All 514

The range of 514C Series regenerative converters, with single phase AC supply,
offers full four-quadrant control of wound field or permanent magnet DC motors.
It is ideal for applications requiring accurate braking of high-inertia loads or their
fast and precise deceleration. 514C Series and its non-regenerative version 512C
have been designed to offer the ideal solution for speed control of single and multimotor applications.

Link to 514C DC Manual

Features of the 514C drives are as follows:

Jumper-selectable single phase input voltage 110//120 or 220//240 or 380/415V ±10%
Linear current feedback allowing accurate torque
Zero speed or zero set point relay driver output – 24Vdc
Total setpoint output
Stall detection and trip
Field bridge suitable for UK or continental voltages
Overload capacity 150% of nominal current for 60s
Adjustable maximum current level
Adjustable maximum and minimum speed

Adjustable I.R. compensation (for armature voltage feedback speed control)
Adjustable speed stability
Independent control of speed ramp, both up and down from 0-40s
Indication of mains supply on, stall trip and overcurrent trip
Switch selectable current calibration
Switch selectable Armature/Tacho generator feedback
Buffered 0-10V output for a speed reference or meter
Buffered 0-7.5V output for a current meter (7.5V = 150%)

Recent Posts

Sustainable and Eco-Friendly Drive Technology from Optima

The innovative sinamics G220 variable frequency drive from Siemens not only helps reduce harmonics (Gary Wilcock) but is also a more sustainable drive choice. Let us explain.

The animation below shows the draft panel layouts for 8 drives using the G120 drives along with the required input and output reactors due to the long cable lengths involved for this installation. 

Shown on the right of the animation is the draft layout using the new G220 drives.

The new G220 drives, allow us to accommodate double the number of drives in one cabinet as no chokes are required.

SINAMICS G220 – the variable frequency drive for all industries

It has helped Optima Control Solutions Ltd make this a more sustainable design. 

Not only have we have reduced CO2 emissions in transit as the cabinet is lighter, we have also reduced the amount of minerals required to build by avoiding additional copper in the line chokes and steel in the chokes and cabinets.

The fusing for the other 8 drives has been moved to an adjacent cabinet where there are other drive sizes located. The control panel build is now underway. 

A big thanks to Ben Poole, too for his timely demonstration of these excellent drives. Sustainability CleanTech

 

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