NEW ESV VIDEO

Several years after the first introduction of the electronic speed variator "ESV", S.T.M. SpA has turned it up in a real motorinverter, very easy to interface.

The control algorithm is a high speed precision sensorless vector, with brilliant torque performances, which assure the best starting efficiency. It is also available a true closedloop vector drive that supports encoder feedback.

The high reliability has been our first goal:

• Absence of electrolytic capacitor
• Designed to last 40000 hours
• Wide voltage range alimentation 3F-230V, 3F-480 V, 3F-480V to 50-60HZ
• Long lasting power ondulation
• Environment temperature from -25°C up to +50°C

S.T.M. SpA has also assured high quality electric standars:

• CE and UL certification
• ATEX Z22 certification
• EMC certification, EN61800-3 rule, class 2
• Low voltage loss filter 3,5mA, which is compatible with B differential
• PLC BUS: PROFIBUS, CAN-OPEN, ETHERCAT, MODBUS (RS-485)

Our "ESV" has an easy interface with PLC control systems or with microprocessor controls:

• 5 DIGITAL INPUTS
• 4 DIGITAL OUTPUTS (2 RELE OUTPUTS)
• 2 ANALOGIC INPUTS
• 1 ANALOGIC OUTPUT 0-10VOLTS or 0-20mA

In addition it is possible to configure our "ESV" very easily:

• Potentiometer on board
• 0-10V or 0-20mA signal
• MMI external keyboard
• Field bus serial line
• PC with monitor software and programming (oscilloscope and data logger)
• Maximum frequency regulation 400HZ