Supported Functions: Hla Module - Siemens SINUMERIK 840D sl Function Manual

The following Safety Integrated Functions are available (SI functions):
● Safety Integrated Basic Functions
These functions are part of the standard scope of the drive and can be used without any
additional license:
– Safe Torque Off (STO)
– STO is a safety function that prevents the drive from starting unexpectedly, in
– Safe Brake Control (SBC)
5.1.3

Supported functions: HLA module

SINAMICS HLA and Safety Integrated
SINAMICS HLA supports the following Safety Integrated Functions of the CU320-2:
● Basic Functions
These functions are part of the standard scope of the drive and can be used without
requiring an additional license. Are always available. These functions do not require an
encoder and/or do not place any special requirements on the encoder used.
● Safe Torque Off (STO)
Safe Torque Off is a safety function in accordance with EN 60204-1 that prevents the drive
from restarting unexpectedly. STO prevents the supply of power to the valve, which can
produce a force. It is equivalent to stop Category 0.
● Safe Stop 1 (SS1, time-controlled)
Safe Stop 1 is based on the "Safe Torque Off" function. This means that a Category 1 stop
in accordance with EN 60204-1 can be implemented.
The Safety Integrated Functions of SINAMICS HLA can be commissioned using the expert
list.
You can find a detailed description in
References: SINAMICS S120 Safety Integrated Function Manual (FSH)
Safety Integrated
Function Manual, 12/2017, 6FC5397-4BP40-6BA1
accordance with EN 60204-1, Section 5.4.
Safe Stop 1 (SS1, time-controlled)
The SS1 function is based on the "Safe Torque Off" function. This means that a Category
1 stop in accordance with EN 60204-1 can be implemented.
The SBC function permits the safe control of a holding brake. SBC is supported by
Power/Motor Modules in a chassis format only with Order No. ...3 or higher Blocksize
Power Modules also require a Safe Brake Relay for this function.
Safety Functions integrated in the drive
5.1 General information about SINAMICS Safety Integrated
53