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SJ300 Inverter

General

 

 

The following table (continued on next page) applies to all SJ300 inverter models.

Specifications

 

 

 

 

 

 

 

Item

General Specifications

 

 

 

 

 

 

Protective enclosure *1, *11

IP20 (NEMA 1)

 

 

 

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; [O2] terminal: 12-bit -10 to +10V

 

 

Volt./Freq. characteristic *5

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

 

 

 

 

reduced torque), sensorless vector control

 

 

 

Speed fluctuation

 

± 0.5% (sensorless vector control)

 

 

Overload capacity (output current)

150% for 60 seconds, 200% (180% for 75kW / 100HP and larger) for 0.5 seconds

 

 

Acceleration/deceleration time

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

 

 

 

 

 

Input

Freq.

 

Operator keypad

Up and Down keys / Value settings

signal

setting

 

 

 

 

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 250 Ohms),

 

 

 

 

Potentiometer (1k to 2k Ohms, 2W)

 

 

 

 

 

 

 

 

Serial port

RS485 interface

 

 

 

 

 

 

FW/RV

 

Operator panel

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

 

Run

 

 

 

 

 

External signal

FW Run/Stop (NO contact), RV set by terminal assignment (NC/NO),

 

 

 

 

 

 

 

3-wire input available

 

 

 

 

 

Intelligent Input

RV (reverse run/stop), CF1~CF4 (multi-speed select), JG (jogging), DB (external DC

 

terminals (assign eight

braking), SET (set 2nd motor data), 2CH (2-stage accel./decel.), FRS (free-run stop),

 

functions to terminals)

EXT (external trip), USP (unattended start protection), CS (commercial power source),

 

 

 

 

SFT (software lock), AT (analog input voltage/current select), SET3 (set 3rd motor

 

 

 

 

data), 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),

 

 

 

 

TL (torque limit enable), TRQ1 (torque limit selection bit 1, LSB), TRQ2 (torque limit

 

 

 

 

selection bit 2, MSB), PPI (Proportional / Proportional/Integral mode selection), BOK

 

 

 

 

(Brake confirmation signal), ORT (Orientation – home search), LAC (LAC: LAD

 

 

 

 

cancel), PCLR (Position deviation reset), STAT (pulse train position command input

 

 

 

 

enable), NO (not selected)

 

 

 

 

Thermistor input

One terminal (PTC characteristics)

 

 

 

Output

Intelligent Output terminals

RUN (run signal), FA1 (Frequency arrival type 1 – constant speed), FA2 (Frequency

signal

(assign six functions to five

arrival type 2 – over-frequency), OL (overload advance notice signal 1), OD (Output

 

open collector outputs and

deviation for PID control), AL (alarm signal), FA3 (Frequency arrival type 3 – at-

 

one relay NO-NC contact)

frequency), OTQ (over-torque signal), IP (Instantaneous power failure signal), UV

 

 

 

 

(Under-voltage signal), TRQ (In torque limit), RNT (Run time over), ONT (Power-ON

 

 

 

 

time over), THM (thermal alarm), BRK (Brake release signal), BER (Brake error

 

 

 

 

signal), ZS (Zero speed detect), DSE (speed deviation maximum), POK (Positioning

 

 

 

 

completion), FA4 (Frequency arrival type 4 – over-frequency 2), FA5 (Frequency arrival

 

 

 

 

type 5 – at-frequency 2), OL2 (Overload notice advance signal 2), Terminals 11-13 or

 

 

 

 

11-14 automatically configured as AC0-AC2 or AC0-AC3 per alarm code output selec-

 

 

 

 

tion)

 

 

 

 

Intelligent monitor output

Analog voltage monitor, analog current monitor (8-bit resolution), and PWM output, on

 

terminals

 

terminals [AM], [AMI], [FM]

 

 

 

 

 

Display monitor

 

Output frequency, output current, motor torque, scaled value of output frequency, trip

 

 

 

 

history, I/O terminal condition, input power, output voltage

 

 

 

 

 

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