Siemens SIMOTICS S-1FL6 User Manual

Connecting
4.4 24 V power supply/STO
SINAMICS V90, SIMOTICS S-1FL6
162 Operating Instructions, 04/2019, A5E36037884-007
4.4
24 V power supply/STO
Pin assignment
Interface
Signal name
Description
Remarks
STO 1
Safe torque off channel 1
-
STO + Power supply for safe torque off -
STO 2
Safe torque off channel 2
-
+24 V Power supply, 24 V DC Voltage tolerance:
• Without brake: -15% to +20%
• With brake: -10% to +10%
Maximum current consumption:
• Without brake: 1.6 A
• With brake: 1.6 A + motor holding brake
rated current (See Section "Technical
data - servo motors (Page 68)")
M Power supply, 0 V DC
Maximum conductor cross-section: 1.5 mm
2
Wiring
WARNING
Material damages and personal injuries by the drop of a hanging axis
When the servo system is used as a hanging axis, the axis will drop if the positive and
negative poles of the 24 V power supply are connected inversely. Unexpected drop of the
hanging axis can cause material damages and personal injuries.
• Make sure that the 24 V power supply is correctly connected.
WARNING
Material damages and personal injuries by the drop of a hanging axis
Unexpected drop of the hanging axis can cause material damages and personal injuries.
• It is not allowed to use the STO with a hanging axis because the axis may drop.
Note
Using the STO function
The STO1, STO+ and STO2 are short connected at the factory setting.
When the STO function is to be used, you must remove the short
-circuit stick before
connectin
g the STO interfaces. The safety function of the servo drive is SIL 2 (EN61800-5-
2). If you do not need to use it any more, you must reinsert the short
-circuit stick; otherwise,
the motor will not run.
For detailed information about the STO function, refer
to "Safety Integrated basic functions
(Page
309)".

Siemens SIMOTICS S-1FL6 Specifications

General

Brand	Siemens
Model	SIMOTICS S-1FL6
Category	Servo Drives
Language	English