Variable Frequency Drives

ELDI variable frequency drives are designed for speed control of standard three phase AC motors with power range 0,37 kW to 75 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

ELDI – M

ELDI – M variable frequency drives are designed for speed control of standard three phase AC motors with single phase power supply and
power range 0,37 kW to 0,75 kW

Parameter:			ELDI - M:
Motor power			0,37kW 0,55kW 0.75kW
Supply voltage and frequency			200 ÷ 230V 1~ 50/60Hz
Rated output voltage			200 ÷ 230V 3~ (corresponds to the input voltage)
Rated output current			2.2A 3.0A 4.3A
Motor control methods		Version C	U/F
		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”
	With keypad		Reverse - through “dtS” - F/R
	External signal		Start / Stop - digital input “ON”
	External signal		Reverse - digital input “F/R"
Inputs			One programmable digital
Inputs			One analog 0 ÷ 10V
Relay outputs			One output (ready)
Programmable analog outputs			One output 4 ÷ 20mA
Programmable analog outputs			(output frequency / motor current)
Protections			Output short circuit Under voltage Over voltage Overheat Ground fault Overload Eeprom error
Fan control			-
Weight			0,8kg
Options			-

Data Sheet

User Manual

ELDI – А

ELDI – A variable frequency drives are designed for speed control of standard three phase AC motors with single phase power supply and
power range 0,55 kW to 2,2 kW

Parameter:			ELDI - A:
Motor power		0.55kW 0.75kW 1.1kW 1.5kW 2.2kW
Supply voltage and frequency		200 ÷ 230V 1~ 50/60Hz
Rated output voltage		200 ÷ 230V 3~ (corresponds to the input voltage)
Rated output current		3.0A 4.3A 5.9A 7.1A 10.1A
Motor control methods	Version C		U/F flux vector control
Motor control methods	Version C2		U/F flux vector control with feedback from tacho or encoder
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)
	External signal		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
Programmable analog outputs			(output frequency / motor current)
Protections			Output short circuit Undervoltage Ground fault Overload Eeprom error Overvoltage Overheat
Fan control			Detect heatsink temperature to start or stop the cooling fan
Weight			1.5kg 1.5kg 1.5kg 2.2kg 2.2kg
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

Data Sheet

User Manual

ELDI – B

ELDI – B variable frequency drives are designed for speed control of standard three phase AC motors with three phase power supply and
power range 0,55 kW to 5,5 kW

Parameter:			ELDI - B:
Motor power		0.55kW 0.75kW 1.1kW 1.5kW 2.2kW 3.0kW 4.0kW 5.5kW
Supply voltage and frequency			380 ÷ 400V 3~ 50/60Hz
Rated output voltage			380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current		2.0A 2.3A 3.2A 4.2A 6.0A 7.6A 10.2A 12.5A
Motor control methods		Version C	U/F flux vector control
		Version C2	U/F flux vector control with feedback from tacho or encoder
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)
Protections			Output short circuit Under voltage Over voltage Overheat Ground fault Overload Eeprom error
Fan control			Detect heatsink temperature to start or stop the cooling fan
Weight	1,5kg 1,5kg 1,5kg 2,2kg 2,2kg 2,6kg 3,4kg 3,4kg
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

Data Sheet

User Manual

ELDI – DF

ELDI – DF variable frequency drives are designed for speed control of standard three phase AC motors with three phase power supply and
power range 7,5 kW to 11,0 kW

Parameter:			ELDI - DF:
Motor power			7.5kW 11kW
Supply voltage and frequency			380 ÷ 400V 3~ ±10% 50/60Hz ±5%
Rated output voltage			380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current			16A 22A
Motor control methods		Version C	U/F flux vector control
Motor control methods		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”
	With keypad		Reverse - through “dtS” - F/R
	External signal		Start / Stop - digital input “ON”
	External signal		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)
Programmable analog outputs			(output frequency / motor current)
Protections			Output short circuit Undervoltage Overvoltage Overheat Ground fault Overload Eeprom error
Fan control			Detect 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

Data Sheet

User Manual

ELDI / V – A

ELDI/V – A variable frequency drives are designed for vector control of standard three phase AC motors with single phase power supply and
power range 0,55 kW to 2,2 kW

Parameter:		ELDI / V - A:
Motor power		1.1kW 1.5kW 2.2kW
Supply voltage and frequency		200 ÷ 230V 1~ 50/60Hz
Rated output voltage		200 ÷ 230V 3~ (corresponds to the input voltage)
Rated output current		5.9A 7.1A 10.1A
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	IP20
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
Start Stop Reverse	Operator keypad	Start / Stop buttons Start / Stop / Reverse commands
	Digital inputs	Programmable Digital Input
	Serial interface	Modbus RTU (RS485)
Inputs	Analog	2 multifunctional: -10V ÷ +10V differential, 0 ÷ 10V or 4 ÷ 20mA
Inputs	Digital	5 programmable multifunctional, optoisolated (NPN or PNP), including 2 fast / impulse (500kHz)
Outputs	Analog	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

