VLT® Micro Drive FC 51


Product Range 
1 x 200–240 V AC 0.18–2.2 kW
3 x 200–240 V AC 0.25–3.7 kW
3 x 380–480 V AC 0.37–22.0 kW 
VLT® Micro Drive FC 51
The VLT® Micro Drive is a general purpose drive that can control AC motors up to 22.0 kW. It is a small drive with maximum strength and reliability. RoHS compliant The VLT® Micro Drive is manufactured with respect for the environment, and it complies with the RoHS Directive. The perfect match for: - Industrial appliances - HVAC applications - OEM 
Features and benefits

 -   Coated PCB standard 
 For harsh environments. 

-   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 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. 

-  Automatic Motor Tuning (AMT)
Exploit motor’s full potential

-  Smart Logic Controller
The smart logic controller is a simple and yet very clever way to have your drive, motor and application working together.

-  Display options
Numerical Local Control Panel;
-Without potentiometer(LCP 11)
-With potentiometer(LCP 12)
LCP Remote mounting kit with 3m cable.

-  Accessories
Set-up software
The VLT® Motion Control Tool MCT 10
Setup Software exploits the full
functionality of your PC, providing a general overview and control of even large systems.

Mains supply (L1, L2, L3):
Supply voltage

1 x 200–240 V ±10%,
3 x 200–240 V ±10%
3 x 380–480 V ±10%

Output data (U, V, W):
Output voltage.
0–100% of supply voltage

Output frequency
0–200 Hz (VVC+ mode),
0–400 Hz (U/f mode)

Switching on output

Ramp times
0.05–3600 sec 

Digital inputs  5
Programmable inputs  5
Logic   PNP or NPN
Voltage level    0–24 V 

Pulse inputs  1
Programmable inputs1*
Voltage level
0–24 V DC (PNP positive logic)
Pulse input frequency
20–5000 Hz
* One of the digital inputs can be used for pulse inputs. 

Analog input  2
Voltage or current

Voltage level
0 – 10 V (scaleable)

Current level
0/4–20 mA (scaleable)

Analog output  1
Programmable analog outputs1
Current range at analog output
0/4–20 mA 

Relay outputs  1
Programmable relay outputs  1
 (240 VAC, 2 A)
CE, C-tick, UL 

Cable lengths
Max. motor cable length,
screened (shielded)
 15 m
Max. motor cable length,
unscreened (unshielded)
50 m

Fieldbus communication
FC Protocol
Modbus RTU

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