Danfoss VLT Micro Drive FC 51
Compact VLT quality
VLT® Micro Drive is a genuine VLT® frequency converter with
unsurpassed reliability, user-friendliness, condensed functionality, and
extremely easy to commission. Terminal numbers are named in the same
manner as in the rest of the VLT® family. It’s developed and
manufactured by Danfoss Drives, the leading drives experts since 1968
and creators of VLT® – The Real Drive.
User Friendly
- VLT Micro Drive share the user-friendliness of the VLT family.
- Plug and play - minimum effort minimum time
- Minimum Commissioning - save time
- Copy settings via local control panel - simple set up of
multiple drives
- Intuitive parameter structure - minimal manual reading
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Need specialist advice on the Danfoss VLT drives range?
Call or
email Ray Hargreaves - CSE's Danfoss Consultant
on 023 8063 3055 Ready to buy? We now sell the
VLT Micro Drives on-line. |

Reliable
VLT Micro Drive is a full member of the VLT® family sharing the overall
quality
of design, reliability and user-friendliness.
High quality components and genuine VLT® solutions makes VLT® Micro Drive
extremely reliable.
- Optimum heat dissipation – Longer lifetime
- High quality electronics/capasitors – Low lifetime cost
- All drives full load tested from factory – High reliability
- Earth fault, temperature and short circuit protection – Lean
operation
- Circuit boards well protected and coated – Increased robustness
Small drive – high performance
Despite the compact size and the easy commissioning, VLT® Micro Drive can
be set up to perform perfectly even in complex application set-ups.
Approximately 100 parameters can be set to optimize energy efficiency and
operation.
- Process PI-controller – No need for external controller
- Automatic Energy Optimizer (AEO) – Less energy consumption
- Automatic Motor Adaptation (AMA) – Exploit motor’s full potential
- 150% motor torque up to 1 minute – Replace need for bigger drive
- Flying start (catch a spinning motor) – Lean operation – more
up-time
- Electronic Thermal relay (ETR) – Replace external motor protection
- Smart Logic Controller – Often makes PLC ommissible
- Built-in RFI filter – Save cost and space
Ensured Reliability and Maximum Up / Time
Real space saving side-by-side
A compact book style design allows real side by side mounting
without derating.
Minimum penetration of dust
VLT® MICRO Drive is designed to keep the forced ventilation away from the
electronics. Printed circuit boards are well protected inside the drive.
Built-in
RFI
Radio disturbance from motor cables is limited with the built-in
RFI filter allowing for 15 m motor cables (screened). Meets EU norms.
Built-in brake functions
With built in DC and AC brake functions, VLT® Micro Drive can
transform kinetic energy in the application into braking power to slow down
the motor. A brake chopper is built-in the drives from 1.5 kW upwards.
Coated electronics are standard
All VLT® Micro Drive comes with coated electronics for longer lifetime and
reliability.
Energy efficiency 98%
High quality VLT® power modules ensure cool running of the drive due to low
losses.
Intelligent heat management
Process heat is removed through the heat sink, leaving electronics
protected from dust and dirt from production.
Effective heat sink
An effective heat sink easily removes heat from the electronics, extending
lifetime and reliability of the drive.
50˚ ambient temperature
Highly efficient cooling allows up to 50˚ ambient temperature.
Hot pluggable display – with or without potentiometer
- LCP without potentiometer IP 54

- LCP with potentiometer IP 21
- Remote mounting kit
- LCP copy function
- Parameter numbers and values
visible simultaneously
- Unit indications (A., V, Hz, RPM,
%, s, HP and kW)
- Rotation direction indication
- Setup indication – 2 setup
- Removable during operation
- Up- and download functionality
Large figures, easy to read
- Display readable from distance
- Operation buttons are
illuminated when active.
Quick Menus
- A Danfoss defined Quick Menu
- Basic settings
- PI controller
Menu structure
- Based on the well-known matrix
from the VLT® family
- Easy shortcut for the
experienced user
- Edit and operate in different
set-ups simultaneously
Built-in Smart Logic Controller
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” and “or” forms logic expressions that are
false or true.
That is why Danfoss calls it a “logic” controller. As a result of this,
you can program the controller to react on literally any event.
For more specifications, please download the Acrobat
Danfoss Micro Drive
Specification Sheet

Ready to buy? We now sell the
VLT Micro Drives on-line.
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