Data Sheet

User Manual

ELDI / V – B

ELDI/V – B variable frequency drives are designed for vector control of standard three phase AC motors with three phase power supply and
power range 0,55 kW to 5,5 kW

Parameter:
Motor power		0.5kW 0.7kW 1.1kW 1.5kW 2.2kW 3kW 4kW 5kW
Supply voltage and frequency			380 ÷ 400V 3~ 50/60Hz
Rated output voltage			380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current		2.0A 2.3A 3.2A 4.2A 6.0A 7.6A 10.0A12.0A
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			IP20
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)
Inputs	Analog			2 multifunctional: -10V ÷ +10V differential 0 ÷ 10V or 4 ÷ 20mA
	Digital			5 programmable multifunctional optoisolated (NPN or PNP) including 2 fast / impulse (500kHz)
	Digital
Outputs	Analog			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
Additional features and options

Data Sheet

User Manual

ELDI / V – DF

ELDI/V – DF variable frequency drives are designed for vector control of standard three phase AC motors with three phase power supply and
power range 7,5 kW to 11,0 kW

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)
Inputs	Analog	2 multifunctional: -10V ÷ +10V differential 0 ÷ 10V or 4 ÷ 20mA
Inputs	Digital	5 programmable multifunctional, optoisolated (NPN or PNP),including 2 fast / impulse (500kHz)
Outputs	Analog	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

Data Sheet

User Manual

ELDI / V – D

ELDI/V – D variable frequency drives are designed for vector control of standard three phase AC motors with three phase power supply and
power range 15,0 kW to 75,0 kW

Parameter:
Motor power		15kW 18kW 22kW 30kW 37kW 45kW 55kW 75kW
Supply voltage and frequency			380 ÷ 400V 3~ 50/60Hz
Rated output voltage			380 ÷ 400V 3~ (corresponds to the input voltage)
Rated output current		29A 36A 42A 62A 72A 85A 105A 138A
Motor control methods		Closed loop U/F. Open loop U/F. Closed Loop Vector control. Sensorless Vector control
Speed control range		1:1000 (Closed Loop Vector control)
Degree of protection		IP20
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)
Inputs	Analog			2 multifunctional: -10V ÷ +10V differential 0 ÷ 10V or 4 ÷ 20mA
	Digital			5 programmable multifunctional optoisolated (NPN or PNP) including 2 fast / impulse (500kHz)
	Digital
Outputs	Analog			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
Additional features and options

Data Sheet

User Manual

Parameter:			DA2:
Motor power			0,5kW 0,75kW 1.1kW
Supply voltage and frequency			200 ÷ 230V 3~ 50/60Hz
Rated output voltage			200 ÷ 230V 3~ 0 ÷ 200Hz (corresponds to the input voltage)
Nominal output current			3.5A 5.0A 6.5A
Maximum output current			10A 10A 15A
Motor control methods			SVPWN (Space Vector Pulse Width Modulation) SIN PWM
Brake resistor			Built in (50Ω / 100W)
Degree of protection			IP 20
Cooling system			No No Fan cooling

Speed control mode
Analog input multifunctional	Voltage range		0 ÷ ±10 V DC
Analog input multifunctional	Input resistance		10KΩ
Speed control range			1 ÷ 5000
Torque limit operation			Set by parameters or via analog input
Command source			External (analog signal) / Internal (parameters)
Speed accuracy (at rated rotation speed)			0,01% or less at load fluctuation 0-100%
			0,01% or less at power fluctuation ±10%
			0,01% or less at ambient temperature fluctuation 0 - 50 °C

Position control mode
Max input pulse frequency			Max 500Kpps (Line driver) / Max 200Kpps (Open collector)
Pulse type			Pulse + Direction (Aphase + Bphase; CCW Pulse + CW Pulse - optional)
Command source			External (pulse train) / Internal (parameters)
Electronic gear			Electronic gear A/B multiple (-199.00 < A/B < 199.00)
Torque limit operation			Set by parameters or via analog input

Torque control mode
Analog input multifunctional		Voltage range	0 ÷ ±10 V DC
		Input resistance	10KΩ
		Time constant	2,2µS
Speed limit operation			Set by parameters or via analog input
Command source			External (analog signal) / Internal (parameters)

Input - output interface and protection
Digital inputs			5 multifunctional programmable. Optoisolated. NPN
Digital outputs			3 transistor „Open collector“ multifunctional programmable,
Digital outputs			3 differential encoder signal output A/B/Z - Line driver
Communication interface			RS 232 / RS 485
Protections			Overcurrent Overvoltage Under voltage Servo Overheat Regeneration error Overload Encoder error IPM fault Communication error and other

Working and storage environment
Operating temperature			0 °C до 50 °C (If operation temperature is above specified range, forced cooling will be required)
Storage temperature			-20 °C ÷ +65 °C
Humidity			80% at 30 °C (non-condensing)