Function Basic Exten‐
ded
Electric drive Brief description
With
en‐
coder
With‐
out en‐
coder
SBT (diagnostic function)
Safe Brake Test
- x x - Safe Brake Test
3)
SCA
Safe Cam
- x x - Safe Cam
1
)
Safety operation without encoder is only supported for spindles equipped with induction motors.
2)
Only for the function setting "Safety without encoder with accel_monitoring".
3)
SBT is a pure diagnostic function - but for organizational reasons is included in the list of Safety Integrated Extended
Functions.
2.8.10.3 Induction motors and synchronous motors
Approved encoders
Motors with sin/cos encoder and encoder evaluation with DRIVE-CLiQ interface or via Sensor
Module SMC20, SME20/25/120/125.
A list of approved encoders is provided in Siemens Industry Online Support under Entry ID
33512621 (https://support.industry.siemens.com/cs/document/33512621?dti=0&dl=en).
Fundamentals
2.8 Device configuration
Safety Integrated (with SINAMICS S120)
50 Commissioning Manual, 02/2020, A5E46305916B AB
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