Siemens SIMATIC ET 200SP F-TM

Safety functions integrated in the drive
5.2 Acceptance of the safety functions
F-TM ServoDrive
46 Equipment Manual, 02/2020, A5E47579503-AA
Utilized Safety Integrated functions
In the following table, describe the use of the Safety Integrated drive functions in relation to
your plant or machine.
Table 5- 4 Utilized SI functions of the drive
SI function
Status/Description
Safe Torque Off (STO)
5.2.4 Acceptance test for Safe Torque Off (STO)
Procedure
Test each configured activation of the STO function.
This test consists of the following steps:
Table 5- 5 Acceptance test for "Safe Torque Off" (STO) function
No.
Description
Status
1.
Drive is ready for operation
• No faults
• The enable signal is present (STO is deselected).
2.
Switch on motor
2.1
Set speed setpoint ≠ 0
2.2
Switch on motor (ON command)
2.3
Check that the intended motor is rotating
3.
Select STO
3.1 Selecting STO means interrupting the wire, supplying the STO from STO+ and short-
circuiting STO- (if the source is current-limited)
3.2
Check the following points:
• Motor coasts down to a standstill
Message is implemented, but is not safety-relevant
4.
Deselect STO
4.1
Deselection of STO (HW STO terminal)
4.2
Check the following points:
• Enable is active, motor must allow switch-on