In operation without encoder, the actual velocity values are calculated from the measured
electrical actual values. Therefore, velocity monitoring is also possible during operation without
encoder.
Table 7-17
Overview of the Safety Integrated Functions
Functions
Abbrevia‐
tion
With en‐
coder
Without
encoder
Brief description
Basic Functions Safe Torque
Off
STO
Yes
Yes
Safe torque off
Safe Stop 1
SS1
1)
Yes
Yes
Safe stop according to stop category 1
Safe Brake
Control
SBC
2)
Yes
Yes
Safe brake control
Extended Func‐
tions
Safe Torque
Off
STO
Yes
Yes
4)
Safe torque off
Safe Stop 1
SS1
1)
Yes
Yes
4)
Safe stop according to stop category 1
Safe Brake
Control
SBC
Yes
Yes
4)
Safe brake control
Safe Operat‐
ing Stop
SOS
Yes
No
Safe monitoring of the standstill position
Safe Stop 2
SS2
Yes
No
Safe stop according to stop category 2
Safely-Limited
Speed
SLS
Yes
Yes
5)6)
Safe monitoring of the maximum velocity
Safe Speed
Monitor
SSM
Yes
Yes
5)4)
Safe monitoring of the minimum velocity
Safe Direction
SDI
Yes
Yes
5)4)
Safe monitoring of the direction of motion
Sicheres Ref‐
erenzieren
SR
Yes
No
Safe homing
Safe Accelera‐
tion Monitor
SAM
Yes
Yes
4)
Safe monitoring of the drive acceleration
Safe Brake
Ramp
SBR
Yes
Yes
4)
Safe braking ramp
Safe gear
change
–
Yes
No
–
Safely-Limited
Acceleration
SLA
3)
Yes
No
Safely-limited acceleration
Safe Brake
Test
SBT
Yes
5)
No
Safe test of the required holding torque of a brake
Commissioning (software)
7.20 Configuring Safety Integrated functions
SIMOTION D4x5-2
Commissioning and Hardware Installation Manual, 03/2018, A5E33441636B
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