Danfoss FC-51 VLT Micro Specifications

VLT Micro Specifications

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Mains Supply (L1, L2, L3)

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Supply Voltage	1 X 200 – 240VAC +/- 10%
Supply Voltage	3 X 200 – 240VAC +/- 10%
Supply Voltage	3 X 380 – 480VAC +/- 10%

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Output Data (U, V, W)

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Output Voltage	0 – 100% of supply voltage
Output Frequency	0 – 200Hz in WC+ mode
Output Frequency	0 – 400Hz in U/f mode
Switching on output	Unlimited
Ramp Times	0.05 – 3600 seconds

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Digital Inputs

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Programmable Inputs	5
Logic	PNP or NPN
Voltage Level	0 – 24VDC
Maximum voltage on input	28VDC
Input Resistance Ri	Approximately 4kΩ

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Pulse Inputs

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Programmable Pulse Inputs	1
Voltage Level	0 – 24VDC (PNP positive logic)
Pulse Input Accuracy (0.1 – 110kHz)	Maximum error: 0.1% of full scale
Pulse Input Frequency	20 – 5000Hz

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Analogue Inputs

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Analogue Inputs	2
Modes	1 current / 1 voltage or current
Voltage Level	0 – 10V (scalable)
Current Level	0 / 4 (scalable)

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Analogue Outputs

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Programmable Analogue Outputs	1
Current range at analogue output	0/4 – 20 mA
Maximum load to common at analogue output	500 Ω
Accuracy on analogue output	Maximum error: 0.1% of full scale

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On-Board Power Supply

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Output Voltage	10.5 +/- 0.5VDC
Maximum Load (10VDC)	15mA
Maximum Load (24VDC)	130mA

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Relay Outputs

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Programmable Relay Outputs	1
Maximum Terminal Load	240VAC, 2A

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Cable Lengths

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Maximum motor cable length With screened (shielded) cables	15m
Maximum motor cable length With unscreened (unshielded) cables	50m

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Surroundings / External

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Enclosure Rating	IP20
VibrationTest	0.7g
Maximum Relative Humidity	5% – 95% (IEC721-3-3); Class 3K3 Non- condensingduring operation
Aggressive Environment	(IEC 721-3-3); coated class 3C3
Ambient Temperature	Maximum of 50 degrees Celsius
24 hours Average	Maximum of 40 degrees Celsius

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Protection and features:

Electronic thermal motor protection against overload

Temperature monitoring of the heat sink protects the Drive from overheating

The Drive is protected against short circuits on motor terminals U, V, W

The Drive is protected against earth fault on motor terminals U, V, W

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Gingoog Electric Trading (G.E.T.)

Danfoss FC-51 VLT Mico Drive Control

You are in control

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Hot pluggable display, with or without built-in potentiometer

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VLT Micro key pad features:

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LCP without potentiometer in IP54

LCP with potentiometer in IP21

Remote mounting kit

LCP copy function

Parameter numbers and values visible simultaneously

Unit indicators (A, V, Hz, RPM, %, s, HP and KW)

Rotation direction and indication

Up- and download functionality

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Large figures are easy to read

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Display readable from a distance

Operating buttons are illuminated when active

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Quick Menus

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A Danfoss defined Quick Menu

MCT-10 Set-up software

Basic Settings

PI Controller

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Menu structure

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Based on the very well known matrix from the VLT family

Easy shortcut for the experienced user

Edit and operate in different set-ups simultaneously

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Built-in Smart Logic Controller

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The smart logic controller is a simple and yet very clever
way to have your Drive, motor and application working together.

The smart logic controller is able to monitor any parameter
that can be characterized as “true” or “false”.

This includes digital commands and also logic expressions
which allows even sensor outputs to influence the operation.

Temperature, pressure, flow, time, load, frequency, voltage
and other parameters combined with the operators “<”, “>”, “=”, “and”
plus “or” forms logic expressions that are false or true.

That is why Danfoss calls it a “logic” controller and as a
result of this you can program the controller to react on literally any event
without necessarily using another external Programmable Logic Controller or
PLC. This helps saving space but also investment and maintenance.

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Serial communication

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Serial communications like for example Ethernet applications
are likewise available options. The VLT Micro is actually a real giant in its
class. We believe that such a versatility and flexibility has yet to be matched
by competing brands.

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It is precisely there where you will find much more information to the general subject plus much more specific referrals to very much related downloads.

When you prefer to view directly all the corresponding file folders you may also proceed directly to the FC-51 folder in our

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We certainly do hope that you enjoyed again the read and that you stay with us for more upcoming technical reading pleasure.

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Ralf Wabersich

Gingoog Electric Trading (G.E.T.)

Danfoss FC-51 VLT Micro Drive Design & Quality

Compact design and uncompromising quality

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Ensured reliability and maximum up-time

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Real space saving side-by-side

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A compact book style design allows real side by side
mounting without rerating

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Minimum penetration of dust

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VLT Micro Drive FC-51 is designed to keep the forced ventilation
away from the electronics. Printed Circuit Boards are well protected inside the
Drive plus they are even silicon coated to make double sure that no conductive
materials can cause harm.

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Built-in RFI

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Radio disturbance or frequency disturbance for example from
motor cables is limited with the already built-in RFI Filter which allows a screened
motor cable run of 15 meters and meets the strict EU norms.

