Safety functions integrated in the drive
5.1 Basic safety information
F-TM ServoDrive
Equipment Manual, 02/2020, A5E47579503-AA
39
5.1.6 Supported safety functions
The supported safety functions are included in the standard scope of the F-TM ServoDrive
and can be used without an additional license.
Stop functions
The stop functions do not pose any special requirements on the utilized encoder and do not
need actual value acquisition. The stop functions include the following Safety Integrated
functions:
● Safe Torque Off (STO)
Safe Torque Off is a safety function for prevention of unexpected startup according to
EN 60204-1. STO prevents torque-producing energy from being supplied to the motor
and corresponds to Stop Category 0.
5.1.7 Examples of using the safety functions
Table 5- 1 Examples of using the safety functions
Safe Torque Off (STO) It is only permissible to open a protective door if
the motor torque has been switched off.
Activate STO in the F-TM ServoDrive via the
STO inputs. The pulses are suppressed and
the motor coasts to a standstill.
A central Emergency Stop button ensures that
multiple drives cannot start unintentionally.
Evaluate the emergency stop button in a cen-
tral controller. Use a two-channel interface on
the STO inputs of the F-TM ServoDrive.
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