Siemens SINAMICS S150 - Page 38

General information about SINAMICS Safety Integrated
2.4 Controlling the Safety Integrated functions
Safety Integrated
38 Function Manual, 05/2010, A5E03264275A
NOTICE
PROFIsafe or TM54F
Using a Control Unit, control is possible either via PROFIsafe or TM54F. Mixed operation is
not permissible.
When asynchronous motors or synchronous motors without encoders are used, not all
Safety Integrated Extended Functions can be used.
When operating without encoders, the actual speed values are calculated from the
measured electrical actual values. As a consequence, speed monitoring down to n = 0 rpm
is also possible for operation without an encoder.
Table 2- 1 Overview of Safety Integrated functions
Functions Abbreviation With
encoder
Without
encode
r
Short description
Safe Torque Off STO Yes Yes Safe Torque Off
Safe Stop 1 SS1 Yes Yes Safe stopping according to
stop category 1
Basic
Functions
Safe Brake
Control
SBC Yes Yes Safe Brake Control
Safe Torque Off STO Yes Yes
1)
Safe Torque Off
Safe Stop 1 SS1 Yes Yes
1)
Safe stop according to stop
category 1
Safe Stop 2 SS2 Yes No Safe stop according to stop
category 2
Safe Operating
Stop
SOS Yes No Safe monitoring of the
standstill position
Safely Limited
Speed
SLS Yes Yes
1)
Safe monitoring of the
maximum speed
Safe Speed
Monitor
SSM Yes No Safe monitoring of the
minimum speed
Safe Acceleration
Monitor
SBR Yes No Safe monitoring of the drive
acceleration
Extended
Functions
Safe Brake Ramp SBR No Yes
1)
Safe Brake Ramp
1)
The use of the safety function without an encoder is possible only for asynchronous motors.
The Safety Integrated functions are selected and activated and the monitoring with or without
encoder is selected in the Safety screen forms of the STARTER or SCOUT tools.