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Built-in brake functions

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With already built-in DC and AC brake functions the VLT Micro
Drive FC-51 can transform kinetic energy in the application into braking power
to slow down the motor. A brake chopper is built-in to the Drives from
1.5KW/2HP upwards.

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Designed for reliability in industrial applications

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Coated electronics are standard

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All VLT Micro Drives come with coated electronics for longer
lifetime and reliability.

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Energy efficiency 98%

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High quality VLT power modules ensure cool running of the
Drive due to extremely low losses.

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Intelligent heat management

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Process heat is removed through the heat sink, leaving
electronics protected from dust and dirt from production and environment.

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Effective heat sink

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An effective heat sink easily removes heat from the
electronics, extending even further the aforementioned lifetime and reliability
of the Drive.

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50 degrees Celsius ambient temperature

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Highly efficient cooling allows up to 50 degrees ambient
temperature without rerating.

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Ready-Steady-Go

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The VLT Micro Drive with its Quick Menu is so simple to
operate, just connect the motor and power cables, turn the built-in control
knob and watch the motor speed changing already.

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GET it done the simple way… GET it done today.

Please find also much much more on the general Drive subject in the

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GET to know VFD’s Category

It is precisely there where you will find much more information to the general subject plus much more specific referrals to very much related downloads.

When you prefer to view directly all the corresponding file folders you may also proceed directly to the FC-51 folder in our

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We certainly do hope that you enjoyed again the read and that you stay with us for more upcoming technical reading pleasure.

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Ralf Wabersich

Gingoog Electric Trading (G.E.T.)

Danfoss FC-51 VLT Micro Drive highlights

Danfoss VLT Micro Dive FC-51

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The VLT Micro Drive is also known as the FC-51, it is a small Drive, actually the smallest in our portfolio but still delivers maximum strength and maximum reliability. It is really amazing how powerful and how well featured this little baby is and exactly this very compact quality makes it to a bestseller to the smaller and medium sized industries in the Philippines and here in Mindanao, the playground of Gingoog Electric Trading, your friendly dealer and expert in all automation related concerns.

The VLT Micro Drive is a genuine VLT Variable Frequency Drive (VFD), a Frequency Converter with unsurpassed reliability, user-friendliness, condensed functionality and just like it is the case with all other Danfoss VFD’s also his latest release of the Danfoss Drive family is likewise very easy to commission and totally simple to operate. All terminal numbers are named in the same manner as in the rest of the VLT world. It is developed and manufactud by Danfoss Drives, the leading experts since 1968 and the very creators of the VLT, the real Drive!

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User-friendly

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The VLT Micro Drive shares the same user-friendliness of the entire VLT model arsenal.

Plug and play for minimum effort and minimum time

Minimum commissioning to save even more time

Copy settings via local control pane for easy set-ups of multiple Drives

Intuitive parameter structure for minimal manual reading (just as if you go over your cell phone menu)

Complies with VLT software to save even much more commissioning time especially for larger projects

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Reliable

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The VLT-Micro is a full member of the VLT family, sharing the overall design, reliability and yes, we really cannot say it often enough, the user friendliness, something all our customers without a single exception do confirm and even underscore!

High quality components and genuine VLT solutions make the VLT Micro Drive so extremely reliable.

Optimum heat dissipation for a longer life time

High quality electronics/capacitors for a low lifetime cost

All Drives are full load tested from the factory to ensure the highest reliability

Earth fault, temperature and short circuit protection for a lean operation

Circuit boards are well protected and coated to increase robustness, reliability and durability

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Small Drive – High performance

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Despite the very compact size indeed and the very easy commissioning, more especially so with the so called Quick Menu, the VLT Micro Drive can be set up to perform perfectly even in very complex applications and requirements. Approximately 100 parameters can be set to optimize energy efficiency and operation.

Process PI controller to eliminate the need for external controllers

Automatic Motor Adaption (AMA) to exploit the motor’s full potential

150% motor torque up to 1 minute to eliminate the need for bigger Drives

Flying start (catch spinning motor) for a leaner operation and more up-time

Electronic Thermal Relay (ETR) replaces the need for additional external motor protection

Smart Logic Controller often makes additional external PLC’s ommissable

Built-in RFI filter to save cost and space and to ensure an operation without RFI disturbances

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In- and outputs

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5 programmable digital inputs

PNP/NPN selections

Pulse input 20 to 5000Hz

1 analogue input 0-10V or 4-20mA

1 analogue input 0-20mA

Thermistor input (analogue/digital)

1 analogue output 0-20mA

1 relay 240VAC, 2A

RS-485 FC-bus serial communication

ModBus RTU serial communication

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Compact general purpose Drive

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The VLT Micro Drive is a low cost general purpose Drive that can control AC motors of meanwhile up to 22.0KW/30.0HP, are available for 220VAC and 440VAC applications and even for single phase input supplies, it is the prime choice of a variety of our customers.

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GET it done the better way… GET it done today.

Please find also much much more on the general Drive subject in the

GET Drives Category

GET Savings Category

GET Applications Category

GET to know VFD’s Category

It is precisely there where you will find much more information to the general subject plus much more specific referrals to very much related downloads.

When you prefer to view directly all the corresponding file folders you may also proceed directly to the FC-51 folder in our

GET Sky Drive Section

We certainly do hope that you enjoyed again the read and that you stay with us for more upcoming technical reading pleasure.

Retrieve our GET Contact Details or send us your E-mail inquiry through the GET Contact Form.

Ralf Wabersich

Gingoog Electric Trading (G.E.T.)