An optional Safe Torque Off (STO) control card can be used with the F5
drive. The safety control card provides Safe Torque Off functionality in ac-
cordance to IEC 61800-5-2.
These inverter units with a safety control card can be identied by the KEB
part number and will have a “K” in the 5th placeholder (e.g. xx.F5.Kxx-xxxx)
The KEB STO card meets performance levels (ISO13849-1) and
SIL 3 (IEC 61508 and IEC62061).
For more information on the control card, see the KEB document
(00F5NES-K000).
3.2 Control Circuit
- STO
Control Connections (Safety)
44
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