General Details

ELDI / V – DF

The ELDI type inverters are designed for speed control of AC motors with power
from 7.5 kW up to 11 kW.

Fields of application:

  • Replacement of variators
  • Pumps and fans control
  • Food processing machines
  • Transport lines and conveyers
  • Elevating transport equipment (lifts and cranes)
  • Wood processing machines
  • Textile machines
  • Extruders
  • Industrial washing machines
Techical Info
Parameter: ELDI / V - DF: 
Motor power
7.5kW              11.0kW
Supply voltage and frequency
380 ÷ 400V 3~ 50/60Hz
Rated output voltage
380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current
16A                 22A
Motor control methods
Closed loop U/F, Open loop U/F, Closed Loop Vector control, Sensorless Vector control
Speed control range
1:100 (Sensorless Vector)
1:1000 (Closed Loop Vector control)
Degree of protection
IP 20
Output frequency
0,5 ÷ 400Hz (option - 512Hz)
Output current overload capacity
150% for 60s (once per 10 minutes)
Acceleration / Deceleration time
0 ÷ 3200s
Controls
by Digital inputs
through external Analog signal
by external potentiometer;
using Pulse Train input
Operator Keypad settings
through Modbus RTU (RS485)
Start
Stop
Reverse
Operator keypad
Start / Stop buttons
Start / Stop / Reverse commands
Digital inputs
Programmable Digital Input
Serial interface
Modbus RTU (RS485)
InputsAnalog
2 multifunctional: -10V ÷ +10V differential
0 ÷ 10V or 4 ÷ 20mA
Digital
5 programmable multifunctional, optoisolated (NPN or PNP),including 2 fast / impulse (500kHz)
OutputsAnalog
2 programmable multifunctional (0 ÷ 20mA or 4 ÷ 20mA)
Digital
2 programmable multifunctional, optoisolated (NPN Open Collector)
Relays
2 programmable multifunctional
Compatible encoders and feedback interfaces
A,A\,B,B\,Z,Z\; Fref,Fref\,Dir,Dir\; Forw,Forw\,Rev,Rev\; Sin,Sin\,Cos,Cos\; EnDat; SSI;
Protections
Short Circuit
Under Voltage
Over Voltage
Over Heat
Earth Fault
Over Load (l2t)
PG Fail
Disconnected Output Phase
Fieldbus Connectivity
RS 485
Modbus RTU
RS 232 (optional)
Additional features and options
“S”-ramp (Sigmoid Function)
Position control
Torque limit control
PC software for configuration and maintenance
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