General Details

ELDI – 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 - DF:  
Motor power7.5kW            11kW
Supply voltage and frequency
380 ÷ 400V 3~ ±10%
50/60Hz ±5%
Rated output voltage380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current16A            22A
Motor control methodsVersion C
U/F
flux vector control
Version C2
-
Degree of protection
IP 20
Output frequency
0,5 ÷ 200Hz (option - 512Hz)
Overload current capacity
150% during 60s (once per 10 minutes)
Acceleration / Deceleration time
0 ÷ 3600s

Frequency control
With keypad
Through “FTS”
External signal
0 ÷ 10V DC (input impedance 10kΩ)
4 ÷ 20mA (input impedance 250Ω)
potentiometer 2 ÷ 10kΩ
Start
Stop
Reverse
With keypad
button “Start”
button “Stop”
Reverse - through “dtS” - F/R
External signal
Start / Stop - digital input “ON”
Reverse - digital input “F/R"
Inputs
Two programmable digital
Analog 4 ÷ 20mA
Two analog 0 ÷ 10V
Digital - “F/R”
Relay outputs
Two outputs
(ready; speed reference reached)
Programmable analog outputs
Two outputs 4 ÷ 20mA
(output frequency / motor current)
(output frequency / motor current)
Protections
Output short circuit
Undervoltage
Overvoltage
Overheat
Ground fault
Overload
Eeprom error
Fan controlDetect heatsink temperature to start or stop the cooling fan
Weight
7.5kg
Options
Serial interface RS 485; RS 232
(with additional TTL-RS converter)
Remote control - with LCS display / without display (reversible / nonreversible)
with LED display and keyboard by RS port
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