Editing Safe torque off

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[[File:sto.jpg|thumb|Motor velocity decaying to zero after STO has been activated.]]
 
[[File:sto.jpg|thumb|Motor velocity decaying to zero after STO has been activated.]]
Safe torque off a.k.a. STO is a motor drive function that disables drive's ability to produce torque with motor and also prevents unintentional motor start-up. STO is built with [https://en.wikipedia.org/wiki/Redundancy_(engineering) redundancy] a way that guarantees the removal of torque even in the case of single failure of any component of the system.
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Safe torque off a.k.a. STO is a motor drive function that disables drive's ability to produce torque with motor and also prevents unintentional motor start-up. STO is built with [https://en.wikipedia.org/wiki/Redundancy_(engineering) redundancy] a way that guarantees the torque removal torque even in the case of single failure of any component of the system.
 
==Usefulness==
 
==Usefulness==
 
Built-in STO in drive provides following
 
Built-in STO in drive provides following
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==STO in IONI servo/stepper drive==
 
==STO in IONI servo/stepper drive==
 
[[IONI Servo & Stepper Drive]] has one dedicated digital input for STO. When STO2 line is logic low, drive's power stage control is de-energized making it unable to drive any current or voltage to motor coils. In addition to this, drive firmware reads STO2 status and disables motor control signals.
 
[[IONI Servo & Stepper Drive]] has one dedicated digital input for STO. When STO2 line is logic low, drive's power stage control is de-energized making it unable to drive any current or voltage to motor coils. In addition to this, drive firmware reads STO2 status and disables motor control signals.
 
[[Category:Technology]]
 
[[Category:Glossary]]
 
[[Category:Argon features]]
 
[[category:IONI features]]
 

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