), FA1 (Frequency arrival type 1 – constant speed), FA2 (Frequency
arrival type 2 – over-frequency), OL (overload advance notice signal 1), OD (Output
deviation for PID control), AL (alarm signal), FA3 (Frequency arrival type 3 – at-
frequency), IP (Instantaneous power failure signal), UV (Under-voltage signal), RNT
(Run time over), ONT (Power-ON time over), THM (thermal alarm)

Intelligent monitor output
terminals

Analog voltage monitor, analog current monitor (8-bit resolution), and PWM output, on
terminals [AM], [AMI], and [FM]

Display monitor

Output frequency, output current, motor torque, scaled value of output frequency, trip
history, I/O terminal condition, input power, output voltage

Other user-settable parameters

V/F free-setting (up to 7 points), frequency upper/lower limit, frequency jump, accel/
decel curve selection, manual torque boost value and frequency adjustment, analog
meter tuning, start frequency, carrier frequency, electronic thermal protection level,
external frequency output zero/span reference, external frequency input bias start/end,
analog input selection, retry after trip, restart after instantaneous power failure, overload
restriction, default value setting (US, Europe, Japan)

Carrier frequency range

Models L300P–015xxx to 750xxx: 0.5 to 12 kHz
Models L300P–900Hxx to 1320Hxx: 0.5 to 8 kHz

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