EM330D User Manual
A Special Purpose Inverter for Hoisting
9
1.1.2
EM330D Technical specifications
Table 1-2 EM330D Technical specifications
Items
Specifications
Input
Rated Voltage
3-phase AC380V±20%, 50~60Hz±5%, voltage imbalance rate <3%
Output
Max. Output Voltage
3-phase,from 0 to U
supply
Rated Output Current
100% rated current non-stop output, see Table 1-1.
Max. Overload Current 150% rated current for 1 minutes, 180% rated current for 10 seconds
Basic
Control
Functions
Control Mode
Special control mode for hoisting
Input Mode
Frequency (Speed) input
Running Mode
Keypad, control terminals (2-wire sequence, 3-wire sequence), RS485
Frequency Control Range 0.00
～
600.00Hz
Input Frequency
Resolution
Numeric input:0.01Hz, analog input: 0.1% of maximum frequency
Governor Deflection
1:100
Speed Control Accuracy ±0.5% rated synchronous speed
Acceleration/Deceleration
Time
0.01~600.00 seconds
V/F Features
Rated output voltage: 20%~100% adjustable,
Frequency base :20Hz~600Hz adjustable
Torque Boost
Automatic torque boost, fixed torque boost curve, customer defined
V/F curve scaling
Start-up Torque
150%/0.5Hz
AVR
AVR is active while output voltage remains unchanged if input voltage
is varying.
Current Automatic
Limiting
Automatically limit output current, avoid frequent overcurrent tripping
(Do not apply it to construction lift and hoisting function of tower
crane)
DC Brake
Brake frequency:0.1~60Hz, brake time:0~30S, brake current:0~150%
rated current
Signal Input Source
Communications, analog voltage, analog current, preset speed, simple
PLC and its group wares
Function of
Input and
output
Reference Power
10V/20mA
Terminal Control Power 24V/150mA
Numeric Input Terminals 7 programmable numeric input terminals
Analog Input Terminals
4 analog inputs: 2 voltage inputs (0~10V), and 2 current
inputs(0~20mA)
Numeric Output
Terminals
2 OC outputs and 1 relay output are programmable. Maximum output
current of OC: 50mA. Relay contact capacity: 250VAC/3A or
30VDC/1A. When relay acts, EA-EC is on, and EB-EC is off.
Analog Output Terminals
2 programmable analog output terminals can output 0~10V or
0~20mA
Keypad
Display
LED
Human interactions with displays and control actuators
Parameter Copy
Upload and download parameter information of the inverter, copy
parameters rapidly.
Protections Protections
Short circuit, overcurrent, overload, overvoltage, undervoltage, phase
loss, overheating, external faults, and etc.
Application
Conditions
Installation Site
Indoor, with altitude less than1,000 meters, free of dust and corrosive
gas, and no direct sunlight
Ambient Temperature
-10
℃～
+40
℃
. In the temperature range +40 °C…+50 °C, the rated
