ABB ACS880 Safe Torque Off

In this informative article, ABB Area Sales Manager, Stuart Ruskin talks us through the innovative ABB ACS880 Safe Torque Off feature. What is Safe Torque Off (STO)? Inverter drives control motor applications that sometimes need to be stopped in an emergency. Safety should always be a priority concern when designing a machine. To achieve the safety regulations this often meant adding in a suitably rated contactor or sometimes 2 contactors upstream of the drive so…