ALTER Warranty


Reliability guaranteed 30 months Maximize the working time of industrial machines avoiding downtime is a priority for Alter Elettronica and for our customers who installing our products by improving their productivity over time. The reliability of the products made by Alter Elettronica is well known and the warranty period of two years and half is […]

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Why choose Alter Elettronica?

Because we give you the following services: Direct contact with those who designed and built the product. The ability to modify the product according to your requests. Repair in one working day of our current and obsolete products. Advice to optimize your application. The 30-month product warranty. A simple example To better clarify the concept […]

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D SERIES servo drive

Digital servo drives for d.c. motors

In this article I present the family of digital servo drives for d.c. motors with SCR bridge called “D SERIES“. Why is it called with this name? Our loyal customers will surely have used our 12IRC, 12SPC, 6AXC and 6IC drives at least once: they were born in the ’80s and were grouped in the […]

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Fanuc Pulsecoder

Conversion of a Fanuc Pulsecoder into a TTL encoder

How can we drive an electric motor equipped with a Fanuc Pulsecoder? Let’s go back in time For decades the d.c. tacho-generator was used as a speed transducer for electric motors; all the control equipment had an input for this type of transducer and there were no compatibility problems. Then the resolvers and TTL encoders […]

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Braking resistors

How to choose the accessories for your Servo Drive

Having the right accessories to complete your servo drive is essential for its correct operation and to comply with regulations such as the Electromagnetic Compatibility standards. In this post we will talk about: Inductors (three-phase chokes, smoothing inductors) Resistors for motor braking energy dissipation Power-supply units capable to recover motor braking energy to mains EMC […]

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Family 3

How to choose a Servo Drive for your retrofit

After having examined, in the previous post, how to figure out what servomotor we are using, what kind of data we need and where to find them, we are now looking at how to use that information to choose the right servo drive. The essential parameters needed to choose a new servo drive are: Type […]

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Targa Motore

What servo motor do I have? The perfect retrofit starts here

When a customer asks us what drive he should choose to replace a damaged one, the first question we ask is always the same: what kind of motor does the converter control? The motor data needed are: Type (e.g. DC, brushless, induction) Electrical specifications (e.g. armature current, supply voltage) Type of speed transducer mounted (e.g. […]